A selection of close-ups showing the current AR activity.
https://www.swpc.noaa.gov/products/solar-synoptic-map
There's a new small spot appearing in the south east.....
Vixen Custom90,DIY CaK filter and ASI 1600
Full disk MiniSHG, ED80, ASI 178 showing the extent of the filaments and a "protus" image showing the many proms.
Enjoy!!!
CaK 17th Feb 2022
- Merlin66
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CaK 17th Feb 2022
"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
- Montana
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Re: CaK 17th Feb 2022
Wow!! I fall in love with your Calcium SHG shots every time I see them
Alexandra
Alexandra