NGC 3718 (Bogdan Borz)

Celestial hemisphere: Northern · Constellation: Ursa Major (UMa) · Contains: NGC 3718 · NGC 3729

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NGC 3718

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NGC 3718

NGC 3718 is one of the most photogenic galaxies in our "close" neighbourhood at around 48 mil l.y. in Ursa Major. It is a low surface brightness galaxy (which I firmly confirm after 22h from my Bortle 8 sky), surface brightness at 14,48 mag/am2 visual magnitude at 11. Its companion NGC 3729 is much farther away, at 65 mil l.y.

The processing was really tough, it took me a few days. Probably imaging such faint objects from my light polluted backyard in LRGB is too ambitious. It is a project I processed completely in Pixinsight.

Acquisition details (Gain 53/10 @ -20°) :

L 265 x 180s

R 61 x 180s

G 63 x 180s

B 57 x 180s

Dates : multiple nights between Mar 09 - Apr 12 2021

Broadband under Bortle 7/8/9
AAA : Astronomes et Astrographes Amateurs
Astrophotographes (France)
PixInsight Addicts
AstroBin Platform open discussions community forum
Light Polluted 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
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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
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Star trails
Northern lights
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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	4408810
PixInsight job	RNYYTCQI8YMHE4HVSNR9Y5LPPMDAVNSE
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	11h32m50s.767
RA (top/left)	11h32m55s.146
RA (top/right)	11h34m30s.406
RA (bottom/right)	11h32m46s.358
RA (bottom/left)	11h31m11s.577

Dec (center)	+53°04′12″.81
Dec (top/left)	+52°48′35″.92
Dec (top/right)	+53°08′45″.15
Dec (bottom/right)	+53°19′50″.80
Dec (bottom/left)	+52°59′36″.17

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NGC 3718

NGC 3718

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NGC 3718

NGC 3718

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