Nebula NGC 6523in Sagittarius 13 Apr 07
The image was taken at f/4.5 x 13.1in at prime focus.
composite images 13min exp
Below, this one was taken in May 2009 using the 20inch telescope and opticstar camera exp of 8 mins
Nebula NGC 6523in Sagittarius 13 Apr 07
The image was taken at f/4.5 x 13.1in at prime focus.
composite images 13min exp
Below, this one was taken in May 2009 using the 20inch telescope and opticstar camera exp of 8 mins