The Maelstom within Eta Carinae (Bruce Rohrlach)

Celestial hemisphere: Southern · Constellation: Carina (Car) · Contains: Carina Nebula · NGC 3372 · eta Car Nebula

The Maelstom within Eta Carinae, Bruce Rohrlach

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The Maelstom within Eta Carinae

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

Powered byPixInsight

The Maelstom within Eta Carinae

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

Core of the Carina Nebula about 8500 light years from earth, within the Carina-Sagittarius arm of our home Milky Way galaxy.

Imaged from our backyard last Friday night/Saturday morning.

A Ha-RGB image of part of the Great Nebula in Carina.

The hypergiant star Eta Carinae and several star clusters illuminate the surrounding molecular gas clouds. Eta Carinae has a luminosity around 5 million times that of the sun. The dark rifts are thick knots of gas and dusk that are so thick they appear opaque. The dark projecting spots along the upper edge of the 'dark rift' are Bok Globules (isolated and relatively small dark nebulae containing dense cosmic dust and gas from which star formation may take place).

The entire Carina Nebula spans approximately 300 light years, compared with the 4 light years between our sun and the nearest star Proxima Centauri.

Here the strong Ha (hydrogen alpha) signal has been layered as a luminance layer (to boost textural detail within the image) while the broad-band red, green and blue wavelengths are matched to RGB to yield a reasonably true colour rendition of the beautiful Carina Nebula.

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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
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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
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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.

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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.

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Astrometry.net job	3467003
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The Maelstom within Eta Carinae

The Maelstom within Eta Carinae

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The Maelstom within Eta Carinae

The Maelstom within Eta Carinae

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