Rosette in HaRGB (klaussius)

Celestial hemisphere: Northern · Constellation: Monoceros (Mon) · Contains: 12 Mon · HD258301 · HD258335 · HD258403 · HD258429 · HD258469 · HD258493 · HD258494 · HD258527 · HD258559 · HD258590 · HD258591 · HD258660 · HD258690 · HD258756 · HD258829 · HD258830 · HD258859 · HD258922 · HD258984 · HD259012 · HD259013 · HD259051 · HD259105 · HD259134 · HD259135 · HD259171 · HD259210 · HD259238 · HD259267 · And 54 more.

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Rosette in HaRGB

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Rosette in HaRGB

This is my second attempt at the Rosette.

This time, in HaRGB. My location has way too much light pollution to make it viable in RGB alone, not to mention christmas lights right next to the rig (ouch), but Ha really makes it shine.

Actually, more like HaGB. There was minimal red capture, only to do linear fitting of the Ha.

For the same reason, the color data gave me lots of headaches.

I think I need more data, but I'm going to make a hiatus on the Rosette for the moment because I need to refine my technique before going deeper.

The Rosette is an H II region in Monoceros, near Orion. NGC 2244, the open cluster in the middle of it, is its most distinctive feature. You can see NGC 2244 with binoculars or a finder scope, so it isn't hard to find. That same cluster, in particular the bigger stars in it, are rsponsible for blowing the surrounding gas and creating those awesome patterns.

The nebula itself, though, also known as Caldwell 49, is quite fainter and at least from my location completely invisible in visual.

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	Image of the day	Top pick	Top pick nominations	Total submitted
Backyard
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Mix of multiple sources
Other
Unknown

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.

Submitted The date and time when you submitted this image for IOTD/TP consideration.	...
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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Status	Advanced success
Started	...
Astrometry.net job	4079629
PixInsight job	5KHN06FPJR4O1P38AJXO2EWVE98DLSUE
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	06h32m11s.21
RA (top/left)	06h35m11s.32
RA (top/right)	06h29m44s.85
RA (bottom/right)	06h29m11s.24
RA (bottom/left)	06h34m37s.14

Dec (center)	+04°56′23″.1
Dec (top/left)	+05°21′14″.4
Dec (top/right)	+05°32′30″.6
Dec (bottom/right)	+04°31′28″.10
Dec (bottom/left)	+04°20′15″.9

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Rosette in HaRGB

Rosette in HaRGB

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Image Index:

Contribution Index (beta):

Rosette in HaRGB

Rosette in HaRGB

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