NGC 2264 – and a Host of Herbig-Haro Objects (Alex Woronow)

Celestial hemisphere: Northern · Constellation: Monoceros (Mon) · Contains: 15 S Mon · B39 · Christmas Tree Cluster · LBN 911 · LBN 912 · LBN 922 · LDN 1610 · LDN 1613 · NGC 2264 · Sh2-273 · The star 15Mon

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NGC 2264 – and a Host of Herbig-Haro Objects

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NGC 2264 – and a Host of Herbig-Haro Objects

NGC 2264 – and a Host of Herbig-Haro Objects

OTA:        RH-305 (12” f/3.5)
Camera:            SBIG STX-16803
Observatory:    Deep Sky West
EXPOSURES:
   Red:    18x600 seconds
   Blue:   15x600
   Green: 13x600
   Lum.:   16x600
   Ha:      5x1200
Total exposure = 9 hours

Image Width = 1.9 deg
Processed by Alex Woronow using PixInsight, Topaz, Aurora, SWT

I did two distinctly different versions of this image: one more along the traditional astro-image processing path (shown here as 'A') and one that I find more artistically appearing here as Image 'B'.Both images are downsampled from the original by a factor of 2.

Both started from the data above and involved estimating the pure Ha emission line content, separated from the continuum always present in Ha subs. The structure visible in the emission line far exceeds that found in the luminosity images, which were used only to fill in around the smaller stars of the Ha-line image. The Ha-line data then participated in the image both as an enhancement to the red (and blue through an estimate of the H-beta line) and as the luminosity channel. Basically, where Hs is an important image component, L is not useful. Unfortunately, in this case, I had no control over the image acquisition, and too little Ha was collected, and too much L was collected. But my resulting image makes the best of this situation, I feel.

Original
C

C

Title: Artistic Rendering

Uploaded: ...

Fine Art Astrophotography

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Status	Advanced success
Started	...
Astrometry.net job	5492661
PixInsight job	J7S6XKUA9T8XJ1I9GDX8NSVPVEP7CJ93
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	06h40m58s.21
RA (top/left)	06h44m41s.38
RA (top/right)	06h37m03s.94
RA (bottom/right)	06h37m16s.47
RA (bottom/left)	06h44m51s.11

Dec (center)	+09°53′23″.3
Dec (top/left)	+10°50′50″.0
Dec (top/right)	+10°48′06″.3
Dec (bottom/right)	+08°55′47″.7
Dec (bottom/left)	+08°58′30″.1

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NGC 2264 – and a Host of Herbig-Haro Objects

NGC 2264 – and a Host of Herbig-Haro Objects

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NGC 2264 – and a Host of Herbig-Haro Objects

NGC 2264 – and a Host of Herbig-Haro Objects

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