Go Back   IceInSpace > Equipment > Astrophotography and Imaging Equipment and Discussions

Reply
 
Thread Tools Rate Thread
  #1  
Old 14-06-2021, 11:23 AM
Stonius's Avatar
Stonius (Markus)
Registered User

Stonius is offline
 
Join Date: Mar 2015
Location: Melbourne
Posts: 1,495
Is it possible to use Ha and SII filters as IR planetary?

Given that (broadband) IR planetary filters range from 650 to 850 nm, and Ha and SII are both within that range (656 & 672nm), can NB filters be used for planetary IR?

In the same vein, I'm curious whether an RGB image of the planets look any different if constructed from a 7nm sampling centered around the red, green and blue frequencies? IOW, using hypothetical narrowband RGB filters? I guess analagous to how white LED's construct what looks like white light by blending 3 pure wavelenghts, ie, the spectrum is not continuous.

I'm guessing less light would make it very seeing dependent, but I wonder if the narrow bandwidth may reduce chromatic aberration, and ?possibly? atmospheric effects?

Anyone hazard a guess?

Markus
Reply With Quote
Reply

Bookmarks

Thread Tools
Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT +10. The time is now 10:01 PM.

Powered by vBulletin Version 3.8.7 | Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.
Advertisement
Bintel
Advertisement
Testar
Advertisement