Messier 100 (Georg N. Nyman)

Celestial hemisphere: Northern · Constellation: Coma Berenices (Com) · Contains: M 100 · NGC 4321 · NGC 4322 · NGC 4323 · NGC 4328

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Messier 100

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Messier 100

Messier 100 is a rather large starburst Galaxy, located in the constellation Coma Berenices in the Northern Skies. Its distance to Earth is still a matter of different opinions, the most likely is about 55 Mio LJ, based on the redshift but other methods indicate up to 68 Mio LJ. Its diameter is about 120.000 LJ, about the size of the MilkyWay. The galaxy is gravitationally interacting with two small galaxies in the vicinity . NGC4323 and 4328 and is linked with them with a very weak light brigde. In its center, one sees a very intensive star formation activity.
M100 is part of the Virgo Supercluster, located quite far aways from the center.
I grabbed the raw files from Telescope Live - they were taken on an excellent telescope but only with a FLI-PL16803 camera which means, that quite a lot of details which the optics would have been able to deliver was not transformed into the raw files due to the large pixel size and other limitations of that camera system. Therefore I am planning to image it myself in the upcoming spring because that is the best time for me to get it with modernn CMOS camera.

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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	Advanced success
Started	...
Astrometry.net job	8804382
PixInsight job	UHEKP3VT7MW3F1MEXP7ZZZB61NOHEXA1
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	12h22m53s.180
RA (top/left)	12h23m28s.450
RA (top/right)	12h22m15s.637
RA (bottom/right)	12h22m17s.979
RA (bottom/left)	12h23m30s.285

Dec (center)	+15°49′44″.81
Dec (top/left)	+15°58′43″.73
Dec (top/right)	+15°58′10″.52
Dec (bottom/right)	+15°40′46″.31
Dec (bottom/left)	+15°41′19″.27

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Messier 100

Messier 100

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Image Index:

Contribution Index (beta):

Messier 100

Messier 100

Equipment

Acquisition details

Description

Comments

Acquired at

Sky plot

Histogram

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