Today at 10:29 UTC the we left the astronomical winter and entered the astronomical spring. Today the day and night are equally long and from now on the days will be longer and longer up until the Summer solstice on the 21st of June.
This photo from today shows a very calm Sun with no sunspots. The sun has now been without sunspots for 14 consecutive days. Last time this happened was in April of 2010. The Suns activity has a cycle of 11 years and the Sun is heading for a new Solar Minimum expected to arrive in 2019-2020. Up until then we can expect even longer periods with no sunspots, broken from time to time by mostly small sunspots.
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| Photo taken with a Lunt LS80THA telescope and a PointGrey Grasshopper 3 camera |
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