On May 12, 2012, at 4:35 PM, Tom Polakis wrote: > The TV101 uses a Lunt solar wedge to provide white-light views. I imaged > the region in H-alpha at 11:08 this morning, and changed out scopes to image > it in white light 18 minutes later. The resulting animated GIF might take a > little while to load. > Tom, the Lunt wedge is an interesting accessory. Are you aware that Lunt warns against using it with a Petzval scope like yours, for fear of overheating the corrector lens assembly toward the back? Joe Bergeron Fellow, International Association of Astronomical Artists http://www.joebergeron.com -- See message header for info on list archives or unsubscribing, and please send personal replies to the author, not the list.