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Synoptic Calendar
Kanzelhöhe Sunspot Drawings
1971
Click on date to view!
Jan
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Feb
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Mar
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Apr
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May
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Jun
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Jul
1
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Aug
1
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Sep
1
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9
10
11
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30
Oct
1
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5
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9
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11
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31
Nov
1
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4
5
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10
11
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30
Dec
1
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5
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29
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31
created 2010-09-10
KEAS © KSO
» Institute of Geophysics, Astrophysics and Meteorology
» University of Graz
» Austrian Academy of Sciences
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