NGC 404 The ghost of Mirach (Frank Colosimo)

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

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NGC 404 The ghost of Mirach

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NGC 404 The ghost of Mirach

NGC 404 is a small lenticular galaxy located about 10 million light years away in the constellation Andromeda. NGC 404 lies just beyond the Local Group but does not appear gravitationally bound to it. It is notable for being within 7 arc-minutes of second magnitude star Mirach, making it a difficult target to observe or photograph and granting it the nickname "Mirach's Ghost".

Mirach is a red giant with an average apparent visual magnitude of 2.05, which makes it the brightest star in the constellation. It is located at a distance of roughly 197 light-years from Earth.

Date: Oct 11,12,17,18 2012 Processed Dec 2018

Location:Blue Mountain Vista Observatories, New Ringgold PA

Optics: Hyperion 12.5 inch f/9 2532mm focal length

Mount: Paramount ME

Camera/Filters: SBIG STL 11000 camera Baader filters

Guiding: Self-guided

Exposure: L Unbinned: 13x5 minutes, Color 2x2bin: R:9x4 min G:10x4 min B:9x5 min.

Total exposure: 3 hours (41 subs at avg of 272 sec)

Processing: Image acquisition using CCD Autopilot. Initial processing was done using Maxim DL with subsequent processing using Photoshop.

Northeast Imagers
Cloudy Nights

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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
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	Image of the day	Top pick	Top pick nominations	Total submitted
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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
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Public amaeteur data
Professional, scientific grade data
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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	2437787
PixInsight job	5Q4ZAKOGKOOZW67FUSYWZTY682UJGLKY
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	01h09m31s.660
RA (top/left)	01h11m03s.558
RA (top/right)	01h09m12s.310
RA (bottom/right)	01h07m58s.426
RA (bottom/left)	01h09m49s.959

Dec (center)	+35°40′36″.12
Dec (top/left)	+35°37′11″.10
Dec (top/right)	+35°59′18″.33
Dec (bottom/right)	+35°43′56″.83
Dec (bottom/left)	+35°21′53″.87

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NGC 404 The ghost of Mirach

NGC 404 The ghost of Mirach

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NGC 404 The ghost of Mirach

NGC 404 The ghost of Mirach

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