2020 May 17 Sun - prominences on E limb

[PTS]

2020 May 17 Sun - prominences on E limb

Observation is brief in the morning (less than 15 minutes). In the afternoon, the sky is clear.
A is a complex prominence. However, it is no longer visible in the afternoon.
B is actually a pillar-like prominence that comes from a possible new active region that has just turned to the front. Plasma mass is observed to form.

Sunspot count: group=0. sunspots=0, R=0

Telescope: Lunt LS35T with B600 blocking filter
Camera : ASI174MM
exposure: 6.5 ms
Images taken from 02:54 UTC to 06:57 UTC
cropped 800x800 for disc, 320x320 for close-up.
approximately south is up, east to the left

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[Eddy So]