NGC7635 the "BUBBLE NEBULA" (astrovik)

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

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NGC7635 the "BUBBLE NEBULA"

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NGC7635 the "BUBBLE NEBULA"

This is one of the most interesting looking structures in a sky.

NGC 7635 "Bubble Nebula, is a Hydrogen emission nebula in constellation Cassiopeia. It locates near the open cluster M 52 at distance of about 11.000 light years from the Earth.

The bubble structure is created by a strong stellar wind, a radiation pressure, from massive hot magnitude 8,7 central star, SAO 20575.

Bubble is an expanding shock front inside a giant molecular cloud and it has a diameter more than Six light years.

Natural color composition from the emission of ionized elements, Red=H-a, G=O-III and B= 75%O-III + 25%H-a to compensate otherwise missing H-beta emission.

Camera: MORAVIAN G2 4000 sensor -20°C and SXV-AO-LF

Optics: GSO 10" f/8 RC Truss V3

Filters: Baader

Exposure time (seconds):

HA: 19x900 bin 1×1

OIII: 18x900 bin 1×1

Guiding camera: Starlight Xpress Lodestar on off-axis guider

Captured with Voyager

Processed with CCDStack and Photoshop CS6

Place: Fino del Monte (BG) Italy

Date: 24_26/01/2017

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	Basic success
Started	...
Astrometry.net job	1835271
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

Image Index:

Contribution Index (beta):

NGC7635 the "BUBBLE NEBULA"

NGC7635 the "BUBBLE NEBULA"

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Image Index:

Contribution Index (beta):

NGC7635 the "BUBBLE NEBULA"

NGC7635 the "BUBBLE NEBULA"

Equipment

Acquisition details

Description

Comments

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