astroimages
Darin E. Fields' Astrophotography Pages
 

TEC 140 Apo: M12 Globular Cluster in Ophiuchus

Exposure: LRGB: L=20 minutes exposure (2 x 600sec.); R=300 sec. 2xbinned; G=300 sec. 2xbinned; B=300 sec. 2xbinned
Camera: SBIG ST-2000XM
Telescope: TEC 140 Apo @ f/7
Mount: Losmandy/Gemini G-11
Processing: Maxim/DL-CCD, Photoshop CS
Date: 5-14-08
TEC-140-M12-lrgb: