Eta Sagittarii

Eddy O'connor
Star: Eta Sagittarii
Date & Time: July 18th  2001, 7.30 -9p.m local; UT +9
Seeing: 7 <1-10 Seeing Scale (10 best)>. 
Transparency: 7/10 
Location of site: Terara, New South Wales, Australia
Long.150º.38 ; Dec. S 34º.52. 
Temperature. 7ºC
Site classification: Suburban
Sky darkness:  <Limiting magnitude> 
Telescope: 8" Newt. F9 
Eyepieces: 25mm K, 12.5 mm ortho
Magnification: 73x, 146x
Harshaw Scale: 2 <1-5; 1 best>
   
Mag. 3.1/7.8/10, Sep. 3.6", 93.2". This Orange-colour star was a difficult split at X144 and the Wtittish companion seemed closer than the 3.6" expected. The much fainter and remote mag. 10 star was just seen in the field at low power. HS2