After the thunderstorm and the dust haze cleared in Sydney last night went out and captured NGC 1851 Globular Cluster for the second time in 2 years
Located in the constellation of Columba this small compact cluster with a bright core shines at a magnitude of 7.5 and is approximately 35,000 light years from earth
60 x 1 minute dithered guided subs
25 x darks
6” f6 Bintel newt on an HEQ5 mount
Canon 600D with Baader coma corrector
Home made DSLR cooling fan ( sensor temperature dropped from 28 degrees at the start to 23 degrees after a few subs )
PHD2 guiding ( 1.50 to 1.70 arc sec error using PPEC Algorithm )
EQMOD , Stellarium Scope and Stellarium for Goto and tracking
BYEOS for capture
Stacked in DSS
Processed in Startools
Resized and cropped in Paint ( reduced resolution)
