Sunspot region AR9717

Number of
sunspots
Size Class Magn. Class Spot Location
2001/11/28 1 160 HAX N06E78
2001/11/29 2 230 CAO N04E65
2001/11/30 4 280 EKO N04E53
2001/12/01 3 320 EKO N05E40
2001/12/02 3 270 EAO N04E27
2001/12/03 6 230 EAO N05E13
2001/12/04 11 210 FAI N04E00
2001/12/05 6 170 EAO N04W13
2001/12/06 4 150 CSO N05W31
2001/12/07 4 130 CSO N05W44
2001/12/08 1 110 HSX N05W61
2001/12/09 1 100 HSX N05W74
2001/12/10 1 70 HSX N05W88
C
2

The top 2 solar flares from sunspot region 9717

Start Maximum End
1C5.632001/12/0705:1005:2806:14
2C5.552001/12/0203:2803:3403:38

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Space weather facts

Last X-flare2026/04/24X2.5
Last M-flare2026/04/27M1.0
Last geomagnetic storm2026/04/20Kp5 (G1)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
March 202685.9 +7.7
April 202686.4 +0.5
Last 30 days91.1 +5.9

This day in history*

Solar flares
12001M1.01
22026C9.2
32024C8.3
42024C7.7
52024C7.6
DstG
11960-147G3
21969-99G3
31985-98G3
41979-88G1
51989-74G1
*since 1994

Aurora on this day in history

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