Very nice result, Tom. Good representation of the differing amounts of detail shown in the two views. Excellent! Gene Lucas On 5/12/2012 13:35, Tom Polakis wrote: > AR1476 is a prominent sunspot group that looks great in white light and > through a Hydrogen alpha filter. I used two different telescopes to make a > movie that shows both views of this region. The 70mm Pronto has become a > dedicated solar scope with a Coronado 60mm SolarMax in front of the > objective. 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. > > http://www.pbase.com/polakis/image/143262478 > > It's interesting to see how some of the fainter photosphere details such as > sunspot penumbras are wiped out by the chromosphere, and how filaments > disappear in the white-light view. > > Tom > -- > See message header for info on list archives or unsubscribing, and please > send personal replies to the author, not the list. > > -- See message header for info on list archives or unsubscribing, and please send personal replies to the author, not the list.