PTS 發表於 2016-7-22 22:04:12

2016 July 22 Sun

The solar surface is still dominated by the trio AR12565, AR12566 and AR12567 which are close to the western limb.A minor eruption was observed on the SWW limb (movie to be prepared later)


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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