made 1200lpmm transmission grating unit

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highfnum
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made 1200lpmm transmission grating unit

Post by highfnum » Sun Dec 20, 2015 4:43 pm

only had a few minutes of sun in between trees
picked Mg line cause its easy
a1200mg.jpg
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highfnum
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Re: made 1200lpmm transmission grating unit

Post by highfnum » Sun Dec 20, 2015 4:45 pm

this is rig with transmission grating substituted for reflective grating

so now i have 2400 , 1800 reflective
1200 transmission
a1200small.jpg
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Montana
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Re: made 1200lpmm transmission grating unit

Post by Montana » Sun Dec 20, 2015 5:22 pm

That's great! looks a little like an off band CaK in appearance, there is a nice bright ring round the penumbra :bow :bow :hamster:

Alexandra

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marktownley
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Re: made 1200lpmm transmission grating unit

Post by marktownley » Sun Dec 20, 2015 5:23 pm

Dang, I have to get my act in gear and get on with this...

Impressive material John! :)
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highfnum
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Re: made 1200lpmm transmission grating unit

Post by highfnum » Sun Dec 20, 2015 6:59 pm

thx
Montana I notice ring also
here is mg sun using center Mg line
mginnerline.jpg
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highfnum
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Re: made 1200lpmm transmission grating unit

Post by highfnum » Sun Dec 20, 2015 7:00 pm

here is close in
mgring.jpg
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highfnum
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Re: made 1200lpmm transmission grating unit

Post by highfnum » Sun Dec 20, 2015 7:01 pm

here is snapshot of maximum sun spot in spectrum
mgclose.JPG
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highfnum
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Re: made 1200lpmm transmission grating unit

Post by highfnum » Sun Dec 20, 2015 7:02 pm

here is close up of mg line spectrum

bottom one almost looks like its split
mgcin.jpg
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Montana
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Re: made 1200lpmm transmission grating unit

Post by Montana » Mon Dec 21, 2015 10:27 am

Fabulous! :hamster: :bow :bow

Alexandra

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