AR 3664 May 13 2024 Animation (walkman)

Contains: Solar system body or event

AR 3664 May 13 2024 Animation

Acquisition type: Lucky imaging

AR 3664 May 13 2024 Animation

Acquisition type: Lucky imaging

After what seems like months of cloudy morning, I was able to capture a brief animation of AR3664 right on the western limb. The GONG Ha images showed a nice vertical prom so that was my target for the little bit of time before the usual clouds rolled in. The resulting animation covers 36 minutes elapsed time. I used the Regle Solaire overlay to estimate the height of the prom to be around 90,000km/56,000 miles. Placing the cursor on the image will show the Regle Solaire overlay with a scaled Earth.

The animation shows hot plasma material raining down from high in the Sun's atmosphere onto the "bubbling" surface below. The much smaller prom located in the very bottom right shows additional plasma moving toward AR3664.

AR3664 was the large sunspot group that caused the intense geomagnetic storm that produced the magnificent auroral displays seen all over the world including here in Hawaii (which I did not see because it was raining).

Equipment was Lunt LS80Tha, single stack
Televue 3x Barlow
ASI174MM camera

72 captures of 10 sec x 20 sec delay. Stacked in AutoStakkert!3, sharpened and aligned in ImPPG, animation in PIPP. Photoshop used to make the Regle Solaire overlay.

Final
Original
B

B

Title: Height of AR 3664 Prom May 13, 2024

Description: Single image of descending prom with Regle Solaire overlay showing height of prom to be around 90,000km/56,000 miles.

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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.
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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AR 3664 May 13 2024 Animation

AR 3664 May 13 2024 Animation

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