THe K7RA Solar Update
07/03/2020
No sunspots this week. The pattern persists, and this surprises me. But Spaceweather.com reported a couple of weak, barely emerging spots, never numbered, and by their magnetic polarity were from new Cycle 25.
We rely on NOAA for official sunspot numbers, and the most recent one reported was 11 on June 15. See ftp://ftp.swpc.noaa.gov/pub/indices/DSD.txt.
Average daily solar flux over the recent reporting week (June 25 to July 1) averaged 68.6 up from 67.7 over the previous seven days. Average daily planetary A index was 4.7, the same as the average middle latitude A index.
...
Читать дальше »
Суббота, 21.12.2024, 17:38
