NGC 4725 (Ron Stanley)

Celestial hemisphere: Northern · Constellation: Coma Berenices (Com) · Contains: HD111813 · NGC 4725

Powered byPixInsight

NGC 4725

Powered byPixInsight

NGC 4725

NGC 4725 is a barred spiral galaxy located about 40 million light-years away in the constellation Coma Berenices. Unlike our Milky Way galaxy with multiple spiral arms, NGC 4725 has a unique structure with only one prominent arm winding out from a central ring. This single arm is packed with young, blue star clusters and reddish star-forming regions, while the yellowish central bar features an older stellar population.

This galaxy is classified as an intermediate spiral due to its arm structure and the presence of a weak to moderate bar. Interestingly, NGC 4725 is also considered a double-barred spiral, a characteristic shared by roughly a third of all barred spirals. The galactic disk is tilted at an angle of 46 degrees relative to our line of sight, offering us a good view of its internal structure.

At the heart of NGC 4725 lies a bright nucleus, suspected to harbor a supermassive black hole. This galactic center is likely quite active, influencing the galaxy's environment and potentially contributing to the warping observed in its spiral arm. NGC 4725 is the brightest member of the Coma I Group, a collection of galaxies within the Coma-Sculptor Cloud. However, it's relatively isolated from its neighbors, adding to its unique characteristics. Astronomers believe NGC 4725 might be interacting with another nearby spiral galaxy, NGC 4747, which could explain some of the distortions observed in its structure.

Original
Final
C

Cloudy Nights
QHY Users Group
Ritchey Chretien telescopes GSO Family
QHY294M Pro/ASI294MM Pro

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	9566614
PixInsight job	68R7NT2W7UBT78FWFJ4YZHVDG90PYX8S
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	12h50m52s.518
RA (top/left)	12h49m40s.848
RA (top/right)	12h52m01s.791
RA (bottom/right)	12h52m04s.354
RA (bottom/left)	12h49m42s.986

Dec (center)	+25°29′30″.14
Dec (top/left)	+25°19′32″.83
Dec (top/right)	+25°18′43″.33
Dec (bottom/right)	+25°39′25″.48
Dec (bottom/left)	+25°40′15″.70

Image Index:

Contribution Index (beta):

NGC 4725

NGC 4725

Equipment

Acquisition details

Description

Comments

Revisions

Sky plot

Histogram

In these public groups

		...
You have no new notifications.

Image Index:

Contribution Index (beta):

NGC 4725

NGC 4725

Equipment

Acquisition details

Description

Comments

Revisions

Sky plot

Histogram

In these public groups

Notifications

AstroBin is in READ ONLY mode

Sorry :-(

Sorry :-(

Sorry :-(

Are you really sure?

Warning!

Warning!

Are you sure?

Report abuse

Slideshow settings

IOTD/TP stats (last [x] days)

Distribution of astrophotographers

Distribution of subject types

Distribution of data sources

Sorry

Sorry

Share

Upload new revision

Upload uncompressed source (XISF/FITS/PSD/TIFF)

Delete image and all its revisions?

Delete original image?

Delete all other versions?

Delete all revisions?

Delete this revision?

IOTD/TP stats

The following people like this image

The following people bookmarked this image

Warning

Flag malfunctioning thumbnails

Contains

Remove yourself as a collaborator

Plate-solving information