Sun and a Large Sunspot Group - 20 jan 2012

sunspot group 1401 1402 1405 1407 20/01/2012

sun and sunspots on a cloudy day - january 2012 - dslr - white filter

Large sunspot group on a cloudy day, taken in Rehovot, Israel. 20/01/2012 , 12:00 (UTC+2). Sunspots: 1401, 1407, 1402, 1405. Telescope: Stellarvue ED80 refractor, white light solar filter (baader film). Canon EOS 500D DSLR in prime focus, with Televue 2.5X powermate. Stack of 70 frames, ISO 200, 1/400 sec. (lower image is a single 1/125sec frame).