2023 March 15 Sun - extremely faint prominences on NEE solar limb.

[PTS]

2023 March 15 Sun - extremely faint prominences on NEE solar limb.

This prominences is extremely faint and is on its way to fade out. It is not visible in Ca-K.

Sunspot count: group=9, sunspot=18, R=108

Camera : ASI1600MM Pro, cooled to -13.0C

Telescope for Ca-K:
Baader Triband C9.25 solar telescope, 235 mm f/10
Sharpstar AL80 II refractor, ED Triplet. 500 mm f/6.25 for whole-disc
Filters: Lunt Ca-K module B1200

Telescope for H-alpha:
Sharpstar AL80 II refractor, ED Triplet. 500 mm f/6.25 for whole-disc
with 2.5X barlow for close-up.
Filters: Lunt LS50T module with H-alpha B1200 blocking filter
.
approximately north is up, east to the left.