The Tulip Nebula – Sh2-101 (Kevan Noble)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: B144 · HD189474 · HD189528 · HD226836 · HD226867 · HD226868 · HD226918 · HD226938 · HD227018 · HD227027 · HD227059 · HD227060 · HD227072 · HD227080 · HD227126 · HD227134 · LBN 168 · LBN 171 · Sh2-101

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The Tulip Nebula – Sh2-101

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The Tulip Nebula – Sh2-101

The Tulip Nebula – Sh2-101The emission from the Tulip Nebula is powered by ultraviolet radiation of the hot young star HD 227018. The O6.5III class star belongs to the Cygnus OB3 association and has a visual magnitude of 9.02. In images, it can be seen near the nebula’s centre and in this instance by the plate solve overlay.

Located in the Cygnus constellation, about 6,000 lightyears away, the whole region is 70 lightyears wide and glows as a result of powerful young stars ionising cosmic gas and causing it to emit light. I retained the presence of these stars in processing rather than reduce them significantly. After all it is a star factory.

Taken from July to September 2023 totalling 26hrs of exposure in SHO and RGB stars.

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	8896427
PixInsight job	K0XG0X274UI09XYMA92GV9N5XPVJHM9Q
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	19h59m39s.529
RA (top/left)	20h01m09s.211
RA (top/right)	19h57m59s.462
RA (bottom/right)	19h58m10s.416
RA (bottom/left)	20h01m19s.104

Dec (center)	+35°23′00″.72
Dec (top/left)	+35°38′19″.84
Dec (top/right)	+35°35′22″.34
Dec (bottom/right)	+35°07′37″.10
Dec (bottom/left)	+35°10′34″.37

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The Tulip Nebula – Sh2-101

The Tulip Nebula – Sh2-101

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The Tulip Nebula – Sh2-101

The Tulip Nebula – Sh2-101

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