It's been clear but windy, including the jet stream raging overhead. Seeing was variable, with higher elevations a bit better than lower. I spent time on the 6-inch going after Struves in Leo and Ursa Major. After logging a fair amount, I switched over to the Burnham list, especially the lower catalog numbers which he discovered with his 6-inch f/15 -- it's fun to challenge myself against him. And, they stand more chance of being binary as they are generally more closely split. Honestly, much of the Struve catalog is hardly worth the slewing, as nearly anything >5" turns out to be not binary. I wonder why he even took a measure. It's misleading to be impressed by the number of "discoveries" of the early visual observers, since they seem to have measured anything which struck their fancy, and got credit for a "discovery." Granted they didn't have satellite parallax data to check against, but they really should have known better.
STF1306 AB: 152; 125x: Lovely light yellow A and orange B, closely split with low power, 2 delta mag. -36% PRO, and in spite of only 81 AU WS, 1.5+0.6 Msol, it might not be binary. And in spite of the SOC grade 4 orbit, too, which predicts a 920-year period.
09h 10m 23.53s +67° 08' 03.3" P.A. 346.00 sep 4.4 mag 4.87,8.85 Sp F7V dist. 20.38 pc (66.48 l.y.)
STF1312 AB: 152; 125x: Lovely half delta magnitude white pair, well split. 23% PRO, 1,910 AU WS, 2.9+2.5 Msol, and the RVD 0.7 < EV 2.2, it is possibly binary and needs an orbit.
09h 10m 18.19s +52° 23' 05.7" P.A. 147.00 sep 4.7 mag 8.35,8.80 Sp F2V dist. 952.38 pc (3106.66 l.y.)
STF1313 AB: 152; 200x: Excellent close pair, faint, white, slightly unequal, split with seeing. At the base of a 4 star L-shaped asterism. -82% PRO, it is not binary.
09h 13m 45.13s +69° 58' 47.4" P.A. 283.00 sep 1.1 mag 9.39,9.55 Sp G5 dist. 364.96 pc (1190.5 l.y.)
STF1314 AB: 152; 125x: Faint, superwide. -93% PRO, it is not binary.
09h 12m 39.51s +61° 56' 28.8" P.A. 86.00 sep 47.9 mag 8.86,11.69 Sp F8 dist. 89.21 pc (291 l.y.)
STF1315 AB: 152; 125x: Near equal white stars, wide. Also seen in the 60mm at low power. 70% PRO, 3,841 AU WS, 2.2+2.0 Msol, and the RVD 0.3 < EV 1.4, it is possibly binary and needs an orbit.
09h 12m 45.94s +61° 40' 32.7" P.A. 28.00 sep 25.1 mag 7.33,7.65 Sp A3IV dist. 100.2 pc (326.85 l.y.)
STF1318 AB: 152; 150x: Close split, nearly 1 Dm, white. Split with low power but best at 150x. -52% PRO, 131 AU WS, 1.2+0.9 Msol, it is possibly binary and needs an orbit.
09h 13m 38.79s +46° 59' 25.3" P.A. 227.00 sep 2.6 mag 7.85,9.51 Sp F8V dist. 52.44 pc (171.06 l.y.)
STF1321 AB: 152; 125x: Yellow-white near equal wide pair, well seen in the 60mm with low power. 77% PRO, 110 AU WS, 0.5+0.5 Msol, RVD 0.1 < EV 3.9, it is certainly binary and has a SOC grade 4 orbit 1986-year period.
09h 14m 22.79s +52° 41' 11.8" P.A. 99.00 sep 16.9 mag 7.79,7.88 Sp K7V+M0V dist. 5.81 pc (18.95 l.y.)
STF1330 AB: 152; 125x: Superwide, faint, near equal. 49% PRO, 3,096 AU WS, 1.3+0.8 Msol, but RVD 1.8 > EV 1.1. It is not binary.
09h 22m 14.58s +67° 10' 51.3" P.A. 303.00 sep 25.2 mag 9.37,11.52 Sp G
STF1331 AB: 152; 200x: Barest of hairline splits with seeing, near equal, high power only. 64% PRO, 221 AU WS, 2.1+2.0 Msol, it is likely binary and needs an orbit.
09h 20m 46.02s +61° 20' 58.4" P.A. 153.00 sep 0.9 mag 8.54,8.74 Sp A8IV dist. 206.61 pc (673.96 l.y.)
STF1340 AB: 152; 125x: 1 Dm, white, wide. 80% PRO, 1,288 AU WS, 2.7+1.7 Msol, it is possibly binary and needs an orbit.
09h 22m 32.22s +49° 32' 41.4" P.A. 319.00 sep 6.3 mag 7.08,8.99 Sp B9.5V dist. 226.24 pc (737.99 l.y.)
STF1341 AB: 152; 125x: Superwide, faint. 78% PRO, 1,358 AU WS, 1.0+1.0 Msol, RVD 0.1 < EV 1.6, it is probably binary and needs an orbit.
09h 22m 37.58s +50° 36' 13.5" P.A. 89.00 sep 20.5 mag 9.09,9.17 Sp G5+G5 dist. 177.62 pc (579.4 l.y.)
STF1345 AB: 152; 150x: Very fine 1 Dm pair, well split. 66% PRO, 660 AU WS, 1.9+1.5 Msol, it is probably binary and needs an orbit.
09h 26m 57.20s +64° 20' 35.7" P.A. 85.00 sep 2.9 mag 8.84,10.27 Sp A2 dist. 289.86 pc (945.52 l.y.)
STF1346 AB: 152; 125x: 1 Dm, white, well split. -36% PRO, it is not binary.
09h 25m 37.88s +54° 00' 57.5" P.A. 315.00 sep 5.8 mag 7.69,8.59 Sp A2V dist. 196.08 pc (639.61 l.y.)
STF1349 AB: 152; 125x: Equal, wide. 4% PRO with 2% error, 4,701 AU WS, 2.7+2.0 Msol, RVD 1.0+1.3 Msol. It is boarderline possibly binary, an orbit should be tried.
09h 31m 09.89s +67° 32' 28.4" P.A. 166.00 sep 19.2 mag 7.54,8.98 Sp A3V dist. 549.45 pc (1792.31 l.y.)
STF1350 AB: 152; 125x: Equal, wide. 28% PRO, 1,939 AU WS, 2.0+2.0 Msol, it is possibly binary and needs an orbit.
09h 34m 19.56s +66° 47' 42.3" P.A. 249.00 sep 10.2 mag 8.26,8.31 Sp F4V+F6V dist. 225.73 pc (736.33 l.y.)
STF1351 AB: 152; 125x: Very bright yellow-white A and 4 Dm, well split B. 44% PRO, 539 AU WS, 2.1+0.6 Msol, but RVD 4.6 > EV 3.0, it is not likely binary.
09h 31m 31.57s +63° 03' 42.5" P.A. 267.00 sep 22.7 mag 3.65,9.19 Sp F0IV+K5V dist. 23.82 pc (77.7 l.y.)
STF1352 AB: 152; 125x: Very wide, faint, unequal. 98% PRO, it is not binary.
09h 29m 12.10s +43° 17' 39.9" P.A. 353.00 sep 21.7 mag 10.57,11.60 Sp G0
STF1358 AB: 152; 125x: 1 Dm, wide. -93% PRO, it is not binary.
09h 30m 56.58s +44° 41' 02.1" P.A. 176.00 sep 24.1 mag 7.93,9.25 Sp M dist. 621.12 pc (2026.09 l.y.)
STF1359 AB: 152; 125x: 1 Dm, well split. -78% PRO, it is not binary.
09h 32m 58.20s +56° 14' 59.1" P.A. 54.00 sep 7.5 mag 9.77,10.76 Sp G5
STF1360 AB: 152; 125x: Near equal, wide. 38% PRO, 492 AU WS, 0.8+0.8 Msol, and the RVD 0.1 < EV 2.4, it is likely binary and needs an orbit.
09h 30m 35.95s +10° 36' 06.4" P.A. 242.00 sep 13.8 mag 8.95,8.86 Sp G5 dist. 29.64 pc (96.69 l.y.)
STF1363 AB: 152; 125x: Faint, wide. 1% PRO, 880 AU WS, 1.6+0.8 Msol, but RVD 2.9 > EV 2.2, it is not binary.
09h 35m 14.09s +60° 53' 30.5" P.A. 356.00 sep 10.8 mag 7.32,10.62 Sp F0 dist. 75.64 pc (246.74 l.y.)
STF1364 AB: 152; 125x: Wide, 1 Dm, light orange stars. 15% PRO, 1,895 AU WS, 1.5+1.1 Msol, RVD 1.1 < EV 1.6, it is possibly binary and needs an orbit.
09h 32m 01.52s +20° 02' 49.3" P.A. 155.00 sep 16.2 mag 8.59,9.74 Sp F5 dist. 102.99 pc (335.95 l.y.)
STF1366 AB: 152; 125x: Faint, well split, more than 1 Dm. 94% PRO, 847 AU WS, 1.4+1.0 Msol, and RVD 1.5 < EV 2.2, it is possibly binary and needs an orbit.
09h 35m 42.47s +53° 17' 40.4" P.A. 321.00 sep 7.8 mag 8.44,10.09 Sp F2 dist. 95.51 pc (311.55 l.y.)
STF1368 AB: 152; 125x: Faint, 1 Dm, superwide. -21% PRO, it is not binary.
09h 36m 04.95s +53° 17' 53.9" P.A. 220.00 sep 21.9 mag 8.79,10.45 Sp F5 dist. 142.25 pc (464.02 l.y.)
STF1376 AB: 152; 125x: Near equal white stars, well split. No parallax data for the primary.
09h 45m 01.10s +43° 13' 39.8" P.A. 309.00 sep 5.4 mag 9.07,9.05 Sp F5V dist. 130.38 pc (425.3 l.y.)
STF1379 AB: 152; 125x: Faint wide pair. 91% PRO, 596 AU WS, 1.5+0.7 Msol, but the RVD 3.0 > EV 2.5, it is not binary.
09h 45m 16.74s +08° 52' 58.0" P.A. 175.00 sep 9.8 mag 7.16,10.75 Sp F5 dist. 63.49 pc (207.1 l.y.)
STF1381 AB: 152; 200x: Very closely split with seeing, high power. 1% PRO, 134 AU WS, 1.5+1.6 Msol, is is not likely binary, though there is a SOC grade 5 orbit, 1787-year period.
09h 51m 15.22s +60° 37' 00.1" P.A. 187.00 sep 0.8 mag 8.93,9.20 Sp G0 dist. 190.11 pc (620.14 l.y.)
STF1383 AB: 152; 125x: Very faint B, wide. -25% PRO, it is not binary.
09h 50m 45.33s +31° 37' 50.4" P.A. 227.00 sep 22.8 mag 9.95,12.10 Sp G5
STF1384 AB: 152; 125x: Faint pair, unequal, wide. 83% PRO, 1,361 AU WS, 1.1+1.0 Msol, RVD 0.5 < EV 1.7, it is likely binary and needs an orbit.
09h 49m 56.91s +16° 19' 55.8" P.A. 183.00 sep 11.6 mag 9.76,10.02 Sp G0
STF1386 AB: 152; 150x: Difficult, with seeing, faint, close split equal pair. -56% PRO, it is not binary.
09h 55m 04.02s +68° 54' 06.1" P.A. 111.00 sep 2.1 mag 9.30,9.34 Sp F5 dist. 168.92 pc (551.02 l.y.)
STF1387 CD: 152; 125x: In same system as STF1386, This is a faint near equal well split pair. 31% PRO, 932 AU WS, 0.9+0.9 Msol, RVD 0.1 < EV 1.8, it is likely binary and needs an orbit. Interesting because this is closer to us it appears wider than STF1386, but it is probably binary whereas STF1386 is not.
09h 55m 02.78s +68° 56' 22.5" P.A. 273.00 sep 8.9 mag 10.73,10.67 Sp G dist. 76.75 pc (250.36 l.y.)
STF1388 AB: 152; 125x: Faint, very wide. -38% PRO, it is not binary.
09h 52m 22.11s +28° 33' 58.4" P.A. 122.00 sep 33.4 mag 9.46,11.47 Sp F2
STF1389 AB: 152; 150x: Near equal light orange stars, close split, best seen medium power. 29% PRO, 133 AU WS, 0.8+0.9 Msol, RVD 0.3 < EV 4.8, it is likely binary. SOC grade 4 orbit 1454-year period.
09h 52m 26.17s +26° 58' 53.8" P.A. 290.00 sep 2.4 mag 9.12,9.50 Sp K0 dist. 57.54 pc (187.7 l.y.)
09h 52m 08.54s +16° 27' 46.8" P.A. 207.00 sep 2.2 mag 9.31,10.12 Sp B9 dist. 366.3 pc (1194.87 l.y.)
STF1391 AB: 152; 125x: Unequal white stars, close split, it's part of equal triangle asterism of similar magnitude stars. 85% PRO, 2,769 AU WS, 1.7+1.1 Msol, RVD 1.6 > EV 1.3, it is boarderline binary and an orbit should be tried.
09h 55m 57.22s +51° 11' 27.2" P.A. 316.00 sep 13.4 mag 9.10,10.94 Sp F5
STF1392 AB: 152; 125x: Very faint B, 2 Dm, wide. 4% PRO, 2,836 AU WS, 1.7+1.2 Msol, RVD 1.9 > EV 1.3, it is not binary.
09h 56m 03.71s +29° 05' 54.8" P.A. 176.00 sep 9.4 mag 9.93,12.60 Sp G5
STF1394 AB: 152; 125x: 1 Dm, well split. 76% PRO, 318 AU WS, 1.1+0.9 Msol, RVD 0.7 < EV 3.3, it is likely binary and has a SOC grade 5 orbit 2848-year period.
09h 57m 14.57s +45° 54' 10.1" P.A. 250.00 sep 4.5 mag 8.89,9.75 Sp G0 dist. 58.11 pc (189.55 l.y.)
STF1395 AB: 152; 125x: Faint B 3 Dm, superwide. 41% PRO, 2,919 AU WS, 2.0+1.1 Msol, but RVD 3.0 > EV 1.4, it is not binary.
09h 55m 23.11s +10° 06' 42.5" P.A. 229.00 sep 18.8 mag 8.21,10.54 Sp G5 dist. 41.49 pc (135.34 l.y.)
STF1397 AB: 152; 200x: Very tough this aperture, tiny faint B a very close split with seeing. No parallax data for the secondary.
09h 56m 44.80s +25° 03' 14.1" P.A. 96.00 sep 1.1 mag 9.33,10.62 Sp G0 dist. 263.16 pc (858.43 l.y.)
STF1399 AB: 152; 125x: Superwide, 1 Dm. -2% PRO, 1,249 AU WS, 1.1+0.9 Msol, RVD 0.2 < EV 1.7, it is boarderline binary, an orbit should be tried.
09h 57m 02.21s +19° 45' 44.6" P.A. 176.00 sep 30.2 mag 7.65,8.36 Sp G0 dist. 41.77 pc (136.25 l.y.)
BU 26 AB: 152; 200x: Very distinct B seen with foveal coaxing, can then hold steady direct vision, well separated. -77% PRO, it is not binary.
11h 23m 46.46s -10° 25' 22.1" P.A. 68.00 sep 3.0 mag 7.76,10.06 Sp K0
BU 456 AB: 152; 150x: Excellent near equal pair, hairline split. 200x further separates the stars, but seeing disturbs the image. 15% PRO, 53 AU WS, 0.8+0.8 Msol, it is possibly binary and needs an orbit.
11h 36m 49.86s -12° 21' 02.7" P.A. 162.00 sep 1.2 mag 9.56,9.73 Sp G5 dist. 48.19 pc (157.2 l.y.)
BU 458 AB: 152; 125x: Wide 1 Dm. -47% PRO, it is not binary.
12h 04m 17.11s -21° 02' 21.0" P.A. 236.00 sep 30.1 mag 7.87,9.97 Sp A2II dist. 384.62 pc (1254.63 l.y.)
BU 589 AB: 152; 125x: B seen with foveal coaxing only, rather well separated. 11% PRO, 488 AU WS, 2.0+0.8 Msol, it is possibly binary and needs an orbit.
09h 26m 35.56s +06° 31' 49.5" P.A. 219.00 sep 3.1 mag 8.00,12.90 Sp F5 dist. 190.11 pc (620.14 l.y.)
BU 596 AB: 152; 250x: Extremely faint B star emerges with foveal coaxing and with seeing, closely split. 2% PRO, 540 AU WS, 2.7+0.9 Msol, it is possibly binary and an orbit should be tried.
10h 49m 26.81s +17° 08' 47.2" P.A. 276.00 sep 2.8 mag 7.20,13.70 Sp K0 dist. 230.41 pc (751.6 l.y.)
BU 598 AB: 152; 125x: B not seen, too faint. -78% PRO, it is not binary.
11h 00m 44.83s +06° 06' 05.4" P.A. 219.00 sep 40.3 mag 4.99,12.60 Sp A5III dist. 46.36 pc (151.23 l.y.)
BU 600 AB: 152; 200x: I see a mere suggestion of a faint star, hazy, a dim brightening dim about 2" from the bright primary. No parallax data for the secondary.
11h 16m 58.18s -07° 08' 04.9" P.A. 211.00 sep 1.3 mag 6.15,10.50 Sp A8IVp dist. 129.53 pc (422.53 l.y.)
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