Alpha Crucis - "Star of Magellan" in Crux (Southern Cross) (Ray Caro)

Celestial hemisphere: Southern · Constellation: Crux (Cru) · Contains: NGC 4349 · The star α1Cru · The star α2Cru · The star ζCru

Alpha Crucis - "Star of Magellan" in Crux (Southern Cross), Ray Caro

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Alpha Crucis - "Star of Magellan" in Crux (Southern Cross)

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Alpha Crucis - "Star of Magellan" in Crux (Southern Cross)

Alpha Crucis, usually called Acrux, is a ternary system whose elements can only be solved with sophisticated equipment. These are Acrux A and Acrux B, and Acrux A is itself a binary star.

On the image, the closest star to Acrux is HD 108250 (HR 4729) sometimes called Alpha Crucis C, but it looks like it's more like an optical double because it's well located further...

Acrux is a very important star for observers in the southern hemisphere, as the line drawn from Gacrux points to the south celestial pole.

At the bottom of the image, you will notice the presence of a dark area, it is a small part of the largest dark nebula, the Coal Sack.

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Description: Enhancement of the Milky Way and portion of coolsack...

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AAA : Astronomes et Astrographes Amateurs

Crux / Croix du Sud

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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
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
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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
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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	2119656
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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Alpha Crucis - "Star of Magellan" in Crux (Southern Cross)

Alpha Crucis - "Star of Magellan" in Crux (Southern Cross)

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Image Index:

Contribution Index (beta):

Alpha Crucis - "Star of Magellan" in Crux (Southern Cross)

Alpha Crucis - "Star of Magellan" in Crux (Southern Cross)

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Acquisition details

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Comments

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B

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