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by anatoliaa
Thu Jul 04, 2019 6:36 am
Forum: Solar / Lunar / Planetary Images
Topic: Solar prom through a 1930s Hale-style spectrohelioscope
Replies: 1
Views: 4309

Re: Solar prom through a 1930s Hale-style spectrohelioscope

The results that you and your experiment are great, wish you good days!