Galaxy cluster between Coma Berenices and Virgo: A 16-panel mosaic between M60 and M100 (Manuel Peitsch)

Galaxy cluster between Coma Berenices and Virgo: A 16-panel mosaic between M60 and M100

This is a 16-panel mosaic of the region around Markarian's chain covering the southern part of Coma Berenices and the northern part of Virgo. All panels (15% overlap) are the results of 30x120s subs taken with the Optolong L-pro filter (520mm; f/2.2). This mosaic is built by expanding the one in https://www.astrobin.com/9hhqcd/ to include the region around Messier 60. The original image is 21597x13803 px and was slightly cropped to fit into AB.

I reviewed each of the additional panels for the presence of asteroids, with ASTAP and could visually verify the presence of 26 new asteroids (of which 3 in t he outer main belt), which are in addition to the 78 captured in the original 12 panels. The list of these observations can be seen in the list linked below (lines 774 to 799):

https://docs.google.com/spreadsheets/d/1Eg-f0HcjWgDo7eOjHNHnwb4ilSKBQYMFaR2tf2ddpEg/edit?usp=sharing

There are of course many more asteroids in this region with magnitudes larger than 19, but I could not actually see their traces in the individual panels.

Deep Sky Mosaics
Optolong L-Pro filter
Imagers of Switzerland
Messier Objects
HyperStar Lens Astrophotography
ZWO ASI 2600MC PRO
Asteroids
Imaged with APT
Images from the EdgeHD Series

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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 failed
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Astrometry.net job	5656635
PixInsight job	n/a
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