Cone Nebula/Christmas Tree Cluster NGC2264 (matthew.maclean)

Celestial hemisphere: Northern · Constellation: Monoceros (Mon) · Contains: 15 S Mon · B39 · Christmas Tree Cluster · Hubble's variable neb · LDN 1610 · LDN 1613 · NGC 2259 · NGC 2261 · NGC 2264 · PGC 136469 · PGC 136482 · PGC 136483 · PGC 136484 · PGC 136486 · PGC 136494 · PGC 136495 · PGC 136496 · PGC 136499 · PGC 136504 · PGC 136508 · PGC 136510 · PGC 136516 · PGC 136518 · PGC 2818863 · PK201+02.1 · Sh2-273 · The star 15 Mon

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Cone Nebula/Christmas Tree Cluster NGC2264

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Cone Nebula/Christmas Tree Cluster NGC2264

The first week of February brought several nights of clear skies (and snow-free ground) for the first time in months, so I went after a couple winter targets that I have never had a chance for before. Even after five years of imaging, I am still working through many of the basic targets for the first time. For the cone nebula, I really just did minimal processing: Blur Xterminator, followed by Noise XTerminator, a rough stretch, and a little more stretching of the starless layer just to accentuate the colors a bit.

There is so much background hydrogen that there really isn't much empty space in this region, so I tried not to over-darken the image. Sometimes my backgrounds are so noisy that I have to, but this one seemed fairly nice.

I have also been playing with the Foraxx Pallette script; for bi-color images, it basically converts the red to orange, but I liked the look and I think it accentuates some of the nebula a bit. I also ended up staring at the starless hydrogen-alpha layer (red channel) quite a lot - there is so much structure to it that I decided to upload a version of that too.

Final
Original
B
C

B

Title: Foraxx version

Uploaded: ...

C

Title: Ha layer (starless)

Uploaded: ...

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Status	Advanced success
Started	...
Astrometry.net job	9219071
PixInsight job	G41E9ZD0IFQV25BD0D3ODTVPW8DI5Z65
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	06h40m52s.39
RA (top/left)	06h44m07s.93
RA (top/right)	06h46m41s.66
RA (bottom/right)	06h37m34s.71
RA (bottom/left)	06h35m05s.84

Dec (center)	+09°55′15″.5
Dec (top/left)	+08°02′18″.5
Dec (top/right)	+11°23′08″.1
Dec (bottom/right)	+11°48′04″.6
Dec (bottom/left)	+08°26′58″.8

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Cone Nebula/Christmas Tree Cluster NGC2264

Cone Nebula/Christmas Tree Cluster NGC2264

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Cone Nebula/Christmas Tree Cluster NGC2264

Cone Nebula/Christmas Tree Cluster NGC2264

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