RUS↔ENG

Active areas

sunspots

Sunspots and active regions

The following regions with sunspots can be now observed on the Sun's surface
Group numberSunspots Location on the SunThe number of spots in the groupThe classification by the Zurich's modified systemArea (millions of shares of the solar hemisphere)Group length (in degrees)Carrington Longitude (in degrees)Group's magnet type
№ 522N16 W5005cso0020 05091beta
№ 521S12 E3404dso0080 06007beta
№ 520N02 E3301hsx0110 02008alpha

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 1974, January to 2003, December. Gray background - average solar cycle.
<br />
<b>Warning</b>:  Trying to access array offset on value of type null in <b>/var/www/xras.ru/html/tpl/templates_c/72a296dc6f30bb59059ce9874fc5453bc3acbfd2_0.file_sun_ptn_23.tpl.php</b> on line <b>161</b><br />