Caldwell 49 - Rosette Nebula (Graham Conaty)

Celestial hemisphere: Northern · Constellation: Monoceros (Mon) · Contains: 12 Mon · NGC 2237 · NGC 2238 · NGC 2239 · NGC 2244 · NGC 2246 · Rosette A · Rosette B · Rosette Nebula · Sh2-275 · The star 12Mon

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Caldwell 49 - Rosette Nebula

Link: https://www.grahamconaty.com/caldwell-49-rosette-nebula-sho

Powered byPixInsight

Caldwell 49 - Rosette Nebula

Link: https://www.grahamconaty.com/caldwell-49-rosette-nebula-sho

An alternative edit to my previous image of the Rosette Nebula.

Captured on 24 December 2020 using the Telescope Live CHI-4 astrograph located at the El Sauce Observatory in the Rio Hurtado Valley, Chile, South America the final result comprises 2hrs of total integration and was post processed using colours which are more commonly referred to as The Hubble Palette, or SHO.

Named after the famous Hubble Space Telescope's Pillars of Creation (see profile picture), this palette maps Sulphur-II to Red, Hydrogen-Alpha to Green and Oxygen-III to Blue, with no special combinations in any channel.

There are endless possibilities on how to combine different colours representing different elements, and often the assigned colours represent wavelengths that are outside the visible spectrum. The Pillars of Creation image, however, set a standard for colour mapping that is now widely copied, including by myself

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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.

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.
Promotions by Submitters When 3 distinct Submitters promote the image, it moves on to the next stage of the process: evaluation for Top Pick status. This requirement, in addition to anonymization of images and distribution to only a subset of them, prevents biases and ensures that the best images are selected.
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	4256393
PixInsight job	8VPO83PND0LS5YPQP9IXA4KMR7X5LQHN
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	06h31m54s.696
RA (top/left)	06h29m42s.970
RA (top/right)	06h29m46s.930
RA (bottom/right)	06h34m06s.245
RA (bottom/left)	06h34m03s.403

Dec (center)	+05°01′27″.27
Dec (top/left)	+05°33′27″.18
Dec (top/right)	+04°28′36″.32
Dec (bottom/right)	+04°29′23″.53
Dec (bottom/left)	+05°34′12″.91

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Caldwell 49 - Rosette Nebula

Caldwell 49 - Rosette Nebula

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Caldwell 49 - Rosette Nebula

Caldwell 49 - Rosette Nebula

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