On July 8, 2023, sun activity was relatively low, with 11 C-class solar flares recorded over 24 hours.1 The most active region of the day was AR3361, which produced the largest flare, a C4.2, at 1:44 UTC.1 Despite the overall calm, three sunspot regions were prominent and of particular interest in the visible spectrum:
- AR3363: The largest sunspot region, easily visible in this image.
- AR3361: A highly active region in the northeast, responsible for several flares.
- AR3366: A large and distinct region located in the southwest quadrant.
Photo of the Sun captured from my backyard on 8 July 2023,2 showing several active regions (sunspots) visible on its Earth-facing side, including notable regions AR3361, AR3363, and AR3366.1
Want to learn more? Check out here for a detailed report on sun activity.
Sun activity for July 8, 2023: 3 sunspot regions hold promise. Earthsky. ↩ ↩2 ↩3
Sun 2023-07-08. Flickr. ↩