My good friend Fulvio Mete has some details of his "version" of a modded PST.
Makes interesting reading.
http://www.lightfrominfinity.org/PST/PST.htm
More PST Mod options..
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Merlin66
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More PST Mod options..
"Astronomical Spectroscopy - The Final Frontier" - to boldly go where few amateurs have gone before
https://groups.io/g/astronomicalspectroscopy
http://astronomicalspectroscopy.com
"Astronomical Spectroscopy for Amateurs" and
"Imaging Sunlight - using a digital spectroheliograph" - Springer
https://groups.io/g/astronomicalspectroscopy
http://astronomicalspectroscopy.com
"Astronomical Spectroscopy for Amateurs" and
"Imaging Sunlight - using a digital spectroheliograph" - Springer
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colinsk
Re: More PST Mod options..
I love how the etalon is 1A wide but since the H-alpha peak is lower that the "solar measured" bandwidth of the etalon is 1.14A.
I had not considered that variable when measuring an etalon with solar incidence.
I had not considered that variable when measuring an etalon with solar incidence.
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marktownley
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Re: More PST Mod options..
Very interesting, thanks for sharing Ken 
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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swisswalter
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Re: More PST Mod options..
Hi Ken
thank you very much for sharing. Interesting combination with the herschel wedge. I guess he has to crank up the gain quite considerably in order to get a good pic
thank you very much for sharing. Interesting combination with the herschel wedge. I guess he has to crank up the gain quite considerably in order to get a good pic
Only stardust in the wind, some fine and some less fine scopes, filters and adapters as well. Switzerland 47 N, 9 E, in the heart of EUROPE
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from 7 am - 7 pm http://www.nanosys.ch
from 7.01 pm - 6.59 am http://www.wastronomiko.com some times vice versa
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rbotero
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Re: More PST Mod options..
Many thanks for the link Ken! Very good reading. I've always dreaded having to spend £££s on a front end ERF and this may be the solution!
Roberto B)
Roberto B)