new shg : small improvement and much better results

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DSobserver
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new shg : small improvement and much better results

Post by DSobserver » Sun Jul 10, 2016 10:07 pm

Hello my friends

my shg is still not finished. As soon as it is ready, for sure I'll take some pictures! Globally it is same as before but mechanically improve.

For the moment here is my today collection :

Cak

Image

Image

Ha

Image

Image

and He!

Image

Image

I'm still looking why left and right side are not equaly focus...for sure it is slit related...any idea?

highfnum
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Re: new shg : small improvement and much better results

Post by highfnum » Sun Jul 10, 2016 11:31 pm

what grating are you using ?

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Spectral Joe
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Re: new shg : small improvement and much better results

Post by Spectral Joe » Mon Jul 11, 2016 3:30 am

Can you post the raw images? Much can be told from the raw data, but processing muddies things. Could be alignment, or vignetting (very common). A very good start, at any rate.
Observing the Sun with complex optical systems since 1966, and still haven't burned, melted or damaged anything.
Not blind yet, either!
Light pollution? I only observe the Sun, magnitude -26.74. Pollute that!

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marktownley
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Re: new shg : small improvement and much better results

Post by marktownley » Mon Jul 11, 2016 5:39 am

Good images Vincent!
Image
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!

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DSobserver
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Re: new shg : small improvement and much better results

Post by DSobserver » Thu Jul 14, 2016 12:12 pm

here an example in continuum

Image

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