Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's nebulae  ·  M 81  ·  M 82  ·  NGC 3031  ·  NGC 3034
M81 and M82, Cristiano Secci
M81 and M82
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M81 and M82, Cristiano Secci
M81 and M82
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Equipment

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Acquisition details

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Description

All in all I'm quite happy about this result taken from a heavily light polluted sky in Milan, Italy with just 48 minutes of Light integration.

Lum: 20x30s - bin 1x1

Ha: 30x30s - bin 2x2

RGB: 12x10s - bin2x2 each color

Flats, Darks, Bias

Camera: ASI 1600MM Cool (Gain 139 - Offset 21)

Filters: Optolong 36mm

Guide camera: QHY-5L II M

Main OTA: Newton Skywatcher 200/1000

Mount: NEQ6-Pro

Capture with SGP, PHD

Post production with DSS, PS, Lightroom

In memory of Professor Stephen Hawking. "Remember to look up at the stars and not down at your feet. Try to make sense of what you see and wonder about what makes the universe exist. Be curious. And however difficult life may seem, there is always something you can do and succeed at. It matters that you don't just give up."

Comments

Sky plot

Sky plot

Histogram

M81 and M82, Cristiano Secci