M31 (Edward Overstreet)

Celestial hemisphere: Northern · Constellation: Andromeda (And) · Contains: 35 nu. And · Andromeda galaxy · Great Nebula in Andromeda · M 110 · M 31 · M 32 · NGC 205 · NGC 206 · NGC 221 · NGC 224 · The star νAnd

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M31

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M31

M31 Andromeda was taken in November 2015. This was one of my favorite "up" images taken in 2015. The conditions were perfect.....M31 was imaged with the best "seeing and atmospheric transparency conditions" I have experienced - in my front yard. I used 120 subs, 30 darks, 150 bias and 150 flat frames taken with a Nikon D800e (modded for HaAlpha and Heat Reductio) along with a F/4 400mm Nikon Lens on an Celestorn AVX EQ mount. With the F/4 aperture, the exposure times were 40 seconds (unguided) at ISO 1600. As you can see rich colors and loads of data managed it's way to my sensor. All of the images were then stacked, registered, calibrated and debayered using Pixinsight. Selective tonal, luminosity, and structural adjustments were completed in PS CC.

I am a sports photographer by profession and the lens used for this capture, NIkon F/4 200x400 was mounted using a vixen rail made for the lens by ADM. This glass is second to none and images taken in above average seeing are just drop dead perfect!

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	989250
PixInsight job	T8ZWA00HS6RCMTD00LRWDWT8GZ8HDA1X
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	00h42m44s.11
RA (top/left)	00h55m03s.31
RA (top/right)	00h33m37s.33
RA (bottom/right)	00h29m59s.39
RA (bottom/left)	00h52m23s.91

Dec (center)	+41°15′13″.9
Dec (top/left)	+40°06′08″.6
Dec (top/right)	+39°18′54″.7
Dec (bottom/right)	+42°19′13″.9
Dec (bottom/left)	+43°08′42″.6

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M31

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