DWB111 - Propeller Nebula (Elvie1)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: HD192496 · HD192535 · HD192583 · HD192602 · HD192731 · HD192867 · HD192868 · HD192911 · HD193610 · HD193632 · HD193793 · LBN 278

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DWB111 - Propeller Nebula

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DWB111 - Propeller Nebula

DWB111 - Propeller Nebula in SHO
Constellation Cygnus the Swan
Emission Nebula - part of a larger Cygnus emission nebula

Imaged using 6nm filters over a number of moonlit nights - the OIII was barely, if at all, visible in subs so is likely a faint component as well. M27 - my previous image - was captured over the same timeframe using 3nm filters and shows OIII signal much stronger when processed. When I purchased the 3nm filters the very knowledgeable vendor asked if I would be imaging under moonlit conditions and suggested 3nm filters - I think this good advice.

Propeller Nebula images seem to show a variety of processing outcomes. When I look at this image I cannot now un-see a small blue alien floating across the image - waving as it goes - so this could be titled Little Blue Alien as well.

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Distribution of astrophotographers

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	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	8302739
PixInsight job	SFVPV7VC9D04VIMKDGEMMOBM2NVBGWWR
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	20h17m17s.618
RA (top/left)	20h13m17s.970
RA (top/right)	20h13m30s.139
RA (bottom/right)	20h21m12s.730
RA (bottom/left)	20h21m09s.906

Dec (center)	+43°36′30″.74
Dec (top/left)	+44°17′09″.20
Dec (top/right)	+42°54′00″.25
Dec (bottom/right)	+42°55′26″.58
Dec (bottom/left)	+44°18′31″.33

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DWB111 - Propeller Nebula

DWB111 - Propeller Nebula

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DWB111 - Propeller Nebula

DWB111 - Propeller Nebula

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