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Highlights 2019
Highlights 2018
Observing guide
1. All about the Sun
2. Looking at the Sun safely
3. Which telescope is best for solar?
4. What are hydrogen alpha and calcium filters?
5. Making a solar observation
6. Counting and recording activity for the SPA
7. Imaging the Sun – the basics
8. Imaging the Sun – using webcams
9. Solar eclipses
10. Solar history (a brief guide)
Top 32 largest sunspots
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Solar news
Blank Sun
Geoff Elston
Solar news
24th May 2019
0 Comment
The Sun is once again spotless.
