C49 Rosette nebula (Duane Melvin)

Celestial hemisphere: Northern · Constellation: Monoceros (Mon) · Contains: 12 Mon · LBN 941 · LBN 943 · LBN 948 · LBN 949 · LBN 951 · LDN 1625 · Monoceros · NGC 2237 · NGC 2238 · NGC 2239 · NGC 2244 · NGC 2246 · NGC 2252 · Rosette A · Rosette B · Rosette Nebula · Sh2-275 · The star 12Mon

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C49 Rosette nebula

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C49 Rosette nebula

Rosette nebula
5 subs at 360Sec 11-19-2021

72mm x 420mm 72ED Evostar APO Refractor for the main scope
Orion G26 - Color 26MP 16bit Camera APS-C sensor size cooled to -5C

Optolong L-Enhance Filter dual-band 6nm bandpasses
threaded on the front end of Orion 0.8x Field Flattener
and positioned inside the drawtube

Hand focusing using Bahtinov mask

EQ6R PRO mount

Polemaster NCP alignment system!

Synscan 1 star alignment and goto system was used exclusively only performed by hand
I.E. the target object was found using EQ6R PRO (skywatcher) hand-control only without
controllers via laptop (such as EQMOD, Stellarium, plate solving, point craft, NINA, etc)

Orion 80mm x 300mm refractor guide scope with Orion Starshoot Autoguider ST4 camera
direct to mount using ST4 cable and PHD2

SVbony heaters on flattener and main scope

APT for the image capture exposures, light plan, auto sequencing, etc

Deep Sky Stacker
PS final edits

My sister Donna participated in the entire process - start to finish to include
polar and star alignment, focusing, PHD2 guiding, image capture sequence, stacking, final edits.

Please note: The following tables are updated every 24 hours.

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	Advanced success
Started	...
Astrometry.net job	5240823
PixInsight job	JG4QYELZS4ID3H3CH7E8NJLWKIBJ1L7K
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	06h31m23s.90
RA (top/left)	06h38m51s.98
RA (top/right)	06h28m59s.99
RA (bottom/right)	06h23m53s.55
RA (bottom/left)	06h33m45s.53

Dec (center)	+05°02′22″.1
Dec (top/left)	+04°54′21″.4
Dec (top/right)	+06°48′41″.7
Dec (bottom/right)	+05°10′03″.5
Dec (bottom/left)	+03°16′00″.1

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C49 Rosette nebula

C49 Rosette nebula

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C49 Rosette nebula

C49 Rosette nebula

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