Explanation: On June 2nd, clouds over Stuttgart, Germany parted to reveal what has become a relatively rare sight, spots on the Sun. In fact, the roughly 11-year solar activity cycle is still in a surprisingly deep minimum and the years 2008 and 2009 have had the lowest sunspot counts since the 1950s. Even the latest prediction is that the new cycle, Solar Cycle 24, will reach a maximum in May 2013 with a below-average sunspot count. The Solar Cycle 24 sunspots recorded here are in active region AR 1019. Previously, only two cycle 24 active regions with sunspots, AR 1018 and AR 1017, were seen in May.

Free Lecture: An APOD editor will review great space images this Friday in Kalamazoo, >Michigan.

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Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.

Publikacii s klyuchevymi slovami: solar cycle - sunspot - Solnechnye pyatna - solnechnyi cikl Publikacii so slovami: solar cycle - sunspot - Solnechnye pyatna - solnechnyi cikl
Sm. takzhe: AR 3664 na zahodyashem Solnce AR 3664: gigantskaya gruppa solnechnyh pyaten Solnechnyi minimum protiv solnechnogo maksimuma Pyatna na aktivnom Solnce Solnechnoe pyatno so svetlym mostom Holm solnechnyh pyaten AR2835: ostrova v fotosfere Vse publikacii na tu zhe temu >>