2018 March 11 Sun - prominences on SW solar limb

[PTS]

2018 March 11 Sun - prominences on SW solar limb

There are prominences around the solar limb, but most of them are very "small" except the groups on the E, NE and SW limb.
These 2 on the SW limb are very faint, and is not visible in the disc image.

Telescope: AP Starfire EDT 155 mm f/9.
stopped to 80 mm (f/17.5) for disc images, with 4X telecentric lens (f/36) for closeups
filter: Solar Spectrum SO1.5/0.3A with CERF prefilter
Camera: ASI1600MM, 4656X3520 pixels (3.8 micron)
North is up, east is to the left.

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