2017 August 1 Sun - AR12670 eruption
After 2 weeks, AR12655 comes back as AR12670 and appears on the E limb with eruption.
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 August 1 Sun - AR12670 eruption
2017 August 1 Sun - AR12670 eruption
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