Sunspot drawings of the biggest sunspot groups in history. The areas after 1976
are corrected by a factor of 1.4 in order to fit into the Greenwich scheme. The group
numbers are NOAA numbers, before 1982 the Greenwich group number was used.
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Nr. 1 on 19470408 Area: 6132 Group: G 1488603 |
Nr. 2 on 19460206 Area: 5080 Group: G 1441702 |
Nr. 3 on 19890313 Area: 5040 Group: NOAA 5395 |
Nr. 4 on 19510517 Area: 4865 Group: G 1676304 |
Nr. 5 on 19460727 Area: 4720 Group: G 1458503 |
Nr. 6 on 19470310 Area: 4554 Group: G 1485104 |
Nr. 7 on 19820617 Area: 4340 Group: NOAA 3776 |
Nr. 8 on 19890905 Area: 4312 Group: NOAA 5669 |
Nr. 9 on 19901120 Area: 4312 Group: NOAA 6368 |
Nr. 10 on 19880630 Area: 4060 Group: NOAA 5060 |
Nr. 11 on 19820715 Area: 4018 Group: NOAA 3804 |
Nr. 12 on 20141024 Area: 3850 Group: NOAA 12192 |
Nr. 13 on 19260119 Area: 3716 Group: G 986103 (from Mt. Wilson) |
Nr. 14 on 19820210 Area: 3696 Group: NOAA 3594 |
Nr. 15 on 20031030 Area: 3640 Group: NOAA 10486 |
The rankings 1 and 6 and the rankings 7 and 11, respectively, are the same groups, just one solar rotatiton apart.
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