NGC 6868 Galaxy Cluster in Telescopium in RGB (Ian Parr)

Celestial hemisphere: Southern · Constellation: Telescopium (Tel) · Contains: IC 4943 · NGC 6861 · NGC 6868 · NGC 6870

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NGC 6868 Galaxy Cluster in Telescopium in RGB

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NGC 6868 Galaxy Cluster in Telescopium in RGB

NGC 6868 is a Elliptical Galaxy located in the constellation of Telescopium. Its distance from Earth is 111,219,324.79 light years. It has an apparant magnitude of 9.22 and a Size of 3'04 x 02'23 arcminutes and is the dominant galaxy in the rich Telescopium Galaxy Cluster. Xray observations with Chandra telescope suggest that NGC 6868 along with the second brigntest galaxy in this field NGC 6861 to the right , are each the dominant galaxies in a galaxy subgroup about to merge.

The beautiful spiral galaxy NGC 6870 of magnitude 11.76 is just above NGC 6868.

Not very deep but at 3 minutes the extra dithered subs provides a happy balance when trying to extract detail which is often improved by lowering the brightness of the galaxies themselves so any extra exposure time may well pull fainter background galaxies, but exacerbate local light pollution issues and may not provide any more information on the dominant objects in thes field.

Of course under a darker sky and with a lot more time I would happily go deeper.

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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
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	Basic success
Started	...
Astrometry.net job	8460084
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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NGC 6868 Galaxy Cluster in Telescopium in RGB

NGC 6868 Galaxy Cluster in Telescopium in RGB

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Image Index:

Contribution Index (beta):

NGC 6868 Galaxy Cluster in Telescopium in RGB

NGC 6868 Galaxy Cluster in Telescopium in RGB

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