North American and Pelican in Technicolour (Paul Kent)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: IC 5068 · IC 5070 · NGC 6989 · NGC 6997 · NGC 7000 · North America Nebula · Pelican Nebula · The star 56Cyg · The star 57Cyg · The star ξCyg

North American and Pelican in Technicolour, Paul Kent

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North American and Pelican in Technicolour

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North American and Pelican in Technicolour

The North American nebula, or NGC7000 to its friends, is an iconic Northern Hemisphere region in northern Cygnus. It is located near the very bright star Deneb. It is classified as an HII (H2) region. In this nomenclature, the number 2 refers to its ionisation state, not that it is a diatomic molecule. HII means that the Hydrogen atoms have been stripped of an electron (infact making H+ simply a proton). The light from these regions is emitted as free electrons recombine with nuclei. However, these now captured electrons are liberated once more by high energy photons.

Areas that apear blue are relatively rich in OxygenIII, written as [OIII]. This signifies doubly ionised Oxygen atoms, the square brackets indicating that the transition that gives rise to the emission line is 'forbidden'. Forbidden in the sense that we can recreate this in the lab. Some transitions require these excited states to live for a length of time which can only exist in the vacuum of space. On earth, even in our 'vacuums' these atoms get jostled far to frequently and de-excite via other transitions.

Due to the brightness of the North American this is usually a target imaged by beginners early on in their learning.

The Pelican nebula is off to the right and on the right hand edge, we see a red area indicating a relative abundance of [SII]. Also present are some spires that seem to project outwards.These are called Herbig Haro objects and form during the formation of new 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	Basic success
Started	...
Astrometry.net job	4494801
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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North American and Pelican in Technicolour

North American and Pelican in Technicolour

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Image Index:

Contribution Index (beta):

North American and Pelican in Technicolour

North American and Pelican in Technicolour

Equipment

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Description

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