Rosette Nebula (Caldwell 49) (Lalanke Karunaratne)

Celestial hemisphere: Northern · Constellation: Monoceros (Mon) · Contains: 12 Mon · 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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Rosette Nebula (Caldwell 49)

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Rosette Nebula (Caldwell 49)

The Rosette Nebula, aka Caldwell 49, is a beautiful object we can capture using a wide FOV telescope.

It does have a cluster and lie at a distance of 5000 light-years. The diameter is roughly 130 light-years and does have 10,000 solar mass.

Used Hubble palette colors to process the image.

Captured using following equipments.

Telescope: William Optics Z61 (369 focal length)

Main Camera: ZWO ASI1600MM Pro

Mount: EQ6 R Pro

Guide Scope: William Optics 32mm

Guide Camera: ZWO ASI120MM-S

Filters: Narrowband 3nm Chroma SHO

Accessories: ZWO EFW and ASI Air Pro.

Image Stacker: Deep Sky Stacker

Post Processed: PixInside & DeNoiceAI

Tweaked: Adobe Photoshop

Total 7 days of image sessions.

Bortal sky 8/9 (Los Angeles : SoCal)

Ha 3nm: 15*600s Gain 100

Ha 3nm: 40*300s Gain 100

O3 3nm:10*600s Gain 50

O3 3nm: 40*300s Gain 100

S2 3nm: 12*600s Gain 50

S2 3nm: 40*300s Gain 100

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	4563909
PixInsight job	Q5W4PR1EVA4720RGM6J7POIQDCYLWX95
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	06h32m40s.11
RA (top/left)	06h38m44s.10
RA (top/right)	06h29m43s.57
RA (bottom/right)	06h26m35s.60
RA (bottom/left)	06h35m35s.67

Dec (center)	+04°54′03″.6
Dec (top/left)	+05°12′47″.5
Dec (top/right)	+06°15′37″.5
Dec (bottom/right)	+04°35′04″.5
Dec (bottom/left)	+03°32′25″.0

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Rosette Nebula (Caldwell 49)

Rosette Nebula (Caldwell 49)

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Image Index:

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Rosette Nebula (Caldwell 49)

Rosette Nebula (Caldwell 49)

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