Propagation de K7RA

Southgate ARC – A single small sunspot appeared on July 21, then disappeared.
Previous to that, no sunspots appeared since June 26. The daily sunspot number on July 21 was 11, which is the minimum non-zero sunspot number

from rssfeedtop10 https://ift.tt/2OpK34v
via IFTTT

from WordPress https://ift.tt/2Ojytbj
via IFTTT