2017 July 14 Sun - AR12665
AR12665 is erupting now (around 03:00 UTC), with huge flares around the small sunspots, and an intense flare from the main sunspot.
Dark clouds forced me to pack up.
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
North is up, and east to the left.
2017 July 14 Sun - AR12665
2017 July 14 Sun - AR12665
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