using a new solar filter, all in preparation for the annular solar eclipse in one month’s time. I’m very excited.
My image captured early this afternoon with a 400 mm telephoto lens with solar filter (ND 100000).
For comparison, here’s the daily image from spaceweather.com with sunspot numbers, acquired by the Solar Dynamics Observatory.
More about the quickly approaching 14 October 2023 annular solar eclipse: Eclipse America 2023. IMPORTANT: Proper eye protection must be used to observe all phases of this event.