Real-time solar images

Mauna Loa Solar Observatory

The Mauna Loa Solar Observatory (MLSO) occupies part of the NOAA Mauna Loa research site located on the flank of Mauna Loa at an elevation of 3440 meters on the island of Hawaii. It is operated by the High Altitude Observatory, a division of the National Center for Atmospheric Research, which is located in Boulder, Colorado. The Mauna Loa Solar Observatory houses several instruments to study the Sun and coronal mass ejections. H-alpha images are provided by the GONG Network.
CoMP K-Cor GONG H-alpha
PSPT CaIIk PSPT Blue PSPT Red

CaIIk (393 nm)
More data

Blue (408-412 nm)
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Red (605-610 nm)
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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-

Latest news

Today's space weather

Auroral activity Minor Severe
High latitude 25% 35%
Middle latitude 15% 1%
Predicted Kp max 4
Solar activity
M-class solar flare 15%
X-class solar flare 1%
Moon phase
Waxing Crescent

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Space weather facts

Last X-flare:2015/05/05X2.7
Last M-flare:2017/08/20M1.1
Last geomagnetic storm:2017/08/23Kp5 (G1)
Number of spotless days in 2017:56
Last spotless day:2017/08/01

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*since 1994