View Single Post
  #17  
Old 06-04-2008, 07:33 AM
skwinty's Avatar
skwinty (Steve)
E pur si muove

skwinty is offline
 
Join Date: Dec 2007
Location: Cape Town
Posts: 494
Quote:
Originally Posted by Zuts View Post
Hi,

Not sure what you mean here, Eta is a big mass of hydrogen and is supposed to be very red.

Paul
Hi Paul
My 40DH filter cuts off at 700nm. This shows the Ha perfectly.
If I remove the filter and everything above 700nm is passed then I suspect the image would become even more red due to the extended IR wavelength.
check Mill's pic of M42 unprocessed.
Reply With Quote