M56 in Lyra
Scope: C8 at f/5 Location: Del Mar, CA; 30 Oct. 2004; Camera: ToUcam SC3
Exposure: 20 x 6 sec and 20 x 16 sec exposures with IR filter 14 x 16 sec each RGB exposures.
Processing: Images were captured in K3CCDTools. Aligned/stacked in Registax and saved as FITS. Luminance and Color channels were scaled and rough color balanced in Astroart. Channels were co-registered in Astroart. The 16 sec exposure was used as the base Luminance channel. The shorter Luminance exposure was normal combined with mask to reduce star size on the bright stars in the Luminance channel. Luminance and Color FITS were combined in Photoshop with Luminance Layering. Color balancing and final touches in Photoshop. SGBNR (PixInsight LE) was used to smooth background noise on the luminance channel . Resized to approximately 800x600.
This image was guided. This image was taken at a fairly light polluted site which worked to limit my exposure. M56 is a smallish but fairly loose globular cluster. Stars are resolved all the way into the core. Horizontal FOV is 16'
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