| First sunspot in weeks is still related to solar cycle 23 |
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| Written by Anthony Watts, Watts Up with That | |||
| Wednesday, 27 February 2008 | |||
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The first new sunspot in weeks has emerged today. The spot that has emerged is small and on the equator, so it appears that it is a cycle 23 spot rather than one from the cycle 24 that is gave one spot on January 8th, signaling a start of cycle 24, but has given no cycle 24 type spots since. Based on what we know about the sun, a cycle 24 spot would be reverse polarity to cycle 23 spots and high latitude. The longer cycle 24 continues to delay producing its spots heightens the concern that we may be in for a longer inactive period on the sun, such as a Dalton type minimum. A thought occurred to me. Given that all of the sunspots seen recently during our solar minimum are very small, I wonder if they could be resolved at all with the primitive equipment available during periods like the Maunder Minimum? Today we have satellites and advanced solar telescopes with hydrogen spectra filters that are available to amateurs, so catching any sunspot, even if small, is now easy. In fact this sunspot was was first noted by an amateur observer, Howard Eskildsen, in Ocala, FL, showing that amateurs still have a role in science. Read rest... 3.26 Copyright (C) 2008 Compojoom.com / Copyright (C) 2007 Alain Georgette / Copyright (C) 2006 Frantisek Hliva. All rights reserved." |
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