Arp 40 (Gary Imm)

Celestial hemisphere: Northern · Constellation: Canes Venatici (CVn) · Contains: IC 4271

Arp 40

This Astrobin Debut Object is a tiny pair of spiral galaxies located in the constellation of Canes Venatici at a declination of +37 degrees. This is one of the smallest Arp objects in our apparent view, spanning about 30 arc-seconds (smaller than Jupiter).

The grand design spiral galaxy is IC 4271. This magnitude 16 object is one of the furthest Arp objects away, at 800 million light years. It has a Milky Way like diameter of 130,000 light years.

No distance information is available for the second galaxy. Since I don’t see any obvious signs of disturbance, I assume that these 2 are not close enough to be interacting. It is not clear to me which of these 2 is the closer galaxy.

This galaxy was classified by Dr. Arp into the category of Spiral Galaxies with Low Surface Brightness Companions on Arms. As I stated above, I don’t believe that these galaxies are companions. I am disappointed in the quality of the Arp image, which looks to me like it has artifacts.

Original
D

D

Description: Comparison to Original Arp Image

Uploaded: ...

Texas Astronomy
Images from the EdgeHD Series
Unique or Unusal Deep Sky Targets
ZWO ASI294MM Pro Images
CMOS Imagers
Cloudy Nights
Arp's Peculiar Galaxies
First on Astrobin
Schmidt-Cassegrain Telescope (SCT) Imagers
Rarely Imaged Small DSOs

Arp Catalog (Complete)
Astrobin Debuts (670 DSOs)

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	4437572
PixInsight job	30W1ZELGB4A9239LT8MII2HSLYG51PJA
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	13h29m21s.281
RA (top/left)	13h30m07s.904
RA (top/right)	13h28m34s.420
RA (bottom/right)	13h28m34s.802
RA (bottom/left)	13h30m07s.985

Dec (center)	+37°24′50″.25
Dec (top/left)	+37°32′42″.60
Dec (top/right)	+37°32′38″.93
Dec (bottom/right)	+37°16′57″.46
Dec (bottom/left)	+37°17′00″.46

Image Index:

Contribution Index (beta):

Arp 40

Arp 40

Equipment

Acquisition details

Description

Comments

Revisions

D

Sky plot

Histogram

In these public groups

In these collections

		...
You have no new notifications.

Image Index:

Contribution Index (beta):

Arp 40

Arp 40

Equipment

Acquisition details

Description

Comments

Revisions

D

Sky plot

Histogram

In these public groups

In these collections

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