Hello everyone,
Enjoying a clear view of the sky in Paris, I have taken 4 spectroheliograms near the central lines on the H alpha, H beta, and CaK3 CaK1V.
http://img15.hostingpics.net/pics/78748 ... lerJPo.jpg
http://img15.hostingpics.net/pics/15868 ... otuJPo.jpg
http://img15.hostingpics.net/pics/28095 ... 1V1JPo.jpg
http://img15.hostingpics.net/pics/36142 ... Hb1JPo.jpg
Good transparency, high frequency turbulence, moderate wind.
Have a nice evening
Jean-Jacques
J-J Poupeau - Some great spectroheliograms
- Merlin66
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J-J Poupeau - Some great spectroheliograms
"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
- swisswalter
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Re: J-J Poupeau - Some great spectroheliograms
Hi Ken
good stuf from jean jacques. Thanks for posting
good stuf from jean jacques. Thanks for posting
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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