61 Cygni moving across the sky (Version B animated) (lowenthalm)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: 61 Cyg · TYC3168-206-1 · TYC3168-778-1 · TYC3168-928-1 · The star 61Cyg · V1803 Cyg

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61 Cygni moving across the sky (Version B animated)

Powered byPixInsight

61 Cygni moving across the sky (Version B animated)

Be sure type click on the animation in version B to see 61 Cygni to see its motion over just one years time!

61 Cygni is a true double star only 11.4 light years away from us. They are nearly identical K stars (somewhat dimmer than our sun) that orbit of 678 years. Because they are so close to us, they have a high proper motion of 5.28 arc seconds per year. This is fast enough to be seen visually with a telescope over just 6 months and easily detected over a full year. Version A is a single color corrected image, while version B is an animation showing the movement from 2020-06-19 to 2021-07-03! When I measured the motion in my images, I calculated a proper motion of 5.12 arc seconds per year, which is pretty close to the currently measured value.

Each image was a live stack of 120 x 0.5 second exposures (to maximize positional accuracy and minimize sensor saturation).

Final
Original
B

B

Description: Animated version showing movement from 2020-06-19 to 2021-07-03.

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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.
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Promotions by Reviewers When 3 distinct Reviewers promote the image, it moves on to the next stage of the process: evaluation for IOTD status.
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Status	Advanced success
Started	...
Astrometry.net job	4946044
PixInsight job	IVD3UGNISF2OTOUA86J41URSIUD6V9OI
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	21h07m02s.142
RA (top/left)	21h06m58s.136
RA (top/right)	21h06m28s.510
RA (bottom/right)	21h07m06s.178
RA (bottom/left)	21h07m35s.802

Dec (center)	+38°45′50″.88
Dec (top/left)	+38°52′51″.40
Dec (top/right)	+38°43′15″.31
Dec (bottom/right)	+38°38′53″.62
Dec (bottom/left)	+38°48′26″.16

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61 Cygni moving across the sky (Version B animated)

61 Cygni moving across the sky (Version B animated)

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61 Cygni moving across the sky (Version B animated)

61 Cygni moving across the sky (Version B animated)

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