M 27, ASI294MC Pro TEST first light (Michael Timm)

Celestial hemisphere: Northern · Constellation: Vulpecula (Vul) · Contains: 14 Vul · Dumbbell nebula · M 27 · NGC 6853 · PGC 2815762 · PGC 2815767 · PGC 2815773 · PGC 2815775 · PGC 2815777 · The star 14Vul

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M 27, ASI294MC Pro TEST first light

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M 27, ASI294MC Pro TEST first light

My first light with the ASI294MC Pro. Well it was my third light but the first two where unusable due to internal reflections of my UHC. I learned that the Omegon Pro UHC is maybe not suitable for photographic purposes.

Nevertheless, i am not satisfied with this picture. I lost a lot of color information somewhere in the process. The stars in reality dont have all the same color, and the nebula himself looks a bit weird. I think i need a lot of practice with the new camera. Also i lost a lot of dynamic range compared to my ASI178MC. Wonder where this comes from? First thing i will do is change from native to ASCOM in SharpCap.

[Edit]: It turns out that i used a wrong offset (known as brightness in SharpCap) for the camera and the gain setting. This could be the reason for the low dynamic range. And i think that the subs with 15 seconds are too short - well, maybe. A lot to try...

[Edit2]: Reading out the parameters that ZWO implemented in their ASCOM-Drivers unity gain is at 120 with an offset of 30.

The OSC Club (One Shot Camera)
Ritchey Chretien telescopes GSO Family
Cooled Color Cams
ZWO ASI 294MC PRO
"Nordish by nature"
Planetary Nebulae

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Status	Advanced success
Started	...
Astrometry.net job	2184546
PixInsight job	NM30JLLGWBL9OI2UR0AE0W65RDAJ9GZZ
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	19h59m36s.656
RA (top/left)	20h00m49s.380
RA (top/right)	20h00m20s.296
RA (bottom/right)	19h58m23s.527
RA (bottom/left)	19h58m53s.110

Dec (center)	+22°43′23″.39
Dec (top/left)	+22°22′01″.88
Dec (top/right)	+23°08′39″.39
Dec (bottom/right)	+23°04′42″.41
Dec (bottom/left)	+22°18′10″.11

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M 27, ASI294MC Pro TEST first light

M 27, ASI294MC Pro TEST first light

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M 27, ASI294MC Pro TEST first light

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