2021 April 01 Sun - prominences on the SW solar limb

[PTS]

2021 April 01 Sun - prominences on the SW solar limb

The bright inclined pillar is in the process of disintegration. Note the tiny plasma masses in formation.
Note also the low-lying but faint arch below it.
sunspot count: group=0, sunspot=0, R=0

For H-alpha images:
Telescope: Lunt LS50T with B1200 blocking filter + 2X barlow
Camera : ASI174MM
exposure: 25.0 ms

For Ca-K images:
Telescope: Sharpstar AL-80 II, 8 cm f/6.25 APO refractor
Camera : ASI174MM
focal length : 500 mm f/6.25
filter: Lunt Ca-K Module B1200
exposure: 11.0 ms

approximately north is up, east to the left

[PTS]

Images in H-alpha

[Eddy So]