A busy day on the sun, featuring several large sunspot groups visible to the naked (but safely filtered!) eye.
October 30, 2003/ Astro-Physics 4.1" traveler with Baader AstroSolar filter and a digital SLR camera
© Alan Friedman | all rights reserved
A busy day on the sun, featuring several large sunspot groups visible to the naked (but safely filtered!) eye.
October 30, 2003/ Astro-Physics 4.1" traveler with Baader AstroSolar filter and a digital SLR camera
© Alan Friedman | all rights reserved