Posted in Solar Observations, Solar Observations 2005 Tags: charcoal, ETX70-AT, faculae, NOAA 1037, NOAA 10822, NOAA 10835, penumbrae, solar projection sketching, solar sketches, sunspots, umbrae
Posted in Solar Observations, Solar Observations 2005 Tags: active regions, charcoal, filaments, H-alpha, NOAA 10822, NOAA 10830, NOAA 10833, NOAA 10835, prominences, PST, solar sketches, Sun
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PCW Memorial Observatory - Erika Rix 