The largest sunspot of AR12192 is plainly visible with the naked-eye.
It will cross the meridian in a couple of days.
The flares and aruptions continue on the solar surface.
The last 2 images look like white-light images, but are actually captured through un-heated H-alpha filters
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 2014-11-3 06:59:03