[3] M3, NGC5272, Globular Cluster in Canes Venatici
Photographer:
 
Al Brockman
Telescope:
  Meade 10" LX-200 SCT at f/6.3
Orientation::
  Ø 19', m6.3, RA 13h42.2m, Dec +28°22'
Camera:
  SBIG ST-8 non-E ABG at -15°C with SBIG AO7 Guiding at 0.2 Hz
Image Scale:
  1.2 arc sec/pixel
Mount:
  LX-200 on Field Tripod with Milburn Wedge
Exposure type
  L 11 x 600", Binned 1x1
Location:
  Mae Pa Observatory, Tak Province, Thailand on 2002, Jan 28
SMC

Additional Notes:

Over 180 variable stars among the half-million suns shining in this venerable cluster

 
 
 
 
Design and production 2009 by Al Brockman