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Sunspots and active regions on Apr 16, 1999
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Active areas

Apr 16, 1999
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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
№ 8511S17 W6101AXX000000263ALPHA
№ 8512S27 W4401AXX000000246ALPHA
№ 8513S17 W3404BXO001002236BETA
№ 8514S33 W3307BXO002006235BETA
№ 8515S18 W2014CAO004005222BETA
№ 8516S19 E5508CAO005009147BETA

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)
№ 8508N23 W79281
№ 8509N13 W70272
№ 8510S35 W67270