Post by Renae/k9do on Feb 17, 2023 19:13:29 GMT
Many sunspots appeared over this reporting week (February 9-15) with three new sunspot groups on February 9, one more on February 10, two
more on February 11, another on February 12 and three more on February 13. Finally, there was one more yesterday, Thursday,
February 16.
Predicted planetary A index is 22, 30, 12, 8 and 12 on February 17-21, 10 on February 22-24, then 5, 5 and 8 on February 25-27,
another 5, 5, and 8 on February 28 through March 2, then 5, 5 and 16 on March 3-5, then 18, 15 and 8 on March 6-8, and 5 on March 9-20,
then 10 on March 21-23, and 5, 5 and 8 on March 24-26, and another 5, 5 and 8 on March 27-29.
Sunspot numbers for February 9 through 15, 2023 were 150, 190, 209, 197, 185, 206, and 140, with a mean of 182.4. 10.7 cm flux was
214.9, 207.8, 209.5, 199.7, 189.2, 179.7, and 173.7, with a mean of 196.4. Estimated planetary A indices were 21, 16, 11, 7, 4, 8, and
29, with a mean of 13.7. Middle latitude A index was 16, 12, 10, 5, 3, 6, and 23, with a mean of 10.7.
more on February 11, another on February 12 and three more on February 13. Finally, there was one more yesterday, Thursday,
February 16.
Predicted planetary A index is 22, 30, 12, 8 and 12 on February 17-21, 10 on February 22-24, then 5, 5 and 8 on February 25-27,
another 5, 5, and 8 on February 28 through March 2, then 5, 5 and 16 on March 3-5, then 18, 15 and 8 on March 6-8, and 5 on March 9-20,
then 10 on March 21-23, and 5, 5 and 8 on March 24-26, and another 5, 5 and 8 on March 27-29.
Sunspot numbers for February 9 through 15, 2023 were 150, 190, 209, 197, 185, 206, and 140, with a mean of 182.4. 10.7 cm flux was
214.9, 207.8, 209.5, 199.7, 189.2, 179.7, and 173.7, with a mean of 196.4. Estimated planetary A indices were 21, 16, 11, 7, 4, 8, and
29, with a mean of 13.7. Middle latitude A index was 16, 12, 10, 5, 3, 6, and 23, with a mean of 10.7.