NGC 4725

Celestial hemisphere: Northern · Constellation: Coma Berenices (Com) · Contains: HD111813 · HD111842 · HD111878 · NGC 4712 · NGC 4725 · NGC 4747

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NGC 4725

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NGC 4725

This image is one from the other week, when I first got my new camera. As many of you know, I had major vignetting issues due the filter-sensor ratio, and this particular image was very affected by this, and oddly there was a bright star, whose rays got caught within the edge of the vignetting and somehow cast a wide ray across part of the image! At least that is what I think was causing it. Anyway, after some battling, I managed to obtain this. I am not entirely happy with it, but I am on a learning curve and hopefully next time things will be better. I very much like this galaxy and hope to image it again with my new filters now in tow. I took 75 luminances, 25 reds, 25 greens and 25 blues, all at 2 minutes long each. This equals 5 hours integration time. I have one more image to post soon, but I think that will be it for a while because of the moon and wind at the moment. Hopefully the clear skies will last long enough, so I can get some more done soon. Thanks everyone...

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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
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	4445772
PixInsight job	28Q9SOPG4C8PULPXZ62UKA81R5AQ2RE7
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	12h50m41s.42
RA (top/left)	12h52m15s.50
RA (top/right)	12h52m24s.84
RA (bottom/right)	12h49m06s.63
RA (bottom/left)	12h48m58s.74

Dec (center)	+25°27′57″.5
Dec (top/left)	+24°55′14″.2
Dec (top/right)	+25°59′17″.3
Dec (bottom/right)	+26°00′45″.4
Dec (bottom/left)	+24°56′27″.2

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NGC 4725

NGC 4725

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Image Index:

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NGC 4725

NGC 4725

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