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.
|
|---|
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 |
