Clear night but with generally poor seeing, I uncovered the 6-inch after 9pm for some Struve observing. One of the alignment stars as Sirius, and I immediately saw the Pup through the 6-inch. Then I looked through the 60mm and saw it there too, a faint but hard point outside the diffraction but within the glow. Amazing for a small scope. I looked at some other stars through it during the night, and there were hints here and there of resolving the generally fainter pairings. It's not my main scope but it's great to have it to have some perspective views and look at open clusters and such. I'm enjoying it.
STF1048 AB: 152; 125x: 1 Dm, well split. There is no overlap of the parallax ranges, -11%, it is not likely binary.
07h 14m 14.25s +04° 12' 26.5" P.A. 351.00 sep 5.9 mag 9.14,10.07 Sp A5 dist. 286.53 pc (934.66 l.y.)
STF1058 AB: 152; 125x: 1 Dm, widely split B seen with averted vision only. There is no overlap of the parallax ranges, -91%, it is not binary.
07h 16m 49.85s +09° 21' 44.6" P.A. 278.00 sep 21.8 mag 8.54,11.60 Sp A3 dist. 450.45 pc (1469.37 l.y.)
STF1063 BC: 152; 125x: Closely separated nearly equal pair. There is 59% overlap of the parallax ranges, 2,885 AU weighted separation, 1.8+1.7 Msol, and the radial velocity delta 0.3 is less than the escape velocity 1/5, so this is likely binary and needs an orbital solution.
07h 18m 02.98s +04° 21' 03.8" P.A. 208.00 sep 7.1 mag 10.42,10.95
STF1067 AB: 152; 125x: Equal magnitude, wide, white stars. There is 49% overlap of the parallax ranges, 8,547 AU weighted separation, 2.7+1.8 Msol. While the weighted separation is quite far, there is some possibility it is binary and should be followed.
07h 18m 50.80s +02° 51' 30.0" P.A. 266.00 sep 25.8 mag 8.51,10.15 Sp G0 dist. 257.07 pc (838.56 l.y.)
STF1073 AB: 152; 125x: 2 Dm, well split, white stars. There is 67% overlap of the parallax ranges, 2,108 AU weighted separation, 2.4+1.4 Msol, and the radial velocity delta 1.8 is equal to the escape velocity -- which means it might be binary and an orbit should be tried.
07h 21m 00.62s +10° 11' 44.2" P.A. 67.00 sep 9.0 mag 7.87,10.15 Sp A1IV dist. 164.2 pc (535.62 l.y.)
STF1076 AB: 152;150x: Delicate split, slight delta magnitude, dull yellow-white stars, an attractive pair. Unfortunately, there is no overlap of the parallax ranges, -36%, so this is not likely to be binary.
07h 21m 01.96s +04° 03' 23.6" P.A. 108.00 sep 2.9 mag 9.49,9.58 Sp A0
STF1080 AB: 152; 125x: Wide near equal. There is -82% overlap of the parallax ranges, it is not binary.
07h 22m 15.67s +04° 28' 59.6" P.A. 220.00 sep 22.1 mag 9.97,10.41 Sp A2
STF1082 AB: 152; 125x: 1 Dm, pretty wide. There is 46% overlap of the parallax ranges, but the weighted separation is a wide 10,294, 3.2+2.7 Msol, and the radial velocity delta is 0.0 to the escape velocity 1.0, so it might be binary and needs an orbital solution.
07h 23m 48.40s +10° 42' 05.0" P.A. 327.00 sep 20.1 mag 8.38,9.47 Sp A3 dist. 147.28 pc (480.43 l.y.)
STF1095 AB: 152; 125x: Near equal, well separated. There is 53% parallax range overlap, 2,726 AU weighted separation, 2.2+1.9 Msol, and the radial velocity delta 0.8 is less than the escape velocity 1.6, so it might be binary and needs an orbital solution.
07h 27m 22.75s +08° 45' 14.0" P.A. 78.00 sep 10.3 mag 8.61,9.35 Sp A2 dist. 729.93 pc (2381.03 l.y.)
STF1099 AB: 152; 125x: Very fine white stars slight delta, very closely separated, pretty. There is no overlap of the parallax ranges, -47%, it is not binary.
07h 29m 25.86s +11° 31' 44.5" P.A. 344.00 sep 3.9 mag 8.54,8.94 Sp A0
STF1101 AB: 152; 125x: Fairly faint, slight delta. There is no overlap of the parallax ranges, -18%, it is not likely binary.
07h 28m 43.83s -13° 48' 55.7" P.A. 88.00 sep 6.5 mag 9.50,9.73 Sp A9V+F0V
STF1103 AB: 152; 125x: Very nice pair, closely separated, 1 Dm, ice blue A and light orange B. There is 41% overlap of the parallax ranges, only 931 AU weighted separation, 2.7+1.9 Msol, so it is possibly binary and needs an orbit.
07h 30m 33.61s +05° 15' 16.8" P.A. 245.00 sep 4.2 mag 7.12,8.64 Sp B9 dist. 187.62 pc (612.02 l.y.)
STF1104 AB: 152; 250x: Exquisitely fine pair, 1 Dm, very close split. SOC (Sixth Orbit Catalog) provides an orbital solution 550-year period, grade 4. There is 56% overlap of the parallax ranges, only 72 AU weighted separation, 1.0+1.4 Msol, so this likely is binary, but will only make slight shift to the east in the next few decades.
07h 29m 21.91s -14° 59' 53.4" P.A. 40.90 sep 1.8 mag 6.39,7.60 Sp F7V dist. 35.09 pc (114.46 l.y.)
STF1105 AB: 152; 125x: Very faint, just seen direct vision, near equal magnitude stars, wide. There is 8% overlap of the parallax ranges, a very large 13,876 AU weighted separation, 1.8+1.8 Msol, and the radial velocity delta 0.1 is less than the escape velocity 0.7, so there is some chance it is binary an needs an orbit.
07h 30m 47.32s +08° 35' 00.3" P.A. 81.00 sep 20.5 mag 11.60,11.62
STF1114 AB: 152; 125x: Significant delta magnitude, well split white stars. There is no overlap of the parallax ranges, -83%, it is not binary.
07h 33m 41.76s +09° 17' 18.0" P.A. 52.00 sep 6.4 mag 9.23,9.99 Sp G5
STF1115 AB: 152; 125x: Faint near equal stars, well separated. There is 25% overlap of the parallax ranges, 6,906 AU weighted separation, 2.6+2.5 Msol, and the radial velocity delta 0.2 is less than the escape velocity 1.1, it is likely binary and needs an orbit.
07h 32m 33.55s -12° 52' 36.7" P.A. 139.00 sep 12.4 mag 9.48,9.70 Sp B9.5V dist. 689.66 pc (2249.67 l.y.)
STF1120 AC: 152; 125x: Nice pair, bright white A and faint B fairly wide. There is 30% overlap of the parallax ranges, 9,508 AU weighted separation, 5.9+2.2 Msol, so there is a good chance it is binary and needs an orbit.
07h 36m 03.89s -14° 29' 33.9" P.A. 37.00 sep 19.8 mag 5.64,9.74 Sp B2Ve dist. 389.11 pc (1269.28 l.y.)
STF1121 AB: 152; 125x: Bright near equal stars, well split, in a very rich field. A ridiculous 20 stars measured in the "system." There is 7% overlap of the parallax ranges of these two, 3,596 AU weighted separation, 4.3+4.2 Msol, so it might yet be binary.
07h 36m 36.06s -14° 29' 03.7" P.A. 306.00 sep 7.4 mag 6.92,7.30 Sp B6V+B6V
STF1126 AB: 152; 300x: Mostly a notched elongation, near equal stars, hint of hairline split with best seeing. SOC gives a grade 4 orbit of 1252-years. There is no Gaia parallax data for the secondary. With the orbit represented in SD, this pair would tighten with PA due west in the next few decades, so it's possible to monitor it.
07h 40m 06.99s +05° 13' 51.9" P.A. 178.80 sep 0.8 mag 6.55,6.96 Sp A0III
STF1134 AB: 152; 125x: 1 Dm, well split. There is 81% overlap of the parallax ranges, only 545 AU weighted separation, 1.5+0.7 Msol, but the radial velocity delta 2.9 exceeds the escape velocity 2.7 -- but only slightly. This could be either a co-moving pair or a binary.
07h 43m 31.09s +03° 29' 09.8" P.A. 147.00 sep 9.6 mag 7.07,10.38 Sp F8 dist. 50.94 pc (166.17 l.y.)
STF1137 AB: 152; 150x: Lovely close pair, significant delta, close split. There is 72% overlap of the parallax ranges, 1,272 AU weighted separation, 3.4+2.5 Msol, so chances are good this is binary and needs an orbit.
07h 46m 35.35s +04° 07' 50.1" P.A. 133.00 sep 3.1 mag 7.96,9.12 Sp F5 dist. 440.53 pc (1437.01 l.y.)
STF1138 AB: 152l 125x: Bright pair, well separated. There is 56% overlap of the parallax ranges, 1,432 AU weighted separation, 2.2+1.9 Msol, so chances are this is binary and needs an orbit.
07h 45m 29.14s -14° 41' 25.7" P.A. 341.00 sep 16.7 mag 6.00,6.73 Sp A7V+A1V dist. 77.82 pc (253.85 l.y.)
STF1141 AB: 152; 125x: The central pair in a cornucopia shaped asterism, brighter and whiter than the other stars. 1 Dm, wide. There is no overlap of the parallax ranges, -10%, it is not likely to be binary.
07h 47m 02.47s +00° 01' 06.1" P.A. 10.00 sep 17.5 mag 8.41,9.37 Sp B9 dist. 1587.3 pc (5177.77 l.y.)
STF1143 AB: 152; 125x: Fairly wide stars, large magnitude difference. No overlap in the parallax ranges, it is not binary.
07h 48m 03.42s +05° 24' 35.5" P.A. 152.00 sep 9.3 mag 6.60,11.00 Sp K0 dist. 254.45 pc (830.02 l.y.)
STF1146 AB: 152; 250x: 5 Pup. Excellent pair, with seeing, 2 Dm B resolves in A's diffraction. A is yellow-white. SOC has a grade 4 orbit 565-year period, if it bears out it will tighten to the west by 2050. There is no Gaia data for the secondary.
07h 47m 56.71s -12° 11' 33.8" P.A. 332.50 sep 0.9 mag 5.73,7.32 Sp dF5 dist. 28.6 pc (93.29 l.y.)
STF1149 AB: 152; 125x: 1 Dm, wide. There is no overlap of the parallax ranges, -63%, it is not binary.
07h 49m 29.79s +03° 13' 15.6" P.A. 41.00 sep 21.7 mag 7.81,9.19 Sp G0 dist. 130.21 pc (424.75 l.y.)
STF1153 AB: 152; 125x: Faint near equal, wide pair. There is 19% overlap of the parallax ranges, 9,202 AU weighted separation, 2.1+1.9 Msol, and the radial velocity delta 0.3 is less than the escape velocity 0.9, it is likely binary and needs an orbit.
07h 52m 33.53s +12° 01' 09.6" P.A. 358.00 sep 19.6 mag 10.13,10.28 Sp F8 dist. 2439.02 pc (7956.08 l.y.)
STF1168 AB 152; 150x: B is very faint and seen averted vision only, very close to A. Difficult. There is no overlap of the parallax ranges, it is not binary.
07h 58m 45.18s +05° 37' 23.8" P.A. 218.00 sep 6.0 mag 6.97,14.60 Sp B9 dist. 1086.96 pc (3545.66 l.y.)
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