Viewing archive of Wednesday, 23 September 1998

Sunspot numberNew regionsBackground fluxCM
1620B5.341

Solar flares

Region Start Maximum End
- C9.3 00:27 00:38 00:46
- C1.2 05:06 05:12 05:25
8340 M7.1 06:40 07:13 07:31
8344 C1.4 22:20 22:26 22:30
8340 C2.2 22:43 22:50 22:55

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Current data suggest that it is not possible to see aurora now at middle latitudes
Active geomagnetic conditions
Observed Kp: 4
The solar wind speed is currently moderately high (638.9 km/sec.)

Latest news

Today's space weather

Auroral activity Minor Severe
High latitude 25% 55%
Middle latitude 25% 5%
Predicted Kp max 5
Solar activity
M-class solar flare 1%
X-class solar flare 1%
Moon phase
New Moon

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2017/12/17Kp5 (G1)
Number of spotless days in 2017:99
Current stretch spotless days:6

This day in history*

Solar flares
11998M8.0
22014M6.9
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41999M1.5
51999C9.4
ApG
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2200413
3200611
420019
520009
*since 1994