Whirlpool Galaxy, M51, in the constellation Canes Venatici. It is approximately 31 million light years away from earth. OSC camera data combined with Hydrogen Alpha data through the same ZWO ASI2600mc-pro OSC camera.

Capture Details:

Imaged from my backyard in upstate New York Adirondacks under Bortle 3 skies.


Celestron 9.25” EdgeHD 0.7x reducer

Celestron CGEM DX mounted on a SkyShed Pier imaged from the SkyShed POD

ZWO ASI2600mc-pro Imaging Camera

Astronomik UV/IR filter for the RGB data

Astronomik 12nm Hydrogen Alpha filter

Celestron OAG with ASI174mm guide camera

ZWO ASIair Pro for image acquisition and gear control.

Image Specs:

75 x 300 second exposures Gain 100 for the RGB data

50 x 300 second exposures Gain 100 for the Hydrogen Alpha data

Camera sensor cooled to -20°C

Calibrated (with darks, flats, dark flats) and stacked in APP

Post processed in PixInSight

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