NGC 7635 • The Bubble Nebula (Barry Schellenberg)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: Bubble Nebula · HD220057 · LBN 548 · LBN 549 · LDN 1231 · NGC 7635 · Sh2-162

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NGC 7635 • The Bubble Nebula

Powered byPixInsight

NGC 7635 • The Bubble Nebula

Other Names: SH2 162, Caldwell 11
Optics: Astro-Physics 305mm F/3.8 Riccardi-Honders Astrograph
Mount: Paramount ME using The SkyX Pro
Camera: FLI ML16200
Filters: Chroma Ha 3nm, OIII 3nm, SII 3nm
Exposure: 4700 Mins or 78 2/3 hours, [173x 1200s Ha, 29x 1200s OIII, 33x 1200s SII], Binned 1x1
Accessories: Auto guided with SXAO & Starlight Xpress Lodestar. FLI Atlas focuser using FMv5
Location: Southern, IN
Date: Taken over several nights from October 1st to November 12th, 2023
Notes: Image acquisition with TSXPro using MaxPilote automation software.

All Processing completed using PixInsight and the following steps:

Blink/WBPP/Pixinsight Gradient Correction/BlurXT/NoiseXT/StarXT/GHS/RGB Color combine - I didn't like the Foraxx method with this data so instead I used Channel Combination, SHO normalization, SNCR,Saturation
Created separate Lum layer using Ha channel/BlurXT/StarXT/NoiseXT/GHS/Mask/LHE/MLT/Add Stars back. I didn't like the synthetic RGB stars with this data, so used Ha stars
LRGB combination/Saturation/Histogram Transformation/Crop/Annotate

Calibrated w/30 Darks, 100 Bias, 10 Flats of each filter using a flat panel. CCD temperature was -20C. Image was taken from my backyard Observatory.

Link to Ha: https://astrob.in/h3srbp/0/

Original
Final
B

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	9542971
PixInsight job	N6PYT9YW44HKN1V7VV9FNS4V5KED30QO
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	23h20m41s.18
RA (top/left)	23h23m38s.23
RA (top/right)	23h17m38s.98
RA (bottom/right)	23h17m47s.20
RA (bottom/left)	23h23m40s.41

Dec (center)	+61°09′41″.1
Dec (top/left)	+61°25′45″.2
Dec (top/right)	+61°24′53″.1
Dec (bottom/right)	+60°53′22″.8
Dec (bottom/left)	+60°54′14″.4

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NGC 7635 • The Bubble Nebula

NGC 7635 • The Bubble Nebula

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NGC 7635 • The Bubble Nebula

NGC 7635 • The Bubble Nebula

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