6_inch images
 

M-015. An LRGB image of a  Globular Star Cluster. Exposure times are L=40 R=10 G=10 B=10 minutes. An overexposed and underexposed image were merged to extend the tonal range. The result is an image with faint outer detail and bright inner detail which is not washed out.

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m52_color

M15
NGC 7078
Constellation: Peg
Dreyer description: Remarkable!, globular cluster, very bright, very large, irregularly round, very abruptly much brighter middle, well resolved, stars very small.
Magnitude: 6.4
RA: 21h 30m 00.0s Dec: +12°10'00" (Epoch 2000)
Size:12.3'
 
Exposure Information
Detector: MX716
Exposure Time: 40 minutes
Instrument: 6" f4  reflector
Filters: Infrared Blocker for luminance, Red, Green and Blue, Astronomik TypeII
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