NGC7635 Bubble Nebula (David Wills (PixelSkiesAstro))

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: Bubble nebula · NGC 7635

NGC7635 Bubble Nebula, David Wills (PixelSkiesAstro)

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NGC7635 Bubble Nebula

Link: https://www.pixelskiesastro.com/

Powered byPixInsight

NGC7635 Bubble Nebula

Link: https://www.pixelskiesastro.com/

The NGC7635 Bubble Nebula captured in LRGB, Ha. Taken from PixelSkies, Spain www.pixelskiesastro.com

NGC 7635, also known as the Bubble Nebula, Sharpless 162, or Caldwell 11, is an H II region emission nebula in the constellation Cassiopeia. It lies close to the direction of the open cluster Messier 52. The "bubble" is created by the stellar wind from a massive hot, 8.7 magnitude young central star, SAO 20575 (BD+60°2522). The nebula is near a giant molecular cloud which contains the expansion of the bubble nebula while itself being excited by the hot central star, causing it to glow. It was discovered in 1787 by William Herschel.

Lum 23x900Secs

Red 10x900Secs

Green 7x900Secs

Blue 8x900Secs

Ha 22x1800 Secs

17.5 hours in total.

Equipment used:

Telescope: Tec 140 F7

Camera: Xpress Trius SX-694 Mono Cooled to -5C

Image Scale: 0.95

Guiding: OAG

Filters: Astronomik LRGB, Ha 6nm

Mount: iOptron CEM60 "Standard" GOTO Centre Balanced Equatorial Mount

Image Acquisition: Sequence Generator Pro

Stacking and Calibrating: Pixinsight

Processing: Pixinsight 1.8, Photoshop CC

PixelSkiesAstro
Sony 694 Images
Cloudy Nights

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	Distinct awarded users	Total awarded images
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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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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
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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.

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	3011447
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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NGC7635 Bubble Nebula

NGC7635 Bubble Nebula

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NGC7635 Bubble Nebula

NGC7635 Bubble Nebula

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