Saturday, October 31, 2020

Halloween Sunspots

The Sun is active again as we can see some sunspots. Two group of sunspots (AR2778& 2779) can be found near the limb of the Sun.

The picture is a combination of two pictures, both with Nikon D7500 and TAL200K f/8.5:
1) Solar film ND5, ISO 500, 1/800s 
2) Solar film ND5 and Solar Continuum filter, ISO 800, 1/80s
Stacking is done with CS4.