Hello friends.
I would like to try my SolarSpectrum in a 80mm F/7 APO, but I don’t have a external D-Erf for it. Can I use a Baader H-Alpha 35nm (2”) as an internal ERF? (in front of the telecentric lense)?
BR
Ronnie
Doubt about internal ERF...
- Ronnie_Clayton
- Ohhhhhh My!
- Posts: 174
- Joined: Thu Aug 24, 2017 11:00 pm
- Location: Maringá - Brazil
- Has thanked: 10 times
- Been thanked: 130 times
- marktownley
- Librarian
- Posts: 42545
- Joined: Tue Oct 18, 2011 5:27 pm
- Location: Brierley Hills, UK
- Has thanked: 20813 times
- Been thanked: 10485 times
- Contact:
Re: Doubt about internal ERF...
Absolutely, no problem with that at all.
Welcome back BTW Ronnie
Welcome back BTW Ronnie
http://brierleyhillsolar.blogspot.co.uk/
Solar images, a collection of all the most up to date live solar data on the web, imaging & processing tutorials - please take a look!
- Ronnie_Clayton
- Ohhhhhh My!
- Posts: 174
- Joined: Thu Aug 24, 2017 11:00 pm
- Location: Maringá - Brazil
- Has thanked: 10 times
- Been thanked: 130 times
Re: Doubt about internal ERF...
Many thanks for you quickly answer Mark!
I visit this wonderful site every day... but unfortunately I have just a few solar sessions during the year, normally during the autumn/winter here in Brazil. That´s why I haven't posted anything these months. But my 2020 season will start in a few days and I´ll post some pictures here! :-).
Best Regards!
Ronnie
I visit this wonderful site every day... but unfortunately I have just a few solar sessions during the year, normally during the autumn/winter here in Brazil. That´s why I haven't posted anything these months. But my 2020 season will start in a few days and I´ll post some pictures here! :-).
Best Regards!
Ronnie