This is a picture of M92. It is a globular cluster in the constellation Hercules and is about 26,000 light years away. It is about 109 light years in diameter and has a mass of about 330,000 suns. The imaging details are shown below.
March 10, 2011
Location: Rancho Hidalgo, NM
Telescope: TEC-140 (F7)
Camera: SBIG ST-8300M
Mount: AP900 FTO
Luminance: 10x3 minutes (unbinned)
Red: 6x5 minutes (unbinned)
Green: 6x5 minutes (unbinned)
Blue: 6x5 minutes (unbinned)