NGC 7635 – Bubble Nebula & its Environment (Alex Woronow)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: Bubble Nebula · HD219460 · HD220057 · HD220102 · HD220167 · HD220369 · HD240233 · HD240245 · HD240248 · HD240252 · HD240253 · HD240256 · HD240264 · HD240293 · HD240295 · LBN 537 · LBN 540 · LBN 542 · LBN 543 · LBN 544 · LBN 548 · LBN 549 · LDN 1225 · LDN 1231 · M 52 · NGC 7510 · NGC 7538 · NGC 7635 · NGC 7654 · PK112-00.1 · And 4 more.

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NGC 7635 – Bubble Nebula & its Environment

Powered byPixInsight

NGC 7635 – Bubble Nebula & its Environment

NGC 7635 – Bubble Nebula & its Environment

OTA: RH-305 (12” f/3.5)
Camera: SBIG STX-16803
Observatory: Deep Sky West (acquired in 2017)

EXPOSURES:
S: 30 x 1800 seconds
H: 27 x 1800
O: 17 x 1800
Total exposure 37 hours

Image Width: 2 deg
Processed by Alex Woronow (2022) using PixInsight, Topaz, 3DLUT

This is an SHO true-color image.

Besides using my own version of true-color mapping, I applied a standard Nyquist Reconstruction and a 1x drizzle, to subdue any artifacts that might otherwise arise. The only explicit sharpening I applied was a cosmetic, single iteration of deconvolution applied to the final image.

Hope you find this true-color rendition interesting, maybe even pleasing.

Alex Woronow

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	6368095
PixInsight job	E8OOU3FBCDPHIG16PWXHD9R0QT18X2V0
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	23h18m08s.15
RA (top/left)	23h10m53s.80
RA (top/right)	23h25m44s.62
RA (bottom/right)	23h25m50s.10
RA (bottom/left)	23h10m04s.96

Dec (center)	+60°48′18″.2
Dec (top/left)	+59°50′17″.4
Dec (top/right)	+59°52′50″.5
Dec (bottom/right)	+61°44′45″.5
Dec (bottom/left)	+61°42′04″.2

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NGC 7635 – Bubble Nebula & its Environment

NGC 7635 – Bubble Nebula & its Environment

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Image Index:

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NGC 7635 – Bubble Nebula & its Environment

NGC 7635 – Bubble Nebula & its Environment

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