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
№ 567S12 W1621eai0160 12070beta-gamma
№ 565S02 W9301hsx0080 03147alpha

H-alpha plages without spots

The following H-alpha plages without spots can be currently observed on the Sun's surface
Area numberCoordinatesCarrington Longitude (in degrees)
№ 568S17 W71126

Solar cycle progression

Average monthly sunspot number (SSN) from 1975, January to 2004, March. 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 />