The Pelican Nebula! (jrtb)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: HD198931 · IC 5070 · LBN 353 · Pelican Nebula

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The Pelican Nebula!

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The Pelican Nebula!

This close up focuses on a region of the nebula containing HH-555, which is a Herbig-Haro object.

A Herbig-Haro (HH) object is a type of astronomical entity associated with newborn stars, particularly those still in the process of formation. These objects are named after astronomers George Herbig and Guillermo Haro, who independently studied them.

Herbig-Haro objects are created when narrow jets of partially ionized gas, ejected by young stars, collide with surrounding interstellar material. These collisions produce shock waves that heat and ionize the gas, causing it to emit light. The resulting bright patches of nebulosity are observable in regions of active star formation, often near young stars or within star-forming regions like stellar nurseries.

Studying Herbig-Haro objects provides valuable insights into the early stages of star formation and the interaction between newly formed stars and their surrounding environments.

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	8953689
PixInsight job	2WP8J4ACDL5055TY21K5F0G4XYUHBSKT
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	20h50m54s.821
RA (top/left)	20h52m42s.527
RA (top/right)	20h50m43s.862
RA (bottom/right)	20h49m07s.350
RA (bottom/left)	20h51m05s.793

Dec (center)	+44°27′47″.50
Dec (top/left)	+44°29′54″.15
Dec (top/right)	+44°47′00″.39
Dec (bottom/right)	+44°25′34″.48
Dec (bottom/left)	+44°08′34″.40

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The Pelican Nebula!

The Pelican Nebula!

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The Pelican Nebula!

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