Fun with the SHG

I LOVE finding out about different ways to appreciate the Sun and light in general. Use this forum to post your info or questions about various outside the mainstream ways to appreciate our life giving star!
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Fun with the SHG

Post by PDB »

Testing continues. Lots of sunshine this morning, time to do a few runs with the Sol'EX (more info on this great project http://www.astrosurf.com/solex/sol-ex-p ... on-en.html ) With all the info on these pages, could build this (even if I include the price of the 3D printer) for less than a Lunt 50.

Still might need to do a few minor adjustments to the collimator but already fairly happy with the result
2021-06-07-0756_7-Ha-Sun_stitch.jpg
2021-06-07-0756_7-Ha-Sun_stitch.jpg (131.1 KiB) Viewed 1079 times
Rgrds,

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Re: Fun with the SHG

Post by highfnum »

well done1
very clean


should this be in spectroscopic forum?


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Re: Fun with the SHG

Post by EGRAY_OBSERVATORY »

Interesting Paul

Terry


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Re: Fun with the SHG

Post by p_zetner »

Very nice result, Paul.
Lots of other spectral lines to explore!
Cheers.
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Re: Fun with the SHG

Post by DeepSolar64 »

With a spectroheliograph you should be able to observe/image in any spectral line! And that Ha image looks really good!!


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Re: Fun with the SHG

Post by Montana »

Wow!! that's one of the best SHG images, well done!!!
:bow :hamster:

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Re: Fun with the SHG

Post by thesmiths »

That's really nice. Did you use Microsoft ICE to stitch together several images? Did 480mm FL not fit entirely on the imaging slit? What frame rate did you use at 16x sidereal?


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Re: Fun with the SHG

Post by marktownley »

This is an excellent result Paul!


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Re: Fun with the SHG

Post by PDB »

Thanks everyone for the comments.
That's really nice. Did you use Microsoft ICE to stitch together several images? Did 480mm FL not fit entirely on the imaging slit? What frame rate did you use at 16x sidereal?
The slit is 4.5 mm. This month it would probably just fit (disk size 4.4 mm) but difficult. Need more practice for that. So just 2 scans and stitching with Microsoft ICE. The frame rate was 440 fps.

Also tried Ca-K this morning, but couldn't get a good scan. Later I noticed a dust mote on the slit. Cleaned, next try tomorrow.

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Re: Fun with the SHG

Post by torsinadoc »

Excellent!


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Re: Fun with the SHG

Post by PDB »

Thanls for all comments and SPOD.

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