NGC 404 (Gary Imm)

Celestial hemisphere: Northern · Constellation: Andromeda (And) · Contains: 43 bet And · Mirach · NGC 404 · PGC 2070452 · PGC 3088484 · The star Mirach (βAnd)

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NGC 404

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NGC 404

This object is a dwarf lenticular galaxy located just 8 million light years away in the constellation of Andromeda at a declination of +36 degrees. The galaxy spans 7 arc-minutes in our apparent view, which corresponds to a diameter of only 20,000 light years. This galaxy is the nearest lenticular galaxy to us.

This galaxy lies only 8 arc-minutes away from the bright 2nd magnitude orange/yellow star Beta Andromedae, better known as Mirach. For this reason, the galaxy is sometimes called "Mirach's Ghost".

Processing this image of a galaxy located so close to a very bright star was almost an impossible task because of the bright star reflections. In fact, I decided against processing it until I saw Robert Eder's excellent Astrobin image. I then worked to fix the bright star issues, although I am not thrilled with the result. I had to make the image dark to hide the ugly artifacts. But, despite the problems, it is image of an interesting object that I did not have before, so I decided to post it anyway.

A tiny star is visible immediately adjacent to Mirach at 12 o'clock. It seems like this would be a Mirach companion, but I could not confirm that.

ZWO ASI183/QHY183
The refractors!
Cloudy Nights
Takahashi Refractors

Hidden Treasures Catalog (Complete*)
Lenticular Galaxies

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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
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Star trails
Northern lights
Noctilucent clouds
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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	3032588
PixInsight job	9Y2V1Y2JVBGPD2M5EILM7XMYVW498EID
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	01h09m35s.110
RA (top/left)	01h07m41s.287
RA (top/right)	01h09m30s.890
RA (bottom/right)	01h11m28s.156
RA (bottom/left)	01h09m39s.980

Dec (center)	+35°40′31″.12
Dec (top/left)	+35°52′19″.82
Dec (top/right)	+35°14′37″.43
Dec (bottom/right)	+35°28′35″.68
Dec (bottom/left)	+36°06′24″.87

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NGC 404

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