Sombrero Galaxy - M104 (James Hawks)

Celestial hemisphere: Southern · Constellation: Virgo (Vir) · Contains: HD110086 · M 104 · NGC 4594 · Sombrero Galaxy

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Sombrero Galaxy - M104

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Sombrero Galaxy - M104

The Sombrero Galaxy (M104), about 31.1 million light-years aways, is a galaxy of unclear classification in the constellation borders of Virgo and Corvus. It has an isophotal diameter of approximately 94,900 to 105,000 light-years, making it slightly larger in size than the Milky Way. It has a bright nucleus, an unusually large central bulge, and a prominent dust lane in its outer disk, which is viewed almost edge-on. The dark dust lane and the bulge give it the appearance of a sombrero hat.

This image was captured in a Queen Creek (Arizona) Bortle 7/8 backyard using a Skywatcher Esprit 150ED telescope. The telescope is mounted on a 10Micron GM2000 HPS II mount. The camera is a ZWO ASI 2600MM Pro using Antlia VPRO LRGB filters. It was captured over 5 nights (2023-01-26 to 2023-02-26). The images were stacked/processed in Pixinsight and fine-tuning done in Photoshop.

Acquisition:
   Location: Queen Creek, AZ Bortle 7/8
   Dates: 2023-01-26 to 2023-02-26
   Lights (Dithered, Cooled -20°C, Gain 100):
       175 x 60s L
       35 x 300s R
       35 x 300s G
       35 x 300s B
   Bias: 200
   Flats: 25 Each Filter

Hardware:
   Camera: ZWO ASI 2600MM PRO
   Scope: Skywatcher Esprit 150ED
   Focuser: FocusCube2
   Guide Camera: ASI 174mm Mini
   Guide Scope: ZWO OAG-L
   Mount: GM2000 HPS II
   Filters: Antlia VPRO LRGB 3nm filters

Software:
   NINA
   Pixinsight

N.I.N.A. Users
Skywatcher Esprit ED Super APO Triplet
Arizona Astrophotographers
ZWO ASI2600MM Pro

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	9585145
PixInsight job	9EAEVI8G5PWJJLQAURFKEM0F98LD88FD
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	12h39m58s.972
RA (top/left)	12h40m35s.143
RA (top/right)	12h39m21s.386
RA (bottom/right)	12h39m22s.782
RA (bottom/left)	12h40m36s.581

Dec (center)	-11°37′30″.50
Dec (top/left)	-11°31′13″.11
Dec (top/right)	-11°31′43″.92
Dec (bottom/right)	-11°43′46″.78
Dec (bottom/left)	-11°43′15″.86

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Sombrero Galaxy - M104

Sombrero Galaxy - M104

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Sombrero Galaxy - M104

Sombrero Galaxy - M104

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