Viewing archive of Sunday, 21 December 2003

Sunspot numberNew regionsBackground fluxMaximum fluxC
105 11B4.0C4.565

Solar flares

RegionStartMaximumEnd
0528C4.5 02:3802:4603:14
0000C2 04:1004:1604:21
0525B7.1 06:1706:2106:24
0528B9.3 07:2807:3107:34
0525C2.1 10:1410:1810:25
0528C2 12:5312:5713:01
0528C1.1 21:2421:3021:36

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/10/26Kp5 (G1)
Number of spotless days in 2019:244
Current stretch spotless days:17

This day in history*

Solar flares
12013X1.0
22003M1.7
32000C9.1
42003C9.1
52003C8.8
ApG
1199422G1
2200120
3200214
4200312
5199912
*since 1994

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