... Sunspot 1024 - pre-trip practice . Sunspot 1024 has at least a dozen individual dark cores and it is crackling with B-class solar flares. The magnetic polarity of sunspot 1024 identifies it as a member of new Solar Cycle 24. ... July 4th, 2009, 17:49EST, Canon XSi/450D, 1/320s, ISO 100, Baader Visual Solar filter, Stellarvue 80x480mm, Televue 2X PowerMate. Submitted by Bruce Berger on 07/05/2009 12:20:37 . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...