28 july 2020

Spent some time looking at the moon with the 6-inch last night with binoviewers.  Seeing was pretty good and I could comfortably view at 365x.  I'm planning to adjust my eyepiece collection to fit with binoviewers using this scope--the viewing is so comfortable and contrasty, surely due to the small exit pupils, that I want a good range to view.
 
After dark, 10pm, I viewed with the 20-inch and seeing was good enough to use full aperture, but not so good as to get me over 533x.  Good pairs, in Lyra.  Many Espin pairs, he was very busy in this part of the sky.  Most of the fields were rich in stars.  Many of these are on the faint side for the typical observer, and I suspect not a lot of measures or research has been done because they are uncertain pairs.

ES 1424 AB: 508; 205x: A is a light orange & bright, B seen easily as a dull pin point, wide ~5", large delta mag.
18H 44M 57.58S +44° 21' 32.5" P.A. 90 SEP 7.9 MAG 8.36,13.00 SP F5 DIST. 128.7 PC (419.82 L.Y.)

ROE 50 AB: 508; 205x: A is a light blue and B is much fainter orange color, wide ~5"
18H 45M 19.87S +40° 04' 58.4" P.A. 282 SEP 4.7 MAG 10.80,11.70

STF 2394 AB: 508l 205x: Easy white near equal wide.  Physical.
18H 45M 28.48S +42° 02' 07.4" P.A. 203 SEP 6.9 MAG 9.61,9.96

BU 51 BC: 508; 205x: A is light orange & bright, BC is and obvious blue pair ~1 delta mag between B and C, wide ~3-4".  Nice!  Burnham: "Unimportant triple a short distance from Epsilon Lyrae, noted with 6-inch."
18H 45M 39.17S +39° 40' 45.9" P.A. 297 SEP 6 MAG 11.95,12.90

TDT1049 AB: 508; 333x: Faint pair split with seeing at 205x, more definite with 333x.  Slight mag difference.
18H 46M 29.75S +44° 16' 01.8" SEP 1.3 MAG 11.17,11.47

COU 1153 AB: 508; 533x: Snowman at best moments, slight mag difference.  Seems more difficult than a typical 0.4"
18H 46M 34.77S +34° 14' 58.0" P.A. 118 SEP 0.4 MAG 10.40,10.70

ES 2023 AB: 508; 205x: Bright white A, B is seen with averted vision and then can hold direct, ~7"
18H 48M 24.10S +36° 11' 41.8" P.A. 246 SEP 6.4 MAG 8.73,12.00 SP K0

COU 1311 AB: 508; 333x: Very faint, B needed foveal coaxing to come out then I could hold it, very tough.  Suspected at 205x.
18H 52M 18.70S +37° 13' 21.1" P.A. 223 SEP 1.3 MAG 11.69,12.40

TDT1116 AB: 508; 333x: Notched elongation only.  Seeing not supporting more.
18H 53M 38.40S +40° 28' 13.1" P.A. 330 SEP 0.6 MAG 11.10,11.28

ES 2028 BC: 508; 205x: Delta 2 Lyr.  ! Very cool.   A is bright light orange, and BC are blue pinpoints, ~2" with a slight mag difference.  Clearly and cleanly seen.
18H 54M 28.99S +36° 55' 20.1" P.A. 135 SEP 2.1 MAG 11.20,11.60 SP G2IV

HO 270 AB: 508; 205x: ! Bright yellow A and very faint B seen with averted vision then held direct, with another faint star one ninety degrees different PA and three times farter out (this is AC).  There is a streak of grainy stars across the field, very rich.
18H 54M 52.18S +41° 36' 09.8" P.A. 300 SEP 8.4 MAG 5.44,12.60 SP K0III DIST. 81.97 PC (267.39 L.Y.)

COU 1932 AB: 508; 333x: Suspect at 205x, nice clean split with 333x. white stars, slight mag difference
18H 54M 51.24S +44° 36' 56.2" P.A. 295 SEP 0.9 MAG 10.28,10.38 SP G0

ES 1657 AB: 508; 205x: White A and light red B, ~1 delta mag, wide ~4"
18H 55M 22.99S +40° 52' 12.0" P.A. 355 SEP 3.9 MAG 10.40,11.00

STF 3130 AB-C: 508; 205x: Very nice bright white A and slightly red B well split from A, three delta mag.  Did not notice the 0.4" AB pair STT 365
18H 55M 57.14S +44° 13' 41.9" P.A. 258 SEP 2.7 MAG 6.97,10.52 SP A2 DIST. 186.57 PC (608.59 L.Y.)

A 587 BC: 508; 205x: Excellent 2+1 pair, bright A, BC wide and 1 delta mag, well split ~2"
18H 57M 55.98S +44° 07' 00.0" P.A. 188 SEP 1.8 MAG 10.61,11.54 SP F8

AG 366 AB: 508; 205x: Near equal yellow-white easy split
18H 58M 03.46S +47° 11' 30.1" P.A. 185 SEP 1.4 MAG 8.54,8.67 SP G0 DIST. 49.55 PC (161.63 L.Y.)

COU1797 AB: 508; 205x: Easy close split, ~1 delta.  Nice
18H 58M 28.31S +42° 14' 34.1" P.A. 180 SEP 1.2 MAG 10.14,11.83

TDT1161 AB: 508; 205x: In same field as COU 1797 and with a similar PA. Faint, near equal, easy split
18H 58M 52.26S +42° 18' 25.4" P.A. 1 SEP 1.5 MAG 11.43,11.56

COU 1798 AB: 508; 333x: Hairline split at best moments, noticeable mag difference.
18H 59M 59.58S +41° 00' 54.0" P.A. 349 SEP 0.6 MAG 11.50,11.80

ES 1326 AB: 508; 205x: Nicely split pair, noticeable mag difference ~1", white
19H 00M 21.32S +44° 59' 51.8" P.A. 228 SEP 2.4 MAG 9.30,10.40 SP G0

ES 1429 AB 508; 205x: Easy wide ~2 delta mag light yellow pair
19H 00M 29.30S +43° 13' 14.1" P.A. 12 SEP 6.1 MAG 9.70,11.10 SP M2

ES 1430 AB: 508; 205x: Delicate pair, good with seeing, >0.5 delta mag. 
19H 02M 23.15S +42° 30' 26.4" P.A. 109 SEP 1.6 MAG 10.68,11.65

A 589 AB: 508: 533x: ! Exceedingly fine pair, split with seeing, ~1 delta mag, white A and blue B.  In the same field with ES 1430.
19H 03M 01.81S +42° 32' 45.8" P.A. 6 SEP 0.7 MAG 9.52,10.10 SP A2

DA 9 AB: 508; 205x: Used apodising mask to clean up A's disk image.  B appears as a light blue disk nicely separated, diamond ring to white A.  Nice
19H 04M 15.72S +43° 52' 49.5" P.A. 172 SEP 2 MAG 7.05,10.22 SP A0V DIST. 233.64 PC (762.13 L.Y.)

STF 2463 AB: 508; 205x: Light orange-yellow A and light blue B, wide, ~1 delta.  Not physical
19H 06M 01.16S +45° 48' 50.5" SEP 9.7 MAG 9.07,10.80 SP G5

A 704 AB: 508; 205x: Very fine split, white near equal, ~1"
19H 07M 53.09S +46° 52' 06.0" P.A. 280 SEP 1.1 MAG 10.35,10.48 SP A0

TDT1246 AB: 508; 333x: Same field as A 704.  Very fine B seen and split with seeing as a fine point, ~1 delta mag
19H 08M 30.59S +47° 27' 36.4" P.A. 97 SEP 0.7 MAG 11.15,11.61

COU 2279 AB: 508; 333x: Nice firm split with seeing, white near equal. 
19H 10M 01.22S +42° 24' 37.8" P.A. 125 SEP 0.7 MAG 10.34,10.58 SP F5

WFC 218 AB: 508; 205x: Nice near equal white
19H 12M 29.46S +44° 47' 18.2" P.A. 352 SEP 9.5 MAG 9.85,10.16 SP A5

BRT1923 AB: 508; 205x: Near equal white, ~4".  Not physical
19H 15M 21.46S +43° 21' 31.8" P.A. 187 SEP 3.8 MAG 10.20,10.30 SP A2

ES 1562 AB: 508; 205x: Easy wide ~6", ~1 delta

19H 19M 16.98S +42° 17' 02.3" P.A. 325 SEP 6.2 MAG 9.39,9.80 SP G

27 july 2020

Had an ok night last night.  I pointed away from the quarter moon to the north, in Draco, but the seeing was not very good -- probably roof currents -- so while I started at 20-inch I masked down to 8-inch.  A couple nice finds.  I started at 10:00pm and was shut down early due to marine fog at 11:30pm

STF 2128 AB: 508; 205x: Wide stars, light orange, ~2 delta mag.  1200 year period

17H 03M 18.66S +59° 35' 07.3" P.A. 45.4 SEP 12.13 MAG 8.76,10.34 SP K4V DIST. 24.04 PC (78.42 L.Y.)

STF 2155 AB: 203; 205x: Light yellow and blue, wide, ~3 delta mag 

17H 16M 04.88S +60° 42' 49.7" P.A. 113 SEP 10 MAG 6.93,9.97 SP F3III DIST. 182.48 PC (595.25 L.Y.)

BU 1249 AB: 508; 333x: Hairline split, very fine, nearly the same PA as the AB-C very wide pair.  Discovered with 12-inch at Lick at 0.44"

17H 22M 02.41S +53° 51' 01.9" P.A. 82 SEP 0.6 MAG 10.08,9.90 SP G0

HU 672 AB: 203; 205x: GQ Dra B comes forth with foveal coaxing and I can hold it steady direct, a pin point ~4" from bluish A.  A is an eclipsing binary variable 8.98-9.42 with a mere 18.38 hour period! 

17H 25M 29.43S +51° 29' 35.0" P.A. 59 SEP 4.2 MAG 9.16,10.97 SP A3 DIST. 512.82 PC (1672.82 L.Y.)

ES 2659 AB: 203; 205x: B seen with foveal coaxing.  A is light orange, B is wide and blue due to faintness. Not physical

17H 31M 52.17S +56° 55' 07.9" P.A. 215 SEP 11.8 MAG 8.63,11.15 SP K0 DIST. 409.84 PC (1336.9 L.Y.) 

STF 2225 CD: 203; 205x: Wide near equal.  Did not notice AB 11.9th mag pair

17H 44M 47.57S +51° 55' 17.2" P.A. 296 SEP 8.7 MAG 10.20,10.56 SP G5+K8

ROE 17 AB: 203; 205x: Slight mag difference, wide, white.  Physical pair 

17H 51M 22.27S +59° 38' 24.6" P.A. 54 SEP 9 MAG 9.71,10.43 SP F5

STF 2261 AB: 203; 205x: White A and slightly ruddy B, wide.  Physical

17H 58M 05.37S +52° 13' 06.0" P.A. 261 SEP 9.6 MAG 7.56,10.02 SP A2 DIST. 113.64 PC (370.69 L.Y.)

HO 563 AB: 203; 333x: Snowman is best I can get, equal mag. 

17H 59M 49.98S +53° 03' 50.4" P.A. 184 SEP 0.7 MAG 10.17,10.46

A 1886 AB: 203; 205x: ~1 delta mag, wide, ~5"

17H 59M 58.93S +53° 16' 16.3" P.A. 341 SEP 4.8 MAG 9.40,10.50 SP G0

STF 2271 AB: 203; 205x: Dull white A and pale yellow B, ~1.5 delta mag, wide ~4"

18H 00M 18.74S +52° 51' 15.4" P.A. 268 SEP 3.4 MAG 8.17,9.24 SP G0 DIST. 60.42 PC (197.09 L.Y.)

ES 640 AB: 203; 205x: ~1 delta mag, wide ~4". 

18H 00M 42.85S +54° 52' 38.1" P.A. 77 SEP 8.4 MAG 9.51,10.10 SP F2

STF 2278 AB: 203; 205x: Pretty white-blue stars, in a 2+1 set.  Not physical

18H 02M 52.88S +56° 25' 40.3" P.A. 30 SEP 35.9 MAG 7.78,8.14 SP A9V DIST. 137.74 PC (449.31 L.Y.)

STF 2279 AB: 203; 205x: Near equal, wide, white.  Physical 

18H 04M 33.72S +50° 52' 48.0" P.A. 180 SEP 13.3 MAG 9.86,10.27 SP F8

HU 926 AB: 203; 205x: Nice equal mag, wide ~4", white.  Not physical 

18H 09M 31.81S +64° 14' 02.9" P.A. 265 SEP 3.9 MAG 9.88,9.93 SP F0

BU 1274 BC: 508; 333x: Super challenging.  A-BC is bright white A and BC is blue widely separated.  Near to BC is BD, which is near equal to BC and ~6".  BC is faint and split with seeing, hairline, significant mag difference.

18H 14M 31.41S +56° 34' 26.9" P.A. 144 SEP 1 MAG 9.80,10.60

STF 2305 AB: 508; 205x: Blue-white A and >1 delta mag ruddy B, wide 

18H 16M 13.17S +51° 19' 46.2" P.A. 334 SEP 5.1 MAG 9.16,10.81 SP G5

26 july 2020

Started out trying to get easy track to work on the 6-inch, but it wouldn't, so I give up.  I need a real equatorial mount.  The Berry mount is ok but it's a bit shaky after slew or focus adjustment, or if there's a breeze.  I need something better, that will track.  I did look at the moon through bino-viewers and am thrilled by the view.  However I did have a mishap when I was trying to adjust balance where the scope slid backwards out of the rings and hit the ground.  No damage done but it made me basically give up on the mount.

I switched over to the 20-inch and had a good night from 10:30pm to 12:30am.  Seeing was variable, 6/10 mostly but there was a streak of ~7/10 and I went after close pairs.  I stayed at 20-inch, with the apodising mask, throughout since I was a bit tired of the 8-inch mask. 

The 20-inch still kills the 6-inch and is the better scope.  But what the 6-inch is for -- solar, lunar, planetary -- it does very well.

STT 524 AB: 508; 533x: Suspected hairline with 333x, nice clean split at 533x, white stars, significant magnitude difference, ~0.5".  686 year period.
18H 07M 29.52S +19° 39' 59.1" P.A. 205.4 SEP 0.49 MAG 7.89,8.87 SP A3V DIST. 225.73 PC (736.33 L.Y.)


STF 2289 AB: 508; 333x: Nice pale yellow stars, ~1 delta mag, >1" separation.  3040 year period
18H 10M 08.69S +16° 28' 35.0" P.A. 215.3 SEP 1.24 MAG 6.65,7.21 SP A0V+G0III DIST. 263.85 PC (860.68 L.Y.)

GII 110 CD; 508; 533x: With seeing, very significant delta mag ~2 delta mag, white stars, very tight but split.  Suspected @ 333x.  [Discoverer is amateur Rene Gili, who observes with the large refractors at the Nice Observatory, this pair was discovered in 2016 via CCD-- the discovery measure is the only one in WDS so far]
18H 14M 37.03S +23° 35' 01.6" P.A. 301 SEP 0.9 MAG 9.40,11.90 SP A3

STT 346 AB: 508; 205x: Nice pale yellow-white stars, >1 delta mag, >4" separation
18H 15M 25.05S +19° 46' 13.4" P.A. 329 SEP 5.2 MAG 8.33,9.01 SP F2 DIST. 113.64 PC (370.69 L.Y.)

STF 2309 AB: 508; 205: Wide ~4", white stars, ~1 delta mag.  Not physical
18H 20M 06.84S +25° 31' 53.0" P.A. 352 SEP 3.6 MAG 9.31,9.95 SP A0 DIST. 180.51 PC (588.82 L.Y.)

STF 2310 AB: 508; 205x: Bright white A and faint dull wide B, ~3 delta mag, wide ~6"
18H 20M 38.67S +22° 47' 50.7" P.A. 235 SEP 5.1 MAG 6.83,9.98 SP B8III DIST. 302.11 PC (985.48 L.Y.)

STF 2312 AB: 508; 205x: Very fine white stars, >1 delta mag, ~1.5"
18H 21M 09.08S +28° 20' 03.5" P.A. 341 SEP 1.7 MAG 9.28,9.91 SP A0 DIST. 404.86 PC (1320.65 L.Y.)

COU 505 AB: 508; 333x: Very faint pair, ~1 delta mag, split firmly with seeing, ~1" separation
18H 21M 16.17S +24° 09' 06.1" P.A. 318 SEP 1.1 MAG 11.02,11.29 SP F8

HO 430 AB: 508; 205x: Blue-white A and dull white B, ~2 delta, wide ~2".  Nice looking pair [not physical]
18H 21M 37.31S +20° 30' 11.5" P.A. 194 SEP 2.5 MAG 9.62,10.73 SP A5

BU 641 AB: 508; 533x: V989 Her.  Seen as a snowman dot to bright white A @ 333x, split with 533x, inside first diffraction ring.  Need A's disk to be perfectly tight for B to resolve with seeing.  Very nice.  1" at discovery 1878 with Dearborn 18.5-inch
18H 21M 48.44S +21° 30' 27.9" P.A. 341 SEP 0.8 MAG 7.03,8.66 SP B9.5II DIST. 264.55 PC (862.96 L.Y.)

STF 2314 AB: 508; 205x: Fine pair, wide ~2.5", ~1 delta mag
18H 23M 25.75S +23° 27' 19.1" P.A. 331 SEP 2.7 MAG 9.02,10.31 SP G5 DIST. 76.45 PC (249.38 L.Y.)

STF 2315 AB: 508; 533x: Barely split with seeing, resolves to two disks, more than hairline but almost 2 delta mag, very tough, need perfect seeing.  2094 year period
18H 24M 58.46S +27° 23' 41.3" P.A. 115.3 SEP 0.6 MAG 6.57,7.77 SP A0V+A4V DIST. 117.51 PC (383.32 L.Y.)

AG 361 AB: 508; 205x : Near equal white stars, wide ~4", in a busy field [not physical]
18H 25M 07.89S +26° 54' 09.6" P.A. 13 SEP 3.8 MAG 10.65,10.97 SP G5

STF 2317 BC: 508; 533x: Very challenging.  AB is obvious, A a bright light orange, B is blue and faint -- with careful examination I do get a scintillating small balls separated ~1" and near equal -- averted vision brightens these to pinpoints but I can't hold that resolution direct.  Stelle Doppie says first measure of this pair is in 1901, so it's not a Struve discovery, likely Aitken or Hussey with the Lick 36-inch.
18H 25M 19.45S +26° 04' 45.9" P.A. 315 SEP 1.4 MAG 12.50,12.70 DIST. 269.54 PC (879.24 L.Y.)

STF 2319 AB: 508; 205x: Yellow-white near equal wide stars, in a plus one which is ~1 delta fainter wide perpendicular PA (this is the AC pair)

STT 359 AB: 508; 333x: Light yellow near equal split, very close.   219 year period.
18H 35M 30.40S +23° 36' 19.9" P.A. 3.7 SEP 0.75 MAG 6.35,6.62 SP G9III-IV DIST. 144.3 PC (470.71 L.Y.)

STF 2345 AB: 508; 205: V998 Her.  Wide one delta [The A star is variable is an eclipsing binary but the eclipsing component is apparently only detectable with speckle interferometry; the Struve pair is not physical]
18H 35M 31.17S +21° 04' 27.1" P.A. 226 SEP 12.3 MAG 9.08,10.48 SP G DIST. 121.36 PC (395.88 L.Y.)

STT 358 AB: 508; 205x: Yellow-white stars, half delta mag, well split.  380 year period
18H 35M 53.22S +16° 58' 32.5" P.A. 144.3 SEP 1.49 MAG 6.94,7.08 SP F8V DIST. 32.88 PC (107.25 L.Y.)

A 249 AB 508; 333x: Fine pair, equal white, nicely split ~1"
18H 36M 03.12S +24° 51' 49.3" P.A. 275 SEP 1.1 MAG 10.14,10.20 SP F5

STF 2360 AB: 508; 205x: White, ~2 delta mag, wide ~3"
18H 39M 19.16S +20° 55' 58.9" P.A. 358 SEP 2.4 MAG 7.97,9.16 SP B5IV DIST. 2500 PC (8155 L.Y.)

STF 2401 AB: 508; 205x: Attractive pale yellow and white stars, wide ~4", ~2 delta
18H 48M 57.83S +21° 10' 01.3" P.A. 38 SEP 4.1 MAG 7.27,9.27 SP B3V DIST. 2941.18 PC (9594.13 L.Y.)

STF 2415 AB: 508; 205x: ~2 delta, ~2", light yellow A
18H 54M 32.84S +20° 36' 55.1" P.A. 290 SEP 2 MAG 7.07,8.73 SP A0IV DIST. 194.93 PC (635.86 L.Y.)

COU 511 Aa-Ab: 508; 533x: ! Wow great pair.  A star rather bright with B very close-in, ~1 delta mag, the tiniest pin prick <1" separated from A. 
18H 55M 23.68S +23° 24' 00.1" P.A. 190 SEP 0.8 MAG 9.73,9.88 SP G0

HU 332 AB: 508; 533x: Beautiful close split, a little more than hairline, light orange stars near equal
18H 59M 03.72S +22° 30' 03.2" P.A. 259 SEP 0.4 MAG 9.72,9.61 SP G0

J 1280 AB: 508; 205x: Faint pair slight mag difference, wide ~3".  Not physical
19H 01M 00.47S +22° 05' 34.5" P.A. 108 SEP 3.9 MAG 11.70,12.00

A 2991 AB: 508; 333x: Suspect elongation with 205x.  B has a significant mag difference than A, maybe half delta, very closely separated <1"
19H 03M 23.53S +25° 11' 19.6" P.A. 82 SEP 0.7 MAG 10.44,10.82 SP F2

STF 2445 AB: 508; 205x: Lovely wide pair, ~2 delta mag, light yellow A and dull B
19H 04M 38.50S +23° 19' 45.5" P.A. 262 SEP 12.4 MAG 7.25,8.57 SP B2VE DIST. 476.19 PC (1553.33 L.Y.)

BU 359 AB: 508; 205x: In the same field as STF 2445, and is a smaller and flipped analog of it.  It's the opposite PA dimmer but with similar mag difference, just smaller scale.  Not physical. 
19H 05M 09.69S +23° 25' 57.0" P.A. 82 SEP 4.7 MAG 8.81,9.79 SP F2

STF 2455 AB: 508; 205x: Wide ~2 delta mag, light yellow-white A and dull B.  Not physical
19H 06M 53.00S +22° 10' 21.5" P.A. 28 SEP 9.6 MAG 7.42,9.44 SP F4IV DIST. 68.59 PC (223.74 L.Y.)

STF 2457 AB: 508; 205x: Wide two delta mag. 

19H 07M 08.02S +22° 35' 03.7" P.A. 201 SEP 10.2 MAG 7.46,9.52 SP A7IV DIST. 95.15 PC (310.38 L.Y.)

23 july 2020

Last night I tried to setup tracking on the 6-inch f/15 but it didn't work out.  A bit frustrating.  It could be the communication cable I'm using is incorrect.  I'll redo the next chance I have.  

On the bright side, I have used the 6-inch the last couple of days to look at a sunspot with the Herschel wedge, and I'm quite pleased.  Plenty of detail to look at, even some surface granulation, when seeing cooperates.  Will keep at it.

I switched over to the 20-inch last night at around 11pm and observed until 12:30am when fog looked like it would shut me down.  I went inside for a snack and some water, and when I came out and looked up I saw marine fog seeming to approach from the west over the yew trees -- so I decided I would pack up.  As it turned out, the fog held back as I packed up, so I could have observed longer -- but I was tired anyway.

Seeing was worse than expected, 5/10 to 6/10, so I started with 20-inch with the apodising mask, but then went down to the 8-inch mask.  Some good pairs observed.

AC 7 BC: 508; 533x: Mu Her. Nice one to star with.  STF 2220 A is a very bright light orange, and BC is widely separated blue, much fainter.  I suspected B was also a pair at 333x, and could get a nice clean split with seeing at 533x, so I could tell an orientation and make a sketch (43-year period).  Indeed it is a short period pair and I should be able to get at least a quarter turn out of it.

ES 469 BC: 508; 205x: Another BC pair, BC is widely separated from ninth mag A star.  C flashes with averted vision, and then I can just hold direct, ~3".  Mu Her is at the edge of the FOV. [not physical]

17H 46M 38.73S +27° 58' 55.7" P.A. 148 SEP 4.2 MAG 11.79,14.80 DIST. 367.65 PC (1199.27 L.Y.)

TDS 881 AB: 508; 333x: Not quite splitting with 205x, faint pair, very tight, tough but resolves clean with seeing at 333x.

17H 46M 59.59S +29° 14' 39.7" P.A. 243 SEP 1 MAG 10.06,11.19

COU 501 AB: 203; 205x: Nicely split, <2", <1 delta mag white stars.   

17H 48M 57.40S +25° 11' 00.4" P.A. 319 SEP 1.9 MAG 10.14,10.24 SP F5

J 754 AB: 203; 205x: Very tight pair, ~1 delta mag, just split, can see B direct but it almost needs averted vision.

17H 49M 00.69S +24° 50' 19.9" P.A. 49 SEP 1.7 MAG 9.72,10.72 SP A7

STF 2232 AB: 203; 205x: Bright blue-white A and ~3 delta mag dull red B. Wide ~6"

17H 50M 15.00S +25° 17' 27.6" P.A. 140 SEP 6.1 MAG 6.71,8.85 SP A1V DIST. 147.49 PC (481.11 L.Y.)

 

STF 2239 AB: 203; 205x: Nice pair, white ~1 delta mag and ~2-3" separated B

17H 51M 45.34S +28° 14' 16.3" P.A. 319 SEP 2.4 MAG 9.55,10.00 SP F8 DIST. 178.25 PC (581.45 L.Y.) 

AC 9 AB: 203; 205x: ! Wow, very fine near equal split, white stars

17H 54M 08.02S +29° 48' 44.6" P.A. 242 SEP 1 MAG 9.01,9.16 SP F2 DIST. 166.11 PC (541.85 L.Y.)

SEI 552 AB: 203; 205x: Nice well split white stars, ~1 delta mag, ~5".  It lies in a double triangle of stars, it's apex of smaller triangle the one star forming part of another larger triangle [not physical]

17H 55M 49.46S +31° 17' 52.8" P.A. 235 SEP 5.6 MAG 10.57,11.30

COU 999 AB: 203; 205x: Faint tight B brought forth with foveal coaxing, ~1 one delta mag, ~1.5" separation 

17H 56M 38.55S +30° 44' 34.2" P.A. 312 SEP 1.4 MAG 10.03,10.69 SP F8

HO 423 AB: 203; 205x: Very delicate pair, need foveal coaxing to see B (though I suspected it with direct vision).  ~5" and ~3 delta mag.  Really nice and in a rich field [not psychical, unfortunately] 

17H 57M 34.79S +27° 59' 31.5" P.A. 292 SEP 4.7 MAG 8.95,11.47 SP F6V DIST. 215.52 PC (703.03 L.Y.)

HO 424 AB: 203; 205x: ! Extraordinarily fine pair.  Bright white A and very tight B which lies just outside A's first diffraction ring, ~1.5".  Need foveal coaxing to bring out B, which is very much fainter.

17H 57M 44.09S +28° 15' 12.8" P.A. 204 SEP 1.4 MAG 8.45,10.73 SP G8III DIST. 309.6 PC (1009.92 L.Y.)

STF 2263 AB: 203; 205x: Wide ~1 delta mag, white-blue A and dull orange B.

18H 00M 55.43S +26° 32' 57.2" P.A. 158 SEP 7.7 MAG 8.73,9.93 SP F8 

ES 470 AB: 203; 205x: Can hold B direct after foveal coaxing, it's very faint ~1 delta and wide.

18H 03M 15.08S +27° 50' 40.3" P.A. 208 SEP 8.3 MAG 9.45,10.70 SP F8

STF 2280 AB: 203; 205x: 100 Her.  Bright equal wide yellow-white stars. [not physical]

18H 07M 49.56S +26° 06' 04.4" P.A. 183 SEP 14.3 MAG 5.81,5.84 SP A3V DIST. 49.6 PC (161.8 L.Y.)

STF 2292 AB: 203; 205x: Very fine split, white stars, slight mag difference ~0.5 delta.  Very fine at this magnification

18H 12M 06.74S +27° 38' 35.9" P.A. 273 SEP 0.8 MAG 8.30,8.62 SP A2 DIST. 173.31 PC (565.34 L.Y.) 

POU 3366 AB: 203; 205x: Easy near equal wide pair

18H 14M 49.24S +23° 13' 54.6" P.A. 238 SEP 13.7 MAG 10.98,11.00 SP F5 

AG 221 AB: 203; 205x: Fine near equal, split ~2" 

18H 20M 02.24S +21° 20' 00.7" P.A. 12 SEP 1.8 MAG 9.90,9.87 SP F8

neowise

The last couple of weeks comet Neowise has been putting on a better and better show.  I got up early a couple times last week to drive up to Skyline Blvd. for a look.  Also trekked out to the local bike path for a clear view over trees when it became visible in the evening.  Also drove out with the family Sunday evening to Del Valle to have a look, but the view was greatly obscured by wildfire smoke and a lot of cars driving by. 

The coma has since dimmed but the tail has grown ever longer, and it also sprouted an ion tail.  Monday night this week I drove to Pinnacles and observed it with binoculars, my 10-inch, and a 2x56mm photography lens.  All views were really good, through the binoculars provided the most pleasing view.  I could see the ion tail in the scope, faintly, but not the binoculars.  Over the couple hours of viewing, before it sank too low, I observed about 10 degrees of tail length.  The coma was strongly green in the twilight but a more muted green when fully dark.  The comet filter emphasized the green color into the tail.  The west edge of the tail was lightly diffuse but straight, but the eastern faded gradually and was far more diffuse.  I was really glad I went, it was worth the effort.

I only casually observed the rest of the night, mostly scanning about.  With the 10-inch I mainly want to take in the wide expanse of the views; I don't feel motivated to chase challenging and unique objects.  I turned in a bit early, too.

The skies are to be clear tomorrow but there are family commitments.  I hope we can still get out Friday, though the moon will be a bit larger and might damage the view.

This was taken by Michael U. at the Pinnacles the same night I was there.

6-inch f/15

Over the last few weeks I've been working to build and set-up a 6-inch f/15 refractor.  I have had it set-up in the back yard for the last week, testing it out.  I build a Berry style mount, which works pretty well.  I bought a used ServoCAT Jr. since, with the narrow f/15 field, tracking would be a necessity.  Since it's an older unit I haven't gotten the tracking working well yet, but I hope to solve the problems soon.  Overall, it's a really great scope.  Very beautiful star images, textbook airy disks -- especially after I collimated my mirror diagonal.  Contrast is very good.  My only issue is because it is so long it tends to vibrate, even with just putting my eye against the eyecup -- this might be due to the Servo Alt cable.  And so far the Servo motor movements are not smooth -- some considerable backlash.  And, without DSC, I need to star hop using the hand controller, which is a pain.  However I planned to use the scope primarily as a solar scope, both white light and Ha, as well as lunar and planetary, so once tracking is working I should not have to slew often.  However it would be nice if I could also use it for doubles, since the star images are so nice.  In which case I will attempt to add encoders and see if I can get it to work.

Here are some observations from last night.  I started with the double-double, eta Lyrae, and marveled at the gorgeous star images at 175x.

STFA 38 AD: 152; 175x: Wide, white-yellow stars, one delta.
18H 44M 46.36S +37° 36' 18.4" P.A. 150 SEP 43.7 MAG 4.34,5.62 SP F0IVV DIST. 47.87 PC (156.15 L.Y.)

Sh 281: 152; 175x: Bright yellow-white and wide white B, 3 delta mag.

??

STF 2481 A-BC: 152; 175x: Light orange stars, near equal, well separated. (I need to try this with the 20-inch, BC is 0.2" and only one delta mag.)

19H 11M 07.90S +38° 46' 48.4" P.A. 21 SEP 4.8 MAG 8.39,8.31 SP G6V DIST. 52.85 PC (172.4 L.Y.)

DA 9 AB: 152; 285x: Suspected with 175x, solid split and resolution of B with 285x.  Very faint B condenses with seeing.  A is light blue color.

19H 04M 15.72S +43° 52' 49.5" P.A. 172 SEP 2 MAG 7.05,10.22 SP A0V DIST. 233.64 PC (762.13 L.Y.)

STF 3130 AB-C: 152; 175x: Very fine, B very much fainter and red color.  B appears with seeing, very close (AB is 0.4" and doable with 20-inch)

18H 55M 57.14S +44° 13' 41.9" P.A. 258 SEP 2.7 MAG 6.97,10.52 SP A2 DIST. 186.57 PC (608.59 L.Y.)

STT 352 AB: 152; 175x: Wide one delta mag

18H 26M 24.42S +46° 48' 32.2" P.A. 221 SEP 24.3 MAG 7.91,9.38 SP F2 DIST. 100.1 PC (326.53 L.Y.)

BU 648: Orange A and a just split, very small, very faint B, seen only with 285x --175x suspected, 456x image quality not good.  [this one should be added to short period list; will make a half rotation by 2045.]

18H 57M 01.61S +32° 54' 04.6" P.A. 234.5 SEP 1.31 MAG 5.34,7.96 SP G0V DIST. 14.87 PC (48.51 L.Y.)

11 july 2020

As typical the forecast was for better conditions than I encountered last night.  There was a slight haze settled over the Bay Area--the forward lights on planes cast their beams--so I assume the forecast was for higher elevations.  The seeing was to be "good" but it was only good with the 8-inch mask, and even then I couldn't go above 333x.  Nevertheless it was a fun session, ending around 1am, and I had some challenging observations at this aperture and magnification.

STF 2021 AB: 203; 205x: 49 Ser. Light yellow orange, near equal, bright, wide ~4".  Physical, 1354 year period
16H 13M 18.45S +13° 31' 37.2" P.A. 357.5 SEP 4.05 MAG 7.43,7.48 SP G9V DIST. 23.58 PC (76.92 L.Y.)


HO 64 AB: 203; 205x: Faint but easily split & resolved pair, near equal, ~3-4".  Not physical
16H 30M 47.09S +27° 46' 38.9" P.A. 109 SEP 4.4 MAG 11.65,11.59

STF 2061 AB: 203; 205x: Bright white A, B is very faint.  Finely resolved ~3-4", very significant mag difference
16H 33M 12.49S +30° 54' 27.0" P.A. 29 SEP 2.4 MAG 7.92,10.44 SP F2 DIST. 121.21 PC (395.39 L.Y.)

COU 489 AB: 203; 333x: Suspected at 205x but used 333x for larger scale.  B seen with great difficulty, averted vision only as a flash, <1".  Light yellow bright A star
16H 36M 48.95S +26° 31' 55.8" P.A. 334 SEP 0.8 MAG 8.10,10.19 SP F5 DIST. 87.64 PC (285.88 L.Y.)

COU 622 AB: 203; 205x: Easily split, if faint, near equal.
16H 36M 58.75S +29° 03' 56.9" P.A. 304 SEP 1.6 MAG 11.30,12.30 SP G5

COU 414 AB: 203; 205x: Split with seeing but it's there, near equal white stars, very fine split
16H 39M 34.88S +23° 43' 35.1" P.A. 196 SEP 1.7 MAG 10.89,11.05 SP F8

A 349 AB: 203; 333x: V908 Her. Elongation with averted vision, can't coax any better view.  Light yellow.  Physical, 135.69 year period.
16H 41M 17.67S +30° 06' 36.2" P.A. 128 SEP 0.67 MAG 10.66,10.91 SP K6
 
SEI 540 AB: 203; 205x: Pretty wide, ~2 delta pair.
16H 42M 35.18S +31° 12' 58.3" P.A. 227 SEP 11.5 MAG 9.55,11.10 SP F0 DIST. 172.12 PC (561.46 L.Y.)

STF 2095 AB: 203; 205x: 46 Her. Striking pair, ice blue A, ~2 delta mag ruddy B, wide ~5".
16H 45M 05.23S +28° 21' 28.9" P.A. 160 SEP 5.3 MAG 7.36,9.16 SP F7III DIST. 215.98 PC (704.53 L.Y.)

TDS 836 AB: 203; 205x: Faint but fine pair, noticeable mag difference, about half delta mag, nicely split ~2"
16H 47M 35.42S +31° 29' 15.8" P.A. 218 SEP 2.6 MAG 10.28,11.14

BU 821 AB: 203; 205x: ! Nice, exceedingly fine split at this low magnification, noticeable mag difference, white stars. Burnham discovered with 15.5-inch Washburn.
16H 51M 50.65S +31° 50' 36.3" P.A. 323 SEP 1.3 MAG 9.83,10.48 SP G5

ROE 3 AB: 203; 205x: Almost need averted vision for B, ~1 delta mag, ~5"
16H 52M 07.27S +30° 05' 09.0" P.A. 21 SEP 6.1 MAG 10.75,11.20

A 350 AB: 203; 333x: Snowman at best moments, slight mag difference.  Seeing not permitting higher magnification.
16H 53M 59.79S +29° 06' 23.5" P.A. 144 SEP 0.6 MAG 9.47,9.61 SP F8

BRT 172 AB: 203; 205x: Wide ~5", ~1 delta mag.  B nearly needs averted but I can just hold it direct.
16H 56M 45.14S +27° 33' 31.0" P.A. 217 SEP 4.8 MAG 10.20,11.50

STF 2112 AB: 203; 205x: Sharp white pair, ~2", ~1 delta mag.
16H 58M 14.68S +31° 47' 27.6" P.A. 263 SEP 2.1 MAG 9.68,10.29 SP G5 DIST. 301.2 PC (982.51 L.Y.)

TDS 850 AB: 203; 205x: B needed to flash with averted vision at first, and the best I can get is a hazy elongation, <2"
17H 04M 25.61S +27° 50' 55.5" P.A. 205 SEP 1.4 MAG 10.94,11.27

SLE 11 AB: 203; 205x: Easy wide near equal.  Not Physical
17H 11M 46.73S +29° 05' 42.8" P.A. 285 SEP 9.2 MAG 11.36,12.30

STT 328 AB: 203; 205x: 68 Her.  ! Very nice, white stars.  Very bright A, B like a planet, a point of light, well separated from A
17H 17M 19.57S +33° 06' 00.4" P.A. 56 SEP 4.5 MAG 4.70,10.30 SP B1.5VP DIST. 204.08 PC (665.71 L.Y.)

BU 629 AB: 203; 205x: ! Fine split and with seeing, significant mag difference, ~1".  Burnham discovered with Dearborn 18.5-inch @ 0.99".
17H 17M 29.38S +32° 05' 11.3" P.A. 340 SEP 1.2 MAG 8.96,10.00 SP F5

STF 2147 AB: 203; 205x: ! V944 Her. Very nice bright light yellow-orange A, B is vey much fainter but can just see directly.  Wide ~5", really nice sight
17H 17M 34.65S +28° 54' 47.7" P.A. 93 SEP 3 MAG 7.10,11.00 SP MIII DIST. 1351.35 PC (4408.1 L.Y.)

HO 414 AB: 203; 333x: Suspect @ 205x, hairline split @ 333x.  White stars, noticeable mag difference.
17H 22M 09.89S +26° 05' 12.4" P.A. 103 SEP 0.8 MAG 9.43,9.74 SP G0

HO 415 AB: 203; 205x: Fine split, resolved with seeing, white stars, considerable delta mag.
17H 23M 07.69S +25° 45' 11.1" P.A. 345 SEP 0.9 MAG 8.83,9.67 SP F5

HU 671 AB: 203; 333x: Snowman only, slight magnitude difference.
17H 23M 49.03S +21° 55' 09.6" P.A. 259 SEP 0.8 MAG 8.73,9.72 SP F1V DIST. 161.81 PC (527.82 L.Y.)

GLP 7 AB: 203; 205x: Easy white A and wide bluish B.  Discoverer is Sergi Glasenapp, 1847-1937, Russian, observed from Poulkova, has a moon crater and a minor planet named for him.
17H 34M 17.60S +15° 18' 38.7" P.A. 244 SEP 9.1 MAG 8.87,11.26 SP F5 DIST. 223.71 PC (729.74 L.Y.)

STT 332 AB: 203; 205x: White to slightly reddish A, faint B, wide, large mag difference
17H 34M 54.05S +15° 18' 59.0" P.A. 111 SEP 10.5 MAG 8.19,11.15 SP K0

HEI 249 AB: 203; 205x: Very ight but split dual 11th mag stars, slight magnitude difference, sharp with seeing and cleanly resolved.
17H 37M 26.08S +16° 18' 08.1" P.A. 233 SEP 1.6 MAG 10.59,11.12

J 455 AB: 203; 205x: I can elongate with averted vision, suspect a pair with direct vision, but the sky is a bit too hazy to resolve.  Not physical
17H 39M 36.24S +15° 54' 09.9" P.A. 205 SEP 2.7 MAG 11.13,11.45

J 2115 AB: 203; 205x: Wide one delta mag.
17H 43M 59.54S +14° 54' 14.0" P.A. 224 SEP 6.6 MAG 10.21,10.80

9 july 2020

This turned out to be a short night.  It was very clear with good transparency, but the seeing was just horrible, and my heart was lost.  I pointed at near zenith, but still the images were not good.  Also I have already picked over this part of the sky, so there were few new good targets given the seeing.  A bit concerning since maybe I'll run out of targets?  But that's why I'm setting up the 6-inch, and the short period project, with some effort I should be able to continue finding more pairs to view.

STT 301 AB; 203; 205x: Bright orange-yellow A, ~3 delta B, ~3"

15H 46M 13.64S +42° 28' 06.3" P.A. 27 SEP 4 MAG 7.50,10.38 SP K0 DIST. 216.45 PC (706.06 L.Y.)

PRT 5 AB: 508; 205x: White near equal pair, well split ~5"

15H 44M 47.00S +35° 33' 40.8" P.A. 45 SEP 4.5 MAG 10.67,10.68 SP G0+G0

STF 2056 AB: 508; 205x: Light yellow A and light orange B, ~2 delta, wide

16H 31M 38.54S +05° 26' 01.3" P.A. 313 SEP 6.8 MAG 7.76,9.22 SP A3 DIST. 118.34 PC (386.03 L.Y.)

comet neowise

A newly discovered comet has been putting on a show this week.  It appears naked eye on the northeast horizon shortly before sunrise.  Since I have hills to my east and there's a lot of schmutz in the air in the mornings, on Monday and Tuesday in the early morning I drove up to Skyline Boulevard (route 35) to have a look.

Monday morning I stopped at Windy Hill and scanned around with binoculars mostly in the wrong area until I noticed an oddly shaped glow close to the twilight.  This turned out to be the comet, which had a very bright nucleus and at least a one degree tail pointed straight up, away from the sun.  It was a light yellow-orange color.  Through the binoculars the pseudo-nucleus appeared bar shaped, and the tail was faintly bifurcated right down the middle.  I estimated the tail at four degrees, given the 6 degree field of the 8x56 binoculars.  I brought my 6-inch refractor along but there was too much scintillation and atmospheric dispersion for a good view.  It was windy and cold.  The moon was near to Jupiter and Saturn on the east end of Sagittarius in the west, with Mars higher up, and bright Venus low in the east.  I looked at M31 and M45 too.  I was alone on this night

Tuesday morning had some marine fog spilling over the ridge pass, and Windy Hill was socked in.  So I kept going until I came to an overlook near Page Mill Road.  I was a bit early and the comet had not yet cleared the schmutz.  It was much windier and colder than Monday, but I was better dressed for it.  Soon the comet cleared into dark sky and I enjoyed the view again: but it seemed a little dimmer and the tail was not impressive.  I brought along the 80mm box scope and it gave a nice view.  Three more cars pulled up, all of them photographers...  After about half an hour the sky was getting too bright and I drove home.  Both times I arrived back home before anyone else woke up.

The comet is supposed to rise in the west next week, but it is likely to be dimmer than it is now.  It is said this is the brightest comet since Hale-Bopp, but I don't think it's a great comet, just a good one.   I'll take it all the same.

Here's an even better photo over the Davis Mountains by Mike Gray:

3 july 2020

The night of June 29 I observed for a little while, got to 10 objects, but stopped due to poor conditions and being a bit tired.  Last night July 3 I observed for a couple hours, pointed to north/zenith, in order to keep my eyes away from all our surrounding neighbors who were having outdoor parties.  Fireworks going off in the neighborhood most of the time but trailing off at around midnight.  I could hear a lot of speeding motorcycles and cars on 880, people out for joy rides.  It's this way every July 4th weekend.

Last night had pretty good seeing, so I was able to move up to 20-inch, though with the apodizing mask.  However the nearly full moon and the thin haze cast a brightness over the sky which limited the fainter stars.  I kept myself pointed in one direction, never having to move my ladder once.  Once the moon cleared the trees I had a look at it before closing up; many craters I'm unfamiliar with since I don't view it at this phase very often.  The moon (and planets) are very low this time of year, I needed to crouch a little while standing on the ground to reach the binoviewer.

COU 60 AB: 508; 205x: B see with averted vision only as a flash, ~5" separation
14H 13M 58.52S +17° 12' 33.6" P.A. 282 SEP 7.3 MAG 10.66,11.70 SP K4

HO 541 AB: 508; 205x: B just visible with direct vision, very fine split ~2"
14H 20M 41.13S +12° 09' 59.6" P.A. 89 SEP 2.6 MAG 11.00,11.90 SP F2

STF 1838 AB: 203; 20x: White stars, very slight mag difference, wide.
14H 24M 05.76S +11° 14' 49.1" P.A. 335 SEP 9.7 MAG 7.47,7.73 SP F8V+G1V DIST. 37.08 PC (120.95 L.Y.)

BRT1281 AB: 203; 205x: Faint but clearly seen, bluish, about ~6" separation, equal mag. Not physical
14H 30M 08.36S +10° 27' 52.2" P.A. 277 SEP 4.9 MAG 11.00,11.90

HEI 780 AB: 203; 205x: Finely split equal stars ~2", white.
14H 36M 14.78S +08° 24' 36.5" P.A. 63 SEP 1.8 MAG 10.51,10.90 SP K2

STF 1861 AB: 203; 205x: Wide white stars, ~1 delta mag
14H 36M 42.39S +12° 10' 10.5" P.A. 174 SEP 13.9 MAG 9.73,10.28 SP G0 DIST. 268.1 PC (874.54 L.Y.)

HEI 67 AB: 203; 205x: Very faint elongation, sharpens and splits with seeing, ~1", equal pair
14H 37M 44.36S +14° 18' 05.0" P.A. 112 SEP 1.1 MAG 10.28,11.42

STF 1862 AB: 203; 205x: Very wide white stars, ~1 delta mag
14H 37M 49.07S +14° 54' 09.6" P.A. 125 SEP 14.9 MAG 9.31,10.51 SP F5IV DIST. 558.66 PC (1822.35 L.Y.)

HWE 34 AB: 203; 205x: Nice pair well split ~3", equal, white 
14H 40M 18.22S +12° 05' 34.9" P.A. 12 SEP 2.6 MAG 10.39,10.58 SP G5

HU 1153 AB: 203; 205x: B revealed with foveal coaxing, and I can hold it direct.  ~3 delta, ~2" separation, very attractive pair
14H 51M 37.45S +15° 19' 03.1" P.A. 296 SEP 3 MAG 8.57,11.20 SP K0 DIST. 45.58 PC (148.68 L.Y.)

A 1632 AB: 203; 205x: Faint but nice pair, split well ~2", half or more delta mag, white
15H 25M 17.17S +46° 07' 46.3" P.A. 61 SEP 1.8 MAG 10.40,11.03 SP G0

STT 296 AB: 203; 205x: ! Beautiful white A and dusky yellow B, well split ~2", ~2 delta. Very pretty star
15H 26M 26.56S +44° 00' 13.2" P.A. 274 SEP 2.2 MAG 7.83,9.09 SP G5 DIST. 87.95 PC (286.89 L.Y.)

KU 50 AB: 203; 205x: Faint in poor sky conditions & moon, well split, <3", nearly equal white. Not physical
15H 26M 53.02S +46° 09' 32.4" P.A. 336 SEP 2.9 MAG 10.30,10.50 SP G0

ROE 48 AB: 203; 205x: ~1 delta mag, wide, fairly faint
15H 30M 24.14S +45° 42' 03.9" P.A. 221 SEP 8.6 MAG 10.20,10.50

AG 201 AB: 203; 205x: Slight magnitude difference, white, wide
16H 04M 03.68S +48° 57' 25.0" P.A. 253 SEP 8 MAG 10.50,10.69 SP G5

STF 2015 AB: 203; 205x: ! Blue-white A and white-blue B (which is to say A is white with a tinge of blue, and B is blue with a tinge of white) ~3", ~2 delta mag
16H 08M 54.75S +45° 21' 11.8" P.A. 160 SEP 3.1 MAG 8.24,9.52 SP F5 DIST. 97.56 PC (318.24 L.Y.)

STF 2025 AB: 203; 205x: ! Very delicate pair, large delta mag, close ~2", B held with direct vision after foveal coaxing.  Not far away is another bright white star about same magnitude as A, but is not paired with it.
16H 11M 11.71S +47° 33' 36.1" P.A. 164 SEP 2.6 MAG 8.03,9.75 SP F0 DIST. 141.64 PC (462.03 L.Y.)

A 1642 AB: 508; 333x: Momentarily split with seeing, ~2 delta mag, <1". 188 year period
16H 13M 43.62S +46° 38' 23.1" P.A. 179.6 SEP 0.79 MAG 8.87,9.39 SP G0 DIST. 81.77 PC (266.73 L.Y.)

COU 1450 AB: 508; 333x: ! Very fine pair, slight mag difference, Close ~2"
16H 16M 25.97S +43° 25' 25.5" P.A. 59 SEP 1.3 MAG 10.52,11.83

HU 661 AB: 508; 333x: Near equal white, noticeable mag difference, splits with seeing ~1"
16H 17M 45.01S +49° 17' 49.9" P.A. 38 SEP 0.9 MAG 10.44,10.58 SP F5

ES 1253 AB: 508; 333x: ~1 delta mag, wide, white
16H 18M 31.10S +45° 10' 33.8" P.A. 232 SEP 7 MAG 10.08,11.10

TDS9846 AB: 508; 333x: Need averted vision to flash B out, can only see it this way; wide ~3"
16H 20M 07.51S +48° 54' 34.3" P.A. 231 SEP 2.2 MAG 10.75,11.92

STF 2047 AB: 508; 333x: Bright light yellow-white stars, wide ~2"
16H 23M 08.85S +47° 37' 48.4" P.A. 324 SEP 1.8 MAG 8.54,8.65 SP F8 DIST. 185.53 PC (605.2 L.Y.)

STF 2068 AB: 508; 333x: Easy white and very lightly yellow B, ~10" and nearly equal  mag
16H 33M 54.99S +47° 16' 17.8" P.A. 254 SEP 4.9 MAG 9.00,9.08 SP F5 DIST. 106.61 PC (347.76 L.Y.)

STF 2072 AB: 508; 333x: Easy, ~1 delta mag, wide ~5", white
16H 35M 33.34S +47° 40' 59.1" P.A. 179 SEP 5 MAG 9.80,10.59 SP G0 DIST. 142.05 PC (463.37 L.Y.)

A 1643 AB: 508; 333x: Nicely split with seeing, <1 delta mag, <1" separation
16H 37M 36.00S +45° 09' 31.1" P.A. 151 SEP 0.8 MAG 10.36,10.69 SP F2

ES 632 AB: 508; 333x: ! Very fine, noticeable magnitude difference, ~2", very nice.
16H 40M 50.12S +50° 13' 40.6" P.A. 104 SEP 2.2 MAG 11.27,11.70

KU 54 AB: 508; 333x: Yellow-white A and blue B, wide, ~2 delta
16H 42M 58.19S +43° 54' 40.2" P.A. 99 SEP 9.5 MAG 8.99,10.50 SP G5

ES 76 AB: 508; 333x: Near equal, well separated, ~2-3".  There's a bluish plus one star widely separated to the south west (AC, 10.77/11.07 43.8")
16H 44M 01.74S +50° 36' 21.3" P.A. 45 SEP 2.6 MAG 10.77,11.27 SP G5

D 15 AB: 508; 333x: Close split with seeing, slight mag difference, ivory white stars.
16H 43M 56.29S +43° 28' 31.2" P.A. 325.4 SEP 0.59 MAG 9.04,9.27 SP K5 DIST. 27.03 PC (88.17 L.Y.)

ES 969 AB: 508; 333x: Plainly seen equal bluish stars, ~3"
16H 46M 10.27S +50° 11' 12.9" P.A. 238 SEP 2.8 MAG 11.01,11.45

ES 1089 AB: ! Nice little cluster of six near same magnitude stars with a couple fainter mixed in, this one the faintest pair and closest in, ~2", ~1 delta. Not physical.
16H 46M 28.63S +47° 59' 24.0" P.A. 150 SEP 11.8 MAG 10.66,11.70 SP G0

BRT 341 AB: 508; 333x: Near equal, wide, bluish.
16H 54M 03.47S +43° 54' 49.3" P.A. 256 SEP 4.3 MAG 11.45,11.60

A 1872 AB: 508; 333x: Very nice white pair, >1 magnitude difference, nicely split ~1"
16H 57M 47.31S +43° 43' 52.0" P.A. 120 SEP 1 MAG 9.59,10.68 SP F8

ES 1255 AB: 508; 333x: A is bright light orange and B can only be seen with averted vision--but quite plainly there while averted. I cannot get it to appear direct or with foveal coaxing
17H 01M 00.54S +46° 16' 26.8" P.A. 46 SEP 7.6 MAG 8.19,11.70 SP K5 DIST. 606.06 PC (1976.97 L.Y.)

COU 1593 AB 508; 533x: Notched elongation, with seeing, slight mag difference.
17H 04M 16.61S +44° 44' 43.0" P.A. 191 SEP 0.6 MAG 10.59,10.45 SP F8

KUI 79 AB: 508; 333x: Fine split ~1", noticeable mag difference.  12.91 year period!  I need to re-observe this one!
17H 12M 07.78S +45° 39' 57.6" P.A. 280.8 SEP 0.76 MAG 10.02,10.25 SP K5 DIST. 5.98 PC (19.51 L.Y.)

HU 669 AB: 508; 333x: Faint, barely split with seeing. white stars.

17H 18M 14.75S +49° 51' 48.7" P.A. 263 SEP 0.9 MAG 10.04,10.14 SP K2