Rosette Nebula (NGC 2237) (Miles Zhou)

Celestial hemisphere: Northern · Constellation: Monoceros (Mon) · Contains: NGC 2237 · NGC 2238 · NGC 2239 · NGC 2246 · NGC 2252 · Rosette A · Rosette B · Rosette Nebula · The star 12 Mon

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Rosette Nebula (NGC 2237)

Link: http://orianhealth.com/mediawiki/index.php?title=File:RosetteNSP.jpg

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Rosette Nebula (NGC 2237)

Link: http://orianhealth.com/mediawiki/index.php?title=File:RosetteNSP.jpg

Andromeda Nebula taken by NSP of Xingming Observatory, in combination with Mr. Maosheng Chen's originals (detailed below).

Exposure Total 46x180s at ISO 800; from which, 24 are acquired by Maosheng Chen. Thanks for Maosheng's generous offer of the raw files.

Processing IRIS: Stacking; two baches separately stacked, and added by an optimized ratio as discussed in Stacking_of_Two_Images (http://orianhealth.com/mediawiki/index.php?title=Stacking_of_Two_Images).

MaximDL: MaximDL generates two layers: the nebulocity and star layers. Nebulocity layer: Erode (3x3) --> DDP --> Gaussion (1.5) Star layer: A simple stretch

PS: Blending the nebulocity and star layers by Ligher; and a high pass layer blended by Overlay. Finally, some final touch (Color balance, brightness and contrast).

Two PS operations greatly improved the quality

1. High-pass layer blended by overlay (or alternatively, by Soft Light or other lightening blending modes)

2. Gaussion blur on the nebulocity layer.

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	Basic success
Started	...
Astrometry.net job	6883576
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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Rosette Nebula (NGC 2237)

Rosette Nebula (NGC 2237)

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Image Index:

Contribution Index (beta):

Rosette Nebula (NGC 2237)

Rosette Nebula (NGC 2237)

Equipment

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Description

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