M86 & Markarian's Chain (Jerry Gerber)

Celestial hemisphere: Northern · Constellation: Virgo (Vir) · Contains: IC 3280 · IC 3303 · IC 3311 · IC 3344 · IC 3349 · IC 3355 · IC 3363 · M 84 · M 86 · NGC 4374 · NGC 4387 · NGC 4388 · NGC 4402 · NGC 4406 · NGC 4407 · NGC 4413 · NGC 4425 · NGC 4431 · NGC 4435 · NGC 4436 · NGC 4438 · NGC 4440 · The Eyes

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M86 & Markarian's Chain

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M86 & Markarian's Chain

Given the windy and foggy conditions of San Francisco, it's a miracle if I can get a few hours of imaging in once in a while. Getting 20 hour exposures is out of the question here as there are rarely more than 1 or 2 consecutive nights where imaging is feasible. I'm not complaining, just recognizing the facts of where I live. No wonder I am most likely going to go ahead with remote imaging. Dark skies are becoming like silver and gold, highly valuable and an increasingly rare "commodity". Of course in a culture that values wisdom and nature, dark sky preserves would also be growing in number worldwide. Let's hope they do.

In this rather below average image I've counted at least 18 galaxies. I consider it a work-in-progress as two hours in a Bortle 7 site with an OSC camera under windy conditions is not going to satisfy my evolving standards of what constitutes a good astrophotograph.

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	9643810
PixInsight job	AC33KK71E8FGWAUS2346KMTEFWXOPWG3
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	12h26m11s.20
RA (top/left)	12h27m59s.99
RA (top/right)	12h27m54s.47
RA (bottom/right)	12h24m21s.63
RA (bottom/left)	12h24m28s.19

Dec (center)	+12°55′33″.7
Dec (top/left)	+12°15′23″.2
Dec (top/right)	+13°36′36″.5
Dec (bottom/right)	+13°35′45″.9
Dec (bottom/left)	+12°14′30″.1

Image Index:

Contribution Index (beta):

M86 & Markarian's Chain

M86 & Markarian's Chain

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Contribution Index (beta):

M86 & Markarian's Chain

M86 & Markarian's Chain

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