... Article "Periods of "lowered" and "increased" solar activity: observant special features and key facts" by Ishkov V.N. is under the Table 1. ... Reliable solar cycles are in boldface isolated, by italics forecasted values and hypothetical characteristics of cycles to the numbered series (1610-1755). Dark-blue color isolated the solar cycles of the epoch of "lowered" solar activity; violet the solar cycles of the epoch of "increased" solar activity; red - the solar cycles of transition periods. ...