astroimages
Darin E. Fields' Astrophotography Pages
 

TEC-140-M81

Exposure: LRGB Exposure: L=40 minutes (4 x 600 sec.) unbinned; R=25 minutes (5 x 300 sec.)unbinned; G=25 minutes (5 x 300 sec.) unbinned; B=25 minutes (5 x 300 sec.) unbinned.
Camera: SBIG ST-2000XM
Telescope: TEC-140 Apo @ F/7
Mount: Losmandy/Gemini G-11
Processing: Maxim/DL-CCD, Photoshop CS2
Date: 3/09/07
TEC-140-M81-lrgb: