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Last week I recorded a calcium limb surge. Later that night I discovered another user in the world on astrobin (Warren Spreng) who had captured the same event in hydrogen alpha at nearly the same focal length. The was an incredibly rare occurrence.
I merged our two captures together, and this is the result. Red is the hydrogen alpha data, blue is the calcium data.
I do believe this has a "one in a billion" capture odds, and few(if any) amateurs have ever been able to share and merge this type of time-lapse data.
this little active region put on quite a show and i captured till i ran out of drive space.
160 frames x 40ms delay. (220 frames in each stack) (8 seconds per video capture) (160 captures)
Animated with https://gifmaker.org/
Cropped with avidub. Logo applied with avidub . Levels adjusted with avidub.
Files converted with PIPP and registax 5.1
Three pass Processing done in ImPPG (.xml files attached)
127mm x 1200mm explore scientific first-light achromat with Meade 2x tele-negative barlow. Basler aca720-520um camera.
Baader planetarium 36mm B-BCCD filter for energy rejection
1 angstrom calcium filter from Apollo Lasky @ http://calcium.solar
Thanks for watching!
1.xml 2.xml 3.xml