NGC 2903 (lucian_nicu)

Celestial hemisphere: Northern · Constellation: Leo (Leo) · Contains: NGC 2903

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NGC 2903

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NGC 2903

NGC 2903
[b].................[/b]
Discovered over 200 years ago by astronomer William Herschel, this galaxy is just over 30 million light-years away and can be seen during the spring nights in the constellation Leo. NGC 2903 is very similar to our galaxy in both size ( abt 100.000 light years diameter) and structure, with both galaxies being classified as "barred galaxies”. What makes it stand out (or not, in terms of popularity) is its position in night sky, being a "field galaxy" or solitary galaxy, meaning it is not part of a larger group of galaxies and is not affected by any external gravitational force, thus being gravitationally alone.
I think that, despite its "shy" position in deep space, this galaxy deserves a popular name, especially since it is not an impossible target, a focal length of 5-600 mm being able to bring out some details.
Anyway, I'm glad I had the opportunity to spend a few hours in such galactic company.
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Equipment and settings:
Mount: SW EQ6
Telescope: SW 150/750
Camera: ASI 533MC Pro
Integration: 5h30’
Stacking with DSS. Edit in Pixinsight.
Location: my Bortle 6+ backyard

N.I.N.A. Users

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	5557549
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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NGC 2903

NGC 2903

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NGC 2903

NGC 2903

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