M104 The Sombrero Galaxy (Frank Colosimo)

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

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M104 The Sombrero Galaxy

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M104 The Sombrero Galaxy

M104 or NGC 4594 is a mag 8 (visual) edge-on galaxy in southern Virgo. It is estimated at 50 million light years distance and is commonly known as the Sombrero Galaxy.

It was added to William Herschel's catalog in 1781 after the original list was published. It has the trademark dark rim of dust, with large pronounced bulges in the center.

Imaging of this object is difficult for us in the North at its -11.5 degrees declination, and my images were made at a maximum altitude of 37 degrees above the horizon. This means the scope is looking through a lot of air and turbulence.

Imaging data:

Date: Apr 13,16 2008

Location: New Ringgold PA

Optics: Meade LX200R 12 inch at f/10

Mount: Paramount ME

Camera: SBIG ST-8XME / CFW-8

Guiding: ST-8XME integral guiding chip controlled by Maxim CCD

Exposure: LRGB: Luminance: 18x10 minutes unbinned; RGB: 6 each binned 2x2 - 8 min for R,G, and 9 min for B.

Processing: Image acquisition using CCD Autopilot. Initial processing was done using Maxim DL with subsequent processing with Photoshop.

Northeast Imagers
Cloudy Nights

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	Image of the day	Top pick	Top pick nominations	Total submitted
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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.

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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	1483965
PixInsight job	9RRC44FBJTY80U5P8FJ6SWTV2901SM1R
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	12h40m00s.811
RA (top/left)	12h40m34s.388
RA (top/right)	12h39m32s.457
RA (bottom/right)	12h39m27s.187
RA (bottom/left)	12h40m29s.154

Dec (center)	-11°37′16″.30
Dec (top/left)	-11°33′18″.22
Dec (top/right)	-11°31′19″.27
Dec (bottom/right)	-11°41′13″.73
Dec (bottom/left)	-11°43′12″.38

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M104 The Sombrero Galaxy

M104 The Sombrero Galaxy

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M104 The Sombrero Galaxy

M104 The Sombrero Galaxy

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