Markarian's Chain (GIANNI MELIS)

Celestial hemisphere: Northern · Constellation: Virgo (Vir) · Contains: 14.82 · 464 Megaira · HD108137 · HD108348 · HD108560 · HD108614 · HD108915 · IC 3280 · IC 3303 · IC 3305 · IC 3311 · IC 3331 · IC 3344 · IC 3349 · IC 3355 · IC 3358 · IC 3363 · IC 3381 · IC 3382 · IC 3388 · IC 3393 · IC 794 · M 84 · M 86 · M 87 · NGC 4371 · NGC 4374 · NGC 4387 · NGC 4388 · NGC 4402 · And 24 more.

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Markarian's Chain

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Markarian's Chain

My first shot of the chain of galaxies.. The selection of usable lights for stacking didn't seem to be enough. 6 hours in an evening with a less than perfect sky led to only 106 60" lights to stack. But pixinsight gave me an appreciable final result. But how many galaxies are reflected in my mirror!? How many photons to convert into electric charges? The pixels of my zwo Asi 2600 light up with joy at the sight of this galactic spectacle!! The combination of a very short focal length with an 11" mirror brings me to a resolution that drastically reduces exposure times. Below is a crop of the main image, in my opinion the most beautiful portion of the whole painting.

Duo-band, Tri-band, and Quad-band Imaging
ZWO ASI 2600MC PRO
HyperStar Lens Astrophotography
Schmidt-Cassegrain Telescope (SCT) Imagers
Images from the EdgeHD Series

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	9717910
PixInsight job	N57NRF8NDZI6NAIVX69M2IYYM42O8ISY
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	12h27m43s.86
RA (top/left)	12h24m08s.99
RA (top/right)	12h24m34s.79
RA (bottom/right)	12h31m21s.58
RA (bottom/left)	12h30m52s.21

Dec (center)	+12°50′55″.7
Dec (top/left)	+11°39′07″.1
Dec (top/right)	+14°07′03″.5
Dec (bottom/right)	+14°02′39″.2
Dec (bottom/left)	+11°34′54″.9

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Markarian's Chain

Markarian's Chain

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Markarian's Chain

Markarian's Chain

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