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)
More data

Red (605-610 nm)
More data
Current data suggest that it is not possible to see aurora now at middle latitudes
The solar wind speed is currently moderately high (512.6 km/sec.)

Latest news

Today's space weather

Auroral activity Minor Severe
High latitude 30% 35%
Middle latitude 10% 1%
Predicted Kp max 4
Solar activity
M-class solar flare 1%
X-class solar flare 1%
Moon phase
Last Quarter

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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*

Solar flares
12001M5.6
22001M4.8
32001M3.0
42000M1.3
52001C9.3
ApG
1200428G1
2200627G1
3200325G1
4201418
5199415
*since 1994