DOUBLE STARS
Albireo (Beta Cygni).  Considered to be one of the most
beautiful double stars in the sky, due to its wonderful color
contrast. The 3rd magnitude primary is a golden yellow or
topaz in color, while its 5th magnitude companion is pale
blue.  The pair's separation is 34.5 seconds of arc in position
angle 54. This image was captured on October 18th, 2009
through the 11" (280mm) Celestron Schmidt-Cassegrain
at f/5 (1400mm focal length). The exposure was 1/10 sec.