NGC 7635 - The Bubble Nebula / Sh2-157 The Lobster Claw Nebula / M52 (Wouter Cazaux)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: Bubble Nebula · IC 1470 · M 52 · NGC 7510 · NGC 7538 · NGC 7635 · NGC 7654 · PK112-00.1 · Sh2-156 · Sh2-157 · Sh2-158 · Sh2-159 · Sh2-161 · Sh2-162

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NGC 7635 - The Bubble Nebula / Sh2-157 The Lobster Claw Nebula / M52

Powered byPixInsight

NGC 7635 - The Bubble Nebula / Sh2-157 The Lobster Claw Nebula / M52

20210612 - NGC 7635 - The Bubble Nebula & Sh 2-157 The Lobster Claw Nebula / M52

A multi-target Bonanza. As a bonus, the nova in Cassiopeia is also in the frame: https://skyandtelescope.org/astronomy-news/nova-in-cassiopeia-brightens-suddenly/

How it was done

Mount: iOptron SkyGuider Pro

Guiding: ASIAIR Pro, ZWO30F4, ASI120MM (RA guiding only)

Scope: WO RedCat 51

Camera: ASI183MC Pro

Resolution: 1,98”/pixel

FoV 218’

Filter: Optolong L-Extreme

Moon n/a, Bortle 5/6

Processing: Siril - Extracting Ha and OIII, recombining as HHOO into LRGB, Adobe Photoshop - (Mac)

IC 1396 - Gain 125, -10C, 300s, 50x

Darks 11x - from previous take, to remove the amp glow)

Clear Skies everybody! 🤩✨🔭

#astrophotography #astrophoto #astrophotos

#backyardastronomy #astronomy

#backyardastrophotography

#astrography #astrography_ #backyard

#deepsky #nightsky

#NGC7635 #BubbleNebula

#Sh2-157 #LobsterClawNebula

#Nebula

Original
B
Final
C

B

Description: 20210614 Revision - Changed the blackpoint

Uploaded: ...

C

Description: 20210704 - Re-processing into SHO SII-Ha-OIII

Hubble palette simulation from dual narrowband data Ha-OIII (Optolong L-extreme)
Processing in PixInsight

Uploaded: ...

FriendlyCosmos
AAA : Astronomes et Astrographes Amateurs
William Optics CAT Series
Astrophotographers of Belgium
ZWO ASI183/QHY183
Cloudy Nights

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	4627337
PixInsight job	1IYQXBOGBGZQS19XG1SU7M6I9I97KB1N
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	23h15m52s.64
RA (top/left)	23h25m26s.66
RA (top/right)	23h01m19s.92
RA (bottom/right)	23h07m07s.24
RA (bottom/left)	23h30m02s.90

Dec (center)	+60°51′41″.2
Dec (top/left)	+62°15′23″.4
Dec (top/right)	+61°14′47″.5
Dec (bottom/right)	+59°25′39″.7
Dec (bottom/left)	+60°22′50″.9

Image Index:

Contribution Index (beta):

NGC 7635 - The Bubble Nebula / Sh2-157 The Lobster Claw Nebula / M52

NGC 7635 - The Bubble Nebula / Sh2-157 The Lobster Claw Nebula / M52

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Image Index:

Contribution Index (beta):

NGC 7635 - The Bubble Nebula / Sh2-157 The Lobster Claw Nebula / M52

NGC 7635 - The Bubble Nebula / Sh2-157 The Lobster Claw Nebula / M52

Equipment

Acquisition details

Description

Comments

Revisions

B

C

Sky plot

Histogram

In these public groups

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