2015 September 4 Sun -huge prominences
Huge prominences appear on the E and W limb today.Both show mass flow.
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.
頁:
[1]