Despite the day beginning with a blanket of clouds, by 3PM the southern sky was clear. I set up for a Halloween solar photoshoot. Today’s comparison views of the solar disk appear below. I’ve increased the exposure time to 0.03 sec to help bring out the sunspots and other details. I had previously been shooting 0.02 sec frames.
The H-alpha image in the left pane above shows at least eight, bright plages (active regions) and ten or more filaments. There’s also a remarkable prominence just west of the southern solar limb (rim). It is a large streamer of solar plasma being injected into the chromosphere and probably into the corona as well. Highlighted, it looked like this:
Today’s annotated sunspot cameo appears below.
