Grand -Design Spiral Galaxy M100 ( sydney )

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

Grand -Design Spiral Galaxy M100,

sydney

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Grand -Design Spiral Galaxy M100

Powered byPixInsight

Grand -Design Spiral Galaxy M100

Imaging Telescopes Or Lenses: Celestron EdgeHD 14"
Imaging Cameras: SBIG ST-10XME
Mounts: Astro-Physics 900GTO
Filters: Astrodon Gen2 I-Series Tru-Balance Blue 1.25" · Astrodon Gen2 I-Series Tru-Balance Green 1.25" · Astrodon Gen2 I-Series Tru-Balance Lum 1.25" · Astrodon Gen2 I-Series Tru-Balance Red 1.25"
Accessories: Celestron 0.7X Reducer EdgeHD1400 (94240)
Software: Adobe Photoshop · CCDWare CCDStack

Basic astrometry details

Astrometry.net job: 7831251

RA center: 12h23m00s.10

DEC center: +15°50′06″

Pixel scale: 0.510 arcsec/pixel

Orientation: 153.690 degrees

Field radius: 0.182 degrees

Resolution: 2112x1472

File size: 1.2 MB

Data source: Backyard

M100 is a grand-design spiral galaxy that is bursting with star formation. Located in the constellation Coma Berenices, it is one of the largest members of the Virgo Cluster. Luminous extensions of its sweeping outer arms connect M100 with two satellite galaxies NGC 4323 and NGC 4328. Observations of Cepheid variable stars in M100 place its distance at about 56 million light-years from Earth.

Exposures:
20x 600s luminance
30x420s RGB (10 exposures per channel)

Total integration of 6.8 hours

Filters:
Astrodon I-series

Processing:
CCDStack and Photoshop.

I hope you enjoy!

Original
Final
B

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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
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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
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Star trails
Northern lights
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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.
Dismissals 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	7831251
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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Grand -Design Spiral Galaxy M100

Grand -Design Spiral Galaxy M100

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Grand -Design Spiral Galaxy M100

Grand -Design Spiral Galaxy M100

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Description

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