NGC 2264 - Christmas Tree Cluster in SHO of course (Aaron Freimark)

Celestial hemisphere: Northern · Constellation: Monoceros (Mon) · Contains: 15 S Mon · B39 · Christmas Tree Cluster · NGC 2259 · NGC 2264 · PK201+02.1 · Sh2-273 · The star 15Mon

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NGC 2264 - Christmas Tree Cluster in SHO of course

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NGC 2264 - Christmas Tree Cluster in SHO of course

This is — nobody will be surprised — the Christmas Tree Cluster. It is visible only around December 25, plus or minus three months. :-)

Last night was finally clear enough to complete this image in time for Santa. My version has false colors (nebula aren't often green) but is especially festive. The SHO palette has never been more appropriate.

Process — which leans heavily on Darkarchon's EZ Processing Suite:

1. WeightedBatchProcessing, Subframe Selector, Star Alignment, Local Normalization, Image Integration, Drizzle Integration, Dynamic Crop

2. EZ Decon on Ha

3. EZ Denoise

4. EZ Soft Stretch

5. EZ Star Reduction on SII to reduce bloat

6. Histogram Transformation to brighten SII & Ha

7. PixelMath to combine grayscale narrowband images to SHO

8. EZ Star Reduction

9. SCNR 50% to reduce massive green to a hint of green

10. Curves Transformation to darken low L, boost colors, and diminish saturation

INDI Users
Mid-Hudson Astronomical Association (MHAA)
Northeast Imagers

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The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

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Views by Submitters (available since September 19th, 2023) Every image is assigned to 50% of available Submitters. In the event that at least 80% of them don't view the image before its time in the IOTD/TP process expires, it's assigned to the other 50% of Submitters and the process begins anew.
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Promotions by Reviewers When 3 distinct Reviewers promote the image, it moves on to the next stage of the process: evaluation for IOTD status.
Early dismissal Staff members have a lot of images to inspect on a daily basis, and they can dismiss images if they believe they don't meet the requirements for IOTD/TP selection. If an image is dismissed 5 times, it's removed from the process. This streamlines the process and ensures that any bias present in promotions could be overruled by other staff members.

Status	Advanced success
Started	...
Astrometry.net job	4109797
PixInsight job	5XI5YS3CN99WF9TQI0VMT18F523DI58R
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	06h40m52s.12
RA (top/left)	06h38m28s.47
RA (top/right)	06h44m46s.25
RA (bottom/right)	06h43m16s.97
RA (bottom/left)	06h36m57s.16

Dec (center)	+10°03′59″.4
Dec (top/left)	+08°45′55″.7
Dec (top/right)	+09°00′26″.9
Dec (bottom/right)	+11°21′57″.8
Dec (bottom/left)	+11°07′12″.8

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NGC 2264 - Christmas Tree Cluster in SHO of course

NGC 2264 - Christmas Tree Cluster in SHO of course

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NGC 2264 - Christmas Tree Cluster in SHO of course

NGC 2264 - Christmas Tree Cluster in SHO of course

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