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Sunspots and active regions on Mar 11, 2017
RUS↔ENG

Active areas

sunspots

Sunspots and active regions

No sunspots and sunspot groups can be currently observed on the Sun's surface

H-alpha plages without spots

No H-alpha plages without spots can be currently observed on the Sun's surface


Solar cycle progression

Average monthly sunspot number (SSN) from 1988, January to 2017, March. Gray background - average solar cycle.
Average monthly sunspot number (SSN) from 1988, January to 2017, March