Viewing archive of Tuesday, 7 December 1999

Sunspot numberNew regionsBackground fluxCM
761C1.141

Solar flares

Region Start Maximum End
- C8.7 01:07 01:12 01:14
- C4.3 10:11 10:18 10:22
8790 C1.1 16:10 16:14 16:18
- C2.9 20:44 20:53 21:12
8791 M1.0 21:15 21:20 21:23

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Current data suggest that it is not possible to see aurora now at middle latitudes

Latest news

Today's space weather

Auroral activity Minor Severe
High latitude 25% 35%
Middle latitude 10% 1%
Predicted Kp max 4
Solar activity
M-class solar flare 1%
X-class solar flare 1%
Moon phase
Waning Crescent

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2017/12/05Kp5 (G1)
Number of spotless days in 2017:94
Last spotless day:2017/12/09

This day in history*

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3199417
4200410
520109
*since 1994