Minor flaring in Hα and some CaK (90 mm)

[GreatAttractor]

All shot on Saturday with 90/660 mm achromat, PGR Chameleon 3 mono (ICX445), processed with Stackistry, ImPPG and GIMP.

90 mm Lunt50 mod:

Encouraged by an M-class flare in AR2871 earlier this week, I dutifully captured data for a time lapse, alas, not much has happened. A minor C1.0-flare at 11:30 UTC and a B7.2 at 12:04 UTC, also a part of the upper filament lifted off at some point. 30-second intervals, 4:45 h total:

 

Mandatory full disc:

 

Lunt B600 CaK module, PowerMate 2.5x:

Early morning seeing was really good despite the short wavelength:

 

[Pete Presland]

Superb images, love the movement on the filament its fascinating to watch.