Solar Prom Liftoff Apr 19 2022 (walkman)

Contains: Solar system body or event

Solar Prom Liftoff Apr 19 2022

Acquisition type: Lucky imaging

There was finally a break in the clouds and rain yesterday (Apr 19 2022) and I was able to do some solar observation and imaging. Here is an animation of a prom and I was able to catch it as it lifted off.

The animation covers 42 minutes of real time during which the prom material moved an apparent distance of about 100,000 km. Putting the cursor over the original image will show an animation of just the first and last image of the animation to highlight the movement during the 42 minutes. This mouseover image has the first and last images superimposed and registered with a measurement tool called Regle Solaire. This tool has concentric circles showing every 50,000 km above the Sun's surface and provides a quick visual of the prom's motion.

The distance covered and the implied velocity assumes that the motion was exactly perpendicular to our line of sight which probably is an incorrect assumption. Also, I have rotated the image to give what I consider a better perspective of the motion. The prom was actually located on the southeast limb of the Sun which is the limb that will be rotating into view.

Final
Original
B

B

Title: Measure of Prom Motion

Uploaded: ...

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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.

Status	n/a
Started	n/a
Astrometry.net job	n/a
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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Solar Prom Liftoff Apr 19 2022

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Solar Prom Liftoff Apr 19 2022

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