Sun close up of AR4169, 4171, 4172 and 4178 in H-Alpha 12th of August 2025
Sun close up of AR4169, 4171, 4172 and 4178 in H-Alpha 12th of August 2025 by Arne Danielsen
TS-Optics Hypergraph 6
Georg N. NymanAshraf AbuSaraandrea tasselliBrian PuhlColm O'Dwyer
Equipment item: telescope.
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Georg N. Nyman
Hypergraph6 aka Sharpstar150 - circular reflections
TS-Optics Hypergraph 6Sh2-240Troubleshooting +1
Georg N. Nyman
Last post: Georg N. Nyman
Ashraf AbuSara
andrea tasselli
Brian Puhl
Colm O'Dwyer
7478
Jan 15, 2024
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