Sunspots, Solar Cycle, and Observing the Sun. What We Don’t Know. What are the precise causes of flares and CMEs? Why do sunspots cycle in an 11 year cycle? Why is the corona is hotter than the photosphere?. Solar Sunspot Cycle. The sun spot count peaks every 11 years
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Celeostat is a motorized reflective telescope
Direct view or pin-hole projection system
Filtered standard telescope – many filter types available
Solar Dobsonian telescope – using 1-way mirror and uncoated mirror
Missions & Observatories
Solar Observing Organizations