[AZ-Observing] Re: The Sun: Toggle Between White-Light and H-Alpha

  • From: Joe Bergeron <joe@xxxxxxxxxxxxxxx>
  • To: az-observing@xxxxxxxxxxxxx
  • Date: Sat, 12 May 2012 23:17:58 -0400

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


See message header for info on list archives or unsubscribing, and please 
send personal replies to the author, not the list.

Other related posts: