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Sunspot region AR11722

Number of
sunspots		 Size Class Magn. Class Spot Location
2013/04/10 3 20 CSO S20E44
2013/04/11 4 80 DAO S21E30
2013/04/12 4 30 DRO S21E17
2013/04/13 4 20 CRO S21E03
2013/04/14 4 20 CRO S22W11
2013/04/15 5 30 CAO S21W24
2013/04/16 8 40 CAO S20W36
2013/04/17 6 90 DAO S19W48
2013/04/18 10 90 DAO S20W62
2013/04/19 6 40 CAO S21W73
2013/04/20 4 30 CRO S20W86
2013/04/21 4 30 CRO S20W0*
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AR4420 211AR4425 49Incoming & Unnumbered Active Regions 293SWPC Display bug or other issues 27Comet C/2025 R3 (PANSTARRS) 12
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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

No observations submitted for this day in history. If you've observed the aurora and you have some amazing photos to show off, submit your observations now!
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