NGC 5985 5982 5981 in Draco



Scope: C8 f/6; Location:  Dos Picos Park, Ramona, CA; 6 May  2007; Camera: Artemis285

Exposure: 10 x 360 sec  Luminance exposures with IR Block Filter (bin 1x1); 6 x 120 sec RGB (bin 2x2) 

Processing: Images were captured in Artemis Capture (as FITs). Aligned/stacked in Registax 4 and saved as FITS. Luminance and Color channels were numerically scaled and  color balanced in Astroart.  Channels were co-registered in Astroart.  Central Gradient removal was performed on the L,R,G,B stacked masters. The IR Block exposure was used as the luminance channel. Curves and Levels applied in Photoshop to optimize object features.  Final LRGB combine was done in Photoshop using Luminance Layering (or LLRGB).   Selective sharpening with layer mask was applied to galaxy  features. Light noise reduction was performed using PixInsight LE. Final touches were done in Photoshop.  Final Image size is approximately 1392x1040.

 North is up in this image. This grouping of galaxies is sometimes called the Draco Trio as they are located in the constellation of Draco. From left to right, the three predominant objects are NGC 5985, NGC 5982, and NGC 5981.  Horizontal FOV is about 25'

Image Center approximately - Equatorial 2000: RA: 15h 38m 40s Dec: +5921'22"


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