Philips ToUcam Pro PCVC740K 10" LX200 @ f/20 with diagonal; ToUcam Pro at 10 fps, 1/1500 shutter speed; Baader mylar full-aperture filter. Stacked in RegiStax ver 2. More than four years after the solar maximum, the sun continues to produce big sunspots. One is transiting the solar disk today: sunspot 756. It is about five times wider than Earth and poses a threat for M-class solar flares.