Whale (NGC 4631, C32) and Hockey Stick or Crowbar (NGC 4656) Galaxies (Greg Erianne)

Celestial hemisphere: Northern · Constellation: Canes Venatici (CVn) · Contains: NGC 4627 · NGC 4631 · NGC 4656 · NGC 4657 · Whale Galaxy

Powered byPixInsight

Whale (NGC 4631, C32) and Hockey Stick or Crowbar (NGC 4656) Galaxies

Powered byPixInsight

Whale (NGC 4631, C32) and Hockey Stick or Crowbar (NGC 4656) Galaxies

The Whale Galaxy (NGC 4631) is a large, edge-on, spiral galaxy about 25 million light-years away in the constellation Canes Venatici. Its peculiar shape explains the nickname. This is really a beautiful galaxy, with lots of colors and star forming regions like the starburst seen at its center. It has a halo of hot, glowing gas that can be seen in X-ray images. The other galaxy just above the Whale Galaxy in the photo is a small elliptical galaxy (NGC 4627) with several nicknames, including the Hockey Stick, the Crowbar, the Hook, and the Hummingbird. If you look closely, you can see a faint star stream, presumed to be the remains of small companion galaxies left over from encounters with the Whale Galaxy long ago.Capture Date: 4/7/23Askar 107PHQ
ASI2600MC Pro (OSC camera)
ZWO AM5 mount with guiding via ASIAir Plus using an ASI178mm mini and a 60mm F4 guide scope
Light Frames [Total Exposure 2:05] - Antlia Triband Ultra RGB filter -- 300s x 25 framesAll light frames calibrated with dark, flat, and bias frames
Pre- and post-processed in PixInsight
Additional post-processing in Photoshop for exposure adjustments and generation of jpeg

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	7794266
PixInsight job	0AO3YCFME7KO7J9DQI6N9AY4DOXZAUST
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	12h43m00s.45
RA (top/left)	12h45m33s.11
RA (top/right)	12h40m31s.22
RA (bottom/right)	12h40m28s.89
RA (bottom/left)	12h45m28s.84

Dec (center)	+32°21′21″.0
Dec (top/left)	+32°39′49″.4
Dec (top/right)	+32°40′59″.4
Dec (bottom/right)	+32°02′40″.10
Dec (bottom/left)	+32°01′30″.2

Image Index:

Contribution Index (beta):

Whale (NGC 4631, C32) and Hockey Stick or Crowbar (NGC 4656) Galaxies

Whale (NGC 4631, C32) and Hockey Stick or Crowbar (NGC 4656) Galaxies

Equipment

Acquisition details

Description

Comments

Sky plot

Histogram

		...
You have no new notifications.

Image Index:

Contribution Index (beta):

Whale (NGC 4631, C32) and Hockey Stick or Crowbar (NGC 4656) Galaxies

Whale (NGC 4631, C32) and Hockey Stick or Crowbar (NGC 4656) Galaxies

Equipment

Acquisition details

Description

Comments

Sky plot

Histogram

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?

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