The Whale, The Pup, and The Crowbar (KTAZ)

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

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The Whale, The Pup, and The Crowbar

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The Whale, The Pup, and The Crowbar

The Whale Galaxy is a barred spiral galaxy located at an approximate distance of 30 million light years in the constellation Canes Venatici. It has been nicknamed the Whale because of its elongated, slightly triangular shape that resembles the profile of the whale. The smaller galaxy on its "back" is often referred to as The Pup.

NGC 4656/57 is a highly warped barred spiral galaxy located in the constellation Canes Venatici and is sometimes informally called the Hockey Stick Galaxies or the Crowbar Galaxy. Its unusual shape is thought to be due to an interaction between NGC 4656, NGC 4631, and NGC 4627.

It is my first image in many months as I worked my way through several mount challenges. Several "firsts" include: my first image with the new Stellarvue SVX102T; my first time using a NB filter and attempting to combine both Ha and OIII into a OSC image. I am still working on the combination method, and certainly know that NB affect on galaxies can be limited, but this turned out pretty well IMHO!

Enjoy.

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	5768058
PixInsight job	MG95VUDO3RREL822VXMT70HL3170GOSK
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	12h42m51s.79
RA (top/left)	12h46m28s.10
RA (top/right)	12h40m03s.63
RA (bottom/right)	12h39m17s.12
RA (bottom/left)	12h45m37s.94

Dec (center)	+32°20′50″.3
Dec (top/left)	+32°39′18″.8
Dec (top/right)	+32°54′55″.1
Dec (bottom/right)	+32°01′59″.5
Dec (bottom/left)	+31°46′28″.3

Image Index:

Contribution Index (beta):

The Whale, The Pup, and The Crowbar

The Whale, The Pup, and The Crowbar

Equipment

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Sky plot

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Image Index:

Contribution Index (beta):

The Whale, The Pup, and The Crowbar

The Whale, The Pup, and The Crowbar

Equipment

Acquisition details

Description

Comments

Sky plot

Histogram

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