NGC 4565 is the brightest galaxy in the coma cluster and approximately 55 million light years from here. Our view from earth is edge on and we cannot see its actual spiral structure. Observations at other wavelength reveal an active black hole in its core.

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: 42x300sec
Flats, Dark Flats, Bias, Darks
Camera settings: Gain 100, Offset 20
No moon during acquisition
Bortle 4-5
Acquisition Date: May 8, 2021

Processing

Stacking Software: DSS
Imaging: PixInsight