M3 is a Globular Cluster in Canes Venatici about 34000 light years from our solar system. As all Globular Clusters it is pretty old (11.4 billion years).

Acquisition Details

Scope: Borg 90FL/500 with 1.08x Flattener
Filter: IDAS NGS1
Camera: ZWO ASI 2600MC Pro
Mount: Skywatcher HEQ5 Pro
Guiding Scope: MiniBorg 50
Guiding Camera: ZWO ASI 290MM
Guiding Software: PHD2
Acquisition Software: APT
Light Frames: 24x300sec
Flats, Dark Flats, Bias, Darks
Camera settings: Gain 100, Offset 20
No moon
Bortle 4-5
Acquisition Date: Feb 13, 2021

Processing

Stacking Software: DSS
Imaging: PixInsight