Thread: Spectroheliograph.. my version
View Single Post
  #36  
Old 17-10-2022, 11:59 AM
Merlin66's Avatar
Merlin66 (Ken)
Registered User

Merlin66 is offline 		 
Join Date: Oct 2005
Location: Junortoun Vic
Posts: 8,927
Bojan,
Yes, That looks like the Telluric line at 7400A.You should be able to use the scale to get pretty close to H alpha at 6563A


Onwards and Upwards
Ken
Reply With Quote