Outer Limits Galaxy - NGC 891 (James Hawks)

Celestial hemisphere: Northern · Constellation: Andromeda (And) · Contains: NGC 891

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Outer Limits Galaxy - NGC 891

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Outer Limits Galaxy - NGC 891

Outer Limits Galaxy - NGC 891, is an edge-on unbarred spiral galaxy about 30 million light-years away in the constellation Andromeda

Acquisition:
   Location: Queen Creek, AZ Bortle 7
   Date: 2021-10-(01, 02)
   Lights (Dithered, Cooled 0°C, Gain 0):
       51 x 500s gain 0 (39 + 12)
   Darks: 25
   Flats: 25
   Dark Flats: 25

Hardware:
   Camera: ZWO ASI 2600MC PRO
   Scope: Celestron EdgeHD 11"
   Focal Reducer: Celestron 0.7x
   Focuser: Feather Touch with Starizona Focus Motor
   Guide Camera: ZWO ASI 174mm mini
   Guide Scope: ZWO OAG
   Mount: GM2000 HPS II
   Filter: UV-IR Cut Window

Software:
   SGP
   PHD2
   APP
   Pixinsight
   Photoshop

Processing:
   Stacked in APP
   Initial Stretch and adjustments in Pixinsight
   Gradient removal using AstroFlat Pro
   Star removal using StarXterminator
   Camera Raw Filter in Photoshop
   Topaz Labs DeNoise

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N.I.N.A. Users

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	5165394
PixInsight job	UHJUF4BPAJS4112P34KKMVDZ2I2ENOYK
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	02h22m33s.183
RA (top/left)	02h23m25s.817
RA (top/right)	02h23m27s.620
RA (bottom/right)	02h21m39s.922
RA (bottom/left)	02h21m39s.258

Dec (center)	+42°20′22″.22
Dec (top/left)	+42°02′41″.78
Dec (top/right)	+42°37′54″.58
Dec (bottom/right)	+42°38′03″.10
Dec (bottom/left)	+42°02′49″.20

Image Index:

Contribution Index (beta):

Outer Limits Galaxy - NGC 891

Outer Limits Galaxy - NGC 891

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Acquisition details

Description

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Image Index:

Contribution Index (beta):

Outer Limits Galaxy - NGC 891

Outer Limits Galaxy - NGC 891

Equipment

Acquisition details

Description

Comments

Sky plot

Histogram

In these public groups

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