NGC7814 Little Sombrero (niteman1946)

Celestial hemisphere: Northern · Constellation: Pegasus (Peg) · Contains: NGC 7814

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NGC7814 Little Sombrero

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NGC7814 Little Sombrero

NGC 7814 is a spiral galaxy about 40 million light-years away in the constellation Pegasus. The galaxy is seen edge-on from Earth. It is sometimes referred to as "the little sombrero", a miniature version of Messier 104. The star field behind NGC 7814 is known for its density of faint, remote galaxies as can be seen in the image here – in the same vein as the Hubble Deep Field. [Source: Wikipedia]

The image was captured with the venerable Meade 12"LX200, using the Atik 383L+ mono at F7.16 (i.e. 2182mm FL). Astronomik's Luminance, Red, Green and Blue filters were used. All subs were taken at 1x1 bin, -10C. RG and B were shot at 300 seconds each, and Lum at 600s.

Image 2016 -- SGPro image capture software

Lum 600s: 27 subs (4.50 hr) on Sep 4th, 6th and 8th.

Red 300s: 17 subs (1.42 hr) on Sep 6th and 8th.

Green 300s: 17 subs (1.42 hr) on Sep 6th and 8th.

Blue 300s: 18subs (1.50 hr) on Sep 6th and 8th.

Processing was done with PixInsight, following (for the most part) kayronjm's tutorial of Feb. 24th, 2013. Filter L was used to develop the Lum image. R, G and B were collected for the color mix. North is up. This is a modest crop due to image misalignment due to plate solving variations and dithering.

As per usual, I suspect the summer's high humidity in combination with shooting over Burleson's city lights probably causes the problematic internal reflections making for a noisy background.

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	Distinct awarded users	Total awarded images
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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
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	Image of the day	Top pick	Top pick nominations	Total submitted
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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 success
Started	...
Astrometry.net job	1232445
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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NGC7814 Little Sombrero

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NGC7814 Little Sombrero

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