... arcseconds: zeta Aqr mag 4.4+4.6 1.8" mu Dra mag 5.8+5.8 2.0" STF 2245 Her mag 7.0+7.0 2.4" STF 2917 Lac mag 8.0+8.0 4.9" STF 675 Ori mag 9.2+9.2 9.4" A.G. 44 Tri mag 9.9+10.0 10.0" The position angle gives the orientation of the double star pair as seen ...
... Astrophotography meant you'd be at the guide scope for upwards of thirty minutes or ... Dave Prowten leveled, measured and guided the operation. ... Struve 2180 mags 8.0 and 8.1, sep 3.0", P.A. 260o (2000) Like Struve 2138, this is a ...