2017 December 02 Sun - prominences on SE limb
As the solar disc is mostly featureless, observation is mainly on prominences on the solar limb.
Groups of prominences show up on the SE, W, NW and SW limb.
Just a faint prominence is left.
Telescope: AP Starfire EDT 155 mm f/9.
stopped to 50 mm (f/28) for disc images, with 4X telecentric lens (f/36) for closeups
filter: Solar Spectrum SO1.5/0.3A with CERF prefilter
Camera: Imperx 4M15
2017 December 02 Sun - prominences on SE limb
2017 December 02 Sun - prominences on SE limb
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