The solar surface is dominated by AR12625 and AR12626. These 2 active regions is close to the disc centre, and occupy huge area.
The large prominence on the NE limb has become narrower and fainter each day.
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 2017-1-19 21:36:01