m3

 Annual visit to Canes.

globular cluster m3 in canes venatici
atr533c on gso203    34x180s @ hcg100

galaxies m51 whirlpool with ngc5195 in canes venatici
atr533c on gso203    48x4min @ hcg100
process: startools

process setiastro

a side by side
why not