NGC 5170 (Frank Colosimo)

Celestial hemisphere: Southern · Constellation: Virgo (Vir) · Contains: NGC 5170

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NGC 5170

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NGC 5170

NGC 5170 is edge-on spiral galaxy about 96 million light-years away in the constellation Virgo. It has an apparent size of 9.9 x 1.2 arc minutes and shines at a mag 12.4. A prominent broad dark lane with mottled detail can be seen runing about three quarters of the length of the galaxy - most prominent against the bright core area. That core area shows the yellowish hue of old stars commonly found there, with the bluer outer arm regions showing the hue of hot young stars.

Date: Mar-Apr 2014 Processing Apr 6 2020

Location: New Ringgold PA

Optics: Hyperion f/8 12.5 inch, FL 2540 mm

Mount: Paramount ME

Camera: Apogee U8300

Guiding: ST-402 on Innovations Foresight On-Axis Guider, SharpLock focusing method

Exposure: LRGB: L:19x10min R:11x8 min, G:16x6 min, B:18x10 min for a total of 9.2 hrs. 64 subs at ave 519 sec

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

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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
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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	3389533
PixInsight job	V7N07YZKD17TVWRI2PGQHYN6ZWH3FZOX
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	13h29m49s.551
RA (top/left)	13h28m49s.991
RA (top/right)	13h30m15s.461
RA (bottom/right)	13h30m49s.780
RA (bottom/left)	13h29m23s.759

Dec (center)	-17°58′33″.16
Dec (top/left)	-18°01′17″.73
Dec (top/right)	-18°11′36″.46
Dec (bottom/right)	-17°55′46″.94
Dec (bottom/left)	-17°45′28″.86

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NGC 5170

NGC 5170

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NGC 5170

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