M3
NGC 5272
Constellation: CVn
Dreyer description: Very remarkable!, globular cluster, extremely bright, very large, very abruptly much brighter middle, stars of magnitude 11 and fainter.
Magnitude: 6.4
RA: 13h 42m 12.0s Dec: +28°23'00" (Epoch 2000)
Size:16.2'

Exposure Information
Detector: MX716
Exposure Time: 25 minutes
Instrument: 6" f4  reflector
Filters: Infrared Blocker for luminance, Red, Green and Blue, Astronomik TypeII