2017 Feb 12 Sun
AR12634 and AR12635 are still the most prominent groups on the solar surface.AR12635 shows a large following spot, with 2 main spots in the lead.Several prominences appear along the solar limb.All except the NW prominence are relatively dim.
Telescope: AP Starfire EDT 155 mm f/9.
stopped to 50 mm for disc images, with 4X telecentric lens (f/36) for closeups
filter: Solar Spectrum SO1.5/0.3A with CERF prefilter
Camera: Imperx 4M15
North is up, and east to the left.
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