PTS 發表於 2015-2-8 23:39:55

2015 Feb 08 Sun - huge filament

A huge filament that extends through half of the solar disc is the most prominent feature on the solar disc.

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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