The Christmas Tree Cluster and a Cone (David Redwine)

Celestial hemisphere: Northern · Constellation: Monoceros (Mon) · Contains: 15 S Mon · B39 · Christmas Tree Cluster · Hubble's variable neb · LBN 911 · LBN 912 · LBN 922 · LDN 1610 · LDN 1613 · NGC 2261 · NGC 2264 · PK201+02.1 · Sh2-273 · The star 15Mon

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The Christmas Tree Cluster and a Cone

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The Christmas Tree Cluster and a Cone

This is a very difficult region for RGB imaging due to the number, and brightness of all the stars in this region. I spent several days trying to process this but with so many stars I kept getting horribly bloated stars. Colors were faded due to high clouds that reduced my SQM readings by one full unit from normal and bleached most of the color out of the subs.

Finally I decided to use STARNET++ to remove the stars and it worked shockingly well. Without the stars in the image I was able to restore most of the color. The star at the top of the Christmas tree was muted to avoid some micro-lens artifacts.

The Cone Nebula shows nicely at about 4 O'clock from the tree.

Red       40x60s, 15x240s
Green   40x60s,   13x240s
Blue      40x60s    13x240s

CS

Central USA
Imaged with APT

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Status	Advanced success
Started	...
Astrometry.net job	5578526
PixInsight job	MC6991Q4RQQT1DLPEF1KCGZNKPMQVKK3
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	06h40m31s.10
RA (top/left)	06h39m46s.69
RA (top/right)	06h46m01s.91
RA (bottom/right)	06h41m15s.31
RA (bottom/left)	06h35m01s.64

Dec (center)	+09°53′19″.7
Dec (top/left)	+11°20′39″.4
Dec (top/right)	+10°26′58″.7
Dec (bottom/right)	+08°25′54″.10
Dec (bottom/left)	+09°19′19″.9

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The Christmas Tree Cluster and a Cone

The Christmas Tree Cluster and a Cone

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The Christmas Tree Cluster and a Cone

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