Regulus (Gustav Lundby)

Celestial hemisphere: Northern · Constellation: Leo (Leo) · Contains: 32 Leo) · Cor Leonis · Kabeleced (α Leo · Rex · The star Regulus

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Regulus

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Regulus

Star Regulus is the brightest star in the constellation Leo and one of the brightest stars in the night sky¹. It is actually a quadruple-star system composed of four stars that are organized into two pairs¹³. The main star, Regulus A, is a blue-white subgiant star that is orbited by a white dwarf companion¹². The other pair, Regulus BC, consists of two main sequence stars of spectral types K2 and M4¹.

Regulus has been regarded as one of the leading stars in the sky for some 2000 years and its name means "little king" or "prince" in Latin¹². It was also one of the four "royal stars" of ancient Persia and was associated with kingly power in many cultures²³.

Regulus is about 79 light-years away from Earth and has an apparent magnitude of 1.35, making it the 21st brightest star in the night sky¹².

Kilde: Samtale med Bing, 18.6.2023
(1) Regulus - Wikipedia. https://en.wikipedia.org/wiki/Regulus.
(2) Fixed Star Regulus – Astrology King. https://astrologyking.com/regulus-star/.
(3) Regulus: The Kingly Star | Space. https://www.space.com/22890-regulus.html.

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	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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	Image of the day	Top pick	Top pick nominations	Total submitted
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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
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Astrometry.net job	7261723
PixInsight job	n/a
PixInsight queue size	n/a
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