astroimages
Darin E. Fields' Astrophotography Pages
 

ST2000XM: M13 Globular Cluster Widefield

Exposure: LRGB: L=15 minutes (5 x 180 sec.) unbinned, R=15 minutes (3 x 300 seconds) unbinned, G=15 minutes (3 x 300 seconds) unbinned, B=15 minutes (3 x 300 seconds) unbinned.
Camera: SBIG ST-2000XM cooled @ 0c
Telescope: Takahashi FS-78 @ f/8
Mount: Losmandy/Gemini G-11
Processing: Maxim/DL-CCD, Photoshop 6.0
Date: 5-16-04
dfields-m13-lrgb: