The Skull Nebula (Caldwell 49) (aka The Rosette Nebula) (Isaac Garfinkle)

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

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The Skull Nebula (Caldwell 49) (aka The Rosette Nebula)

Link: https://www.flickr.com/photos/141319583@N08/51839083649/

Powered byPixInsight

The Skull Nebula (Caldwell 49) (aka The Rosette Nebula)

Link: https://www.flickr.com/photos/141319583@N08/51839083649/

It’s 2020 and I think we can all agree that the “Skull Nebula” is much better name for this target. This data has been bugging me since I first processed it, but it was originally captured almost 10 months ago back in February 2020 (meaning this data is older than my son)! I never realllly felt like I did it justice, but everything in this version feels better from the color to the details to the noise levels. Sometimes you just need to take a (VERY long) break from something in order to do it right, and a fresh pair of eyes were just what the astro-doctor ordered in this case. All the processing was done in Pixinsight and Photoshop, with image acquisition done in Prism v10.

Image data:

Sky-Watcher Esprit 120

Starizona APEX-L 0.65x Focal Reducer

Dark Frame Optics StellarDrive AZ-EQ6

ZWO ASI1600mm-p

Astronomik 6nm Ha/Oiii/Sii Filters:

H-alpha = 600sec x 39

Oiii: 600sec x 32

Sii: 600sec x 38

Bortle 1-2 Skies

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Distribution of astrophotographers

This table shows the number of distinct astrophotographers who have been assigned and IOTD/TP award compared to the total number of images awarded.
	Distinct awarded users	Total awarded images
Image of the day
Top picks
Top pick nominations

Distribution of subject types

This table shows the distribution of awards per subject type, compared to the popularity of images of that subject type.
	Image of the day	Top pick	Top pick nominations	Total submitted
Deep sky
Solar system
Extremely wide field
Star trails
Northern lights
Noctilucent clouds
Landscape

Distribution of data sources

This table shows the distribution of awards per data source, compared to the popularity of images acquired from that data source.
	Image of the day	Top pick	Top pick nominations	Total submitted
Backyard
Traveller
Own remote observatory
Amateur hosting facility
Public amaeteur data
Professional, scientific grade data
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.
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	Basic success
Started	...
Astrometry.net job	4054002
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

Image Index:

Contribution Index (beta):

The Skull Nebula (Caldwell 49) (aka The Rosette Nebula)

The Skull Nebula (Caldwell 49) (aka The Rosette Nebula)

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Image Index:

Contribution Index (beta):

The Skull Nebula (Caldwell 49) (aka The Rosette Nebula)

The Skull Nebula (Caldwell 49) (aka The Rosette Nebula)

Equipment

Acquisition details

Description

Comments

Sky plot

Histogram

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