only had a few minutes of sun in between trees
picked Mg line cause its easy
made 1200lpmm transmission grating unit
-
- Way More Fun to Share It!!
- Posts: 2031
- Joined: Sat Nov 24, 2012 2:33 pm
- Has thanked: 57 times
- Been thanked: 1190 times
-
- Way More Fun to Share It!!
- Posts: 2031
- Joined: Sat Nov 24, 2012 2:33 pm
- Has thanked: 57 times
- Been thanked: 1190 times
Re: made 1200lpmm transmission grating unit
this is rig with transmission grating substituted for reflective grating
so now i have 2400 , 1800 reflective
1200 transmission
so now i have 2400 , 1800 reflective
1200 transmission
- Montana
- Librarian
- Posts: 34563
- Joined: Mon Oct 17, 2011 5:25 pm
- Location: Cheshire, UK
- Has thanked: 17672 times
- Been thanked: 8795 times
Re: made 1200lpmm transmission grating unit
That's great! looks a little like an off band CaK in appearance, there is a nice bright ring round the penumbra
Alexandra
Alexandra
- marktownley
- Librarian
- Posts: 42280
- Joined: Tue Oct 18, 2011 5:27 pm
- Location: Brierley Hills, UK
- Has thanked: 20448 times
- Been thanked: 10254 times
- Contact:
Re: made 1200lpmm transmission grating unit
Dang, I have to get my act in gear and get on with this...
Impressive material John!
Impressive material John!
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!
-
- Way More Fun to Share It!!
- Posts: 2031
- Joined: Sat Nov 24, 2012 2:33 pm
- Has thanked: 57 times
- Been thanked: 1190 times
Re: made 1200lpmm transmission grating unit
thx
Montana I notice ring also
here is mg sun using center Mg line
Montana I notice ring also
here is mg sun using center Mg line
-
- Way More Fun to Share It!!
- Posts: 2031
- Joined: Sat Nov 24, 2012 2:33 pm
- Has thanked: 57 times
- Been thanked: 1190 times
-
- Way More Fun to Share It!!
- Posts: 2031
- Joined: Sat Nov 24, 2012 2:33 pm
- Has thanked: 57 times
- Been thanked: 1190 times
-
- Way More Fun to Share It!!
- Posts: 2031
- Joined: Sat Nov 24, 2012 2:33 pm
- Has thanked: 57 times
- Been thanked: 1190 times
Re: made 1200lpmm transmission grating unit
here is close up of mg line spectrum
bottom one almost looks like its split
bottom one almost looks like its split
- Montana
- Librarian
- Posts: 34563
- Joined: Mon Oct 17, 2011 5:25 pm
- Location: Cheshire, UK
- Has thanked: 17672 times
- Been thanked: 8795 times