A scope a work sounds great, is yours a Coronado? Ann M. Blanchard Executive Assistant to the Assoc. VP Undergraduate Studies 110 Sill University of Utah (801) 581-3188 a.blanchard@ugs.utah.edu -----Original Message----- From: utah-astronomy-bounces+a.blanchard=ugs.utah.edu@mailman.xmission.com [mailto:utah-astronomy-bounces+a.blanchard=ugs.utah.edu@mailman.xmission .com] On Behalf Of Chuck Hards Sent: Tuesday, May 01, 2007 9:22 AM To: Utah Astronomy Subject: Re: [Utah-astronomy] Sunspot Ann, sunspots can form and dissipate at any time, but- It takes the sun just under a month to rotate once on it's axis, so if you catch the spot as soon as it rotates into view, you have about a two-week period of visibility assuming it doesn't dissipate before it rotates out-of-view. Sometimes they last long enough to come around again. But no guarantees. I keep a small white-light solar telescope in my office and often check the sun at lunchtime, weather permitting. On 5/1/07, Ann Blanchard <a.blanchard@ugs.utah.edu> wrote: How long do sunspots typically stay visible? _______________________________________________ Utah-Astronomy mailing list Utah-Astronomy@mailman.xmission.com http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Visit the Photo Gallery: http://www.utahastronomy.com