2021 January 31 Sun - solar surface in H-alpha with AR12800

[PTS]

2021 January 31 Sun - solar surface in H-alpha with AR12800

AR12797 and AR12798 are on the backside.
AR12800 is close to the NW limb and only a tiny flare is visible.
2 small flares are visible to the west of AR12800.
A huge filament runs from the N limb towards SW. Another smaller but darker filament is visible just south of the disc centre.
sunspot count: group=0, sunspot=0, R=0

Telescope: Lunt LS50T with B1200 blocking filter, and 2X barlow
Camera : ASI174MM
approximately north is up, east to the left

[PTS]

Images of huge filament near N limb

[PTS]

Images of filament just south of disc centre

[Eddy So]