• Sunspot 1675 generated impulsive M1.9 solar flare

    An impulsive solar flare measuring M1.9 erupted from Region 1675 on February 17, 2013. The event started at 15:45, peaked at 15:50 UTC and ended at 15:52 UTC. A 10cm Radio Burst was recorded from 15:47 – 15:51 UTC.Space Weather Message Code: SUM10RSerial Number:

  • Steps to organize an international response to space weather effects

    We are now fully into solar maximum and the United Nations is taking steps to organize an international response to space weather effects. Space weather was added to the regular agenda of the COPUOS Science and Technical Subcommittee, which means the UN is recognizing

  • Solar prominences on January 23, 2013

    Solar activity remained at low levels for the past 24 hours. However, there were two large prominence eruptions on January 23, 2013. First large prominence erupted from the southern limb in early hours, producing south-directed  CME cloud, away from Earth. It was

  • Earth Gamma-Ray Blasters

    From NASA Goddard Space Flight Center. NASA’s The Fermi Gamma-ray Space Telescope has been catching brief outbursts of high-energy light that are mysteriously produced above thunderstorms. The outbursts, known as terrestrial gamma-ray flashes (TGFs), last only a few

  • Sunspot 1654 still dominates the visible solar disk

    Active Region 1654 has traveled half across the Earth facing side of the Sun and now is squarely facing Earth. On January 13, this huge sunspot reached its maximum size measured as more than 193 000 km (120, 000 miles) wide long or 15 Earth diameters) from end to