CLICK ON IMAGE FOR FULL SIZE VIEW
Scope: C8 f/8; Location: Del Mar, CA;
30 May. 2006; Camera: Artemis285
Exposure: 12 x 120 sec (1x1 bin) Luminance exposures with IR Block Filter, 8 x
60 sec (2x2 bin) RGB
Processing: Images were captured Artemis Capture (as FITs). Aligned/stacked in Registax
3 and saved as FITS. Luminance and Color channels were scaled and rough color balanced in
Astroart. Central Gradient was removed in Astroart. Channels were co-registered in
Astroart. Curves and Levels were applied in Photoshop to optimize object
appearance. Final LRGB combine was done in Photoshop using Luminance Layering (or
LLRGB). G2V color correction and final touches were done in Photoshop. SGBNR was used to smooth background noise on the
Final Image size is approximately 1392x1040.
This image was a guided image. M12 is located in the constellation of Ophiuchus.
It is one of seven Messier Globulars in Ophiuchus. M12 is a low concentration
class globular cluster and is much less concentrated toward the center. It is
located at a distance of about 16,000 light years. This image replaces an earlier image that can be
seen in the Archives here. Horizontal FOV is about
Image center is
approximately - Equatorial 2000: RA: 16h 47m 14s Dec: -01°56'50"