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Scope: C8 f/10; Location: Del Mar, CA;
23 May. 2006; Camera: Artemis285
Exposure: 12 x 120 sec Luminance exposures with UV/IR Block Filter, 7 x 60 sec 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 guided; North is up. The image was taken with somewhat good seeing. M92
is a second well known Globular Cluster in the constellation of Hercules - M13
being its better known big brother. M92 is at a distance of about 26,000 light
years from Earth. This
image replaces an earlier image that can be seen in the Archives
here. Horizontal FOV is 16'
Image Center is approximately - Equatorial 2000: RA: 17h 17m 07s Dec: +43°08'13"