Posted in Solar Observations, Solar Observations 2005
Tags: active regions, ETX70-AT, full disk, H-alpha, prominences, PST, solar disk, solar sketches, Sun, sunspots, white light
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, ETX70-AT, first light, NOAA 10730, NOAA 10733, NOAA 10734, NOAA 10735, solar disk, Sun, sunspots, white light filter