M1 Crab nebula (Sendhil Chinnasamy)

Celestial hemisphere: Northern · Constellation: Taurus (Tau) · Contains: Crab nebula · LBN 833 · M 1 · NGC 1952 · Sh2-244

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M1 Crab nebula

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M1 Crab nebula

I am a little behind on my long focal length data and hope to put them all behind soon and get on with imaging.

When I setup the AP900, I set it up a little too high but was still easy enough to cover my FSQ106. It was only after put the Edge I realized it was a pain to cover up every morning. So lowered the mount and I am still not sure what went wrong in that, but the mount stopped slewing at the normal slew rate on RA. After reaching out to AP, got that straightened out by remeshing the gears.

I had to rebalance the scope so it stays put anywhere I place it as the guiding numbers were a bit high when pointing at meridian. And wanting to have 0 degree rotation put the filter wheel off center that I had to test and adjust. The balance is good now.

For a few nights, the condensation on the optical window of the sensor happened (even with the desiccant tube). I'm still working to get this resolved.

Between all of this, I ended up collecting data on this target at different rotation angles and cropped the final stack.

Hope you like this result! Clear skies!

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Status	Advanced success
Started	...
Astrometry.net job	5159464
PixInsight job	ZYBARHTE12VBTQNBJALHHCYOQ0S3QWIA
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	05h34m31s.696
RA (top/left)	05h34m02s.748
RA (top/right)	05h35m03s.136
RA (bottom/right)	05h35m00s.540
RA (bottom/left)	05h34m00s.151

Dec (center)	+22°00′59″.99
Dec (top/left)	+21°54′30″.82
Dec (top/right)	+21°55′11″.16
Dec (bottom/right)	+22°07′30″.78
Dec (bottom/left)	+22°06′49″.60

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M1 Crab nebula

M1 Crab nebula

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M1 Crab nebula

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