From Sadr to the Crescent Nebula (DustSpeakers)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: Crescent Nebula · M 29 · NGC 6888 · NGC 6913 · The star 34Cyg · The star Sadr (γCyg)

From Sadr to the Crescent Nebula, DustSpeakers

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From Sadr to the Crescent Nebula

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From Sadr to the Crescent Nebula

From Sadr to the Crescent Nebula in the constellation of Cygnus.

The Crescent Nebula, NGC 6888, bottom right, is an emission nebula (mainly in Hydrogen alpha) about 25 light years across and is 5000 light years away from Earth. The whole area is abundant in hydrogen alpha nebulosity.

Sadr or Gamma Cygni is the bright star at top left of the image and it forms the intersection of the 5 main stars in the Northern Cross asterism.

Messier 29, M29 or NGC 6913, is an open star cluster can be seen in the left lower half of the image located about 5,900 light years away.

Acquired on 29 Sept 2021 from Bortle 5 back garden Ioptron Skyguider Pro no guiding, Redcat 51, EFW filter wheel, EAF focuser, ASI 1600MM camera
- 32 x 120s Ha
- 36 x 120s OIII
- 10 x 60s each of LRGB for stars
~ 3 hours in total
Processed in APP, StarTools and Gimp

Very Wide Field
iOptron Skyguider Pro
William Optics CAT Series
WO Redcat 51 Group
Narrowband imaging
Suburban Astrophotography
ZWO ASI1600MM/QHY163M
UK Astro-Imaging

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	5057945
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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Contribution Index (beta):

From Sadr to the Crescent Nebula

From Sadr to the Crescent Nebula

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Image Index:

Contribution Index (beta):

From Sadr to the Crescent Nebula

From Sadr to the Crescent Nebula

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