Capella Nightscape (autonm)

Celestial hemisphere: Northern · Constellation: Auriga (Aur) · Contains: Extremely wide field

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Capella Nightscape

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Capella Nightscape

Chollerford, UK.

f/1.8
6 seconds exposure

Menkalinan - centre of the image

Menkalinan is a binary star system in the northern constellation of Auriga. The combined apparent visual magnitude of the system is 1.9, making it the second-brightest member of the constellation after Capella. The distance to this star system can be estimated as 81.1 light-years.

Capella - towards the middle right of the image

Capella is the brightest star in the constellation of Auriga, the sixth-brightest star in the night sky, and the third-brightest in the northern celestial hemisphere after Arcturus and Vega.

Capella is relatively close, at 42.9 light-years from the Sun.

Although it appears to be a single star to the naked eye, Capella is actually a quadruple star system organized in two binary pairs, made up of the stars Capella Aa, Capella Ab, Capella H, and Capella L.

The primary pair, Capella Aa and Capella Ab, are two bright yellow giant stars, both of which are around 2.5 times as massive as the Sun.

The secondary pair, Capella H and Capella L, are around 10,000 astronomical units (AU) from the first and are two faint, small and relatively cool red dwarfs.

Capella Aa and Capella Ab have exhausted their core hydrogen, and cooled and expanded, moving off the main sequence.

They are in a very tight circular orbit about 0.74 AU apart, and orbit each other every 104 days.

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	4888395
PixInsight job	CP3MQ87WZIC8WIKV7CLRN2UTGEEZ8R6E
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	05h50m20s.8
RA (top/left)	06h26m29s.7
RA (top/right)	04h37m29s.7
RA (bottom/right)	05h28m24s.8
RA (bottom/left)	06h42m43s.9

Dec (center)	+44°15′01″
Dec (top/left)	+57°51′07″
Dec (top/right)	+52°48′49″
Dec (bottom/right)	+30°03′34″
Dec (bottom/left)	+33°26′26″

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Capella Nightscape

Capella Nightscape

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Image Index:

Contribution Index (beta):

Capella Nightscape

Capella Nightscape

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Acquisition details

Description

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Sky plot

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