View Single Post
  #7  
Old 29-03-2020, 07:55 PM
Merlin66's Avatar
Merlin66 (Ken)
Registered User

Merlin66 is offline
 
Join Date: Oct 2005
Location: Junortoun Vic
Posts: 8,904
All you need is a Spectral image of the nebula to fully show the emission lines and any absorption lines.
You could then map these to you filter cut off wavelengths.......
Reply With Quote