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
№ 549N14 E5705eao0180 11046beta
№ 548N06 E1703bxo0010 03086beta
№ 547S10 W1206dso0060 04115beta
№ 546S12 E2703cso0030 04076beta

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)
№ 545S20 W58161

Solar cycle progression

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