AR12619 is the bright AR between the east limb and centre of disc.
Duration of observation: from 15h16m16s - 15h16m18s - less than 2 seconds
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.
發表於 2016-12-25 11:56:29