Recently an imager from Canada sent one of the nicest pics of The Ring Nebula I've seen from any CCD. This pic just happens to be from our most popular astronomy camera to all the enthusiasts, the DMK 21AF04.AS.
Gerald, from Canada, writes:
I recently purchased the DMK 21AF04.AS camera for planetary imaging, but decided to try some deep sky imaging with it. I thought I would pass along this image of the Ring Nebula obtained with the camera.
Camera: DMK 21AF04.AS
Telescope: C9.25 SCT
Mount: Losmandy G11
Filter Set: Astronomik LRGB Type II
Luminance: best 229 frames (539 total), taken at an exposure of 9.7 sec
Red: Best 150 frames (249 total); exposure = 11.56 sec per frame.
Green: Best 150 frames (249 total); exposure = 11. 56 sec per frame.
Blue: Best 150 frames (350 total); exposure - 11.56 sec per frame.
Exposures were taken unguided.
Stacking, dark frame subtraction and image enhancement using Registax
Final processing in Photoshop.