The display was remarkable not only for its full-Moon intensity, but also for its latitude. 'We could see the auroras despite the strong moonlight,' reports Petr Horálek of Záhradné, Slovakia. Glare from the nearly full Moon threatened to overwhelm the light show, but. 25th, a G2-class geomagnetic storm sent auroras cascading across Europe. The impact could spark a G1-class geomagnetic storm. However, a NASA model suggests it will graze our planet's magnetic field on Nov. The bulk of the storm cloud will pass south of Earth. The filament whiplashed a CME into space: movie. 27th (~0500 UT), carving a 'canyon of fire' in the sun's atmosphere:

CME alerts: SMS TextĬANYON OF FIRE ERUPTION MIGHT GRAZE EARTH: A solar magnetic filament erupted on Nov. 1 could cause G2-class geomagnetic storms. Make that three CMEs? Follow-up eruptions of two more magnetic filaments may have also hurled CMEs in our direction. MULTIPLE CMEs ARE COMING: Yesterday's canyon of fire eruption (described below) sent a CME toward Earth. 28, 2023, as a show of thanks for years of service and hope for future daisies: Until then, we will maintain AIM's iconic 'daily daisy,' frozen at Feb. There may be some hope of a recovery as AIM's orbit precesses into full sunlight in 2024. As a result AIM is offline, perhaps permanently. What happened to NASA's AIM spacecraft, which has been monitoring NLCs since 2007? Earlier this year, the spacecraft's battery failed. As the season progresses, these dots will multiply in number and shift in hue from blue to red as the brightness of the clouds intensifies. For the rest of the season, daily maps from NOAA 21 will be presented here:Įach dot is a detected cloud. An instrument onboard NOAA 21 ( OMPS LP) is able to detect NLCs (also known as 'polar mesospheric clouds' or PMCs). The first clouds were detected inside the Arctic Circle by the NOAA 21 satellite. The northern season for NLCs began on May 26th. Solar wind flowing from this small coronal hole could reach Earth on Nov. Switch to: Europe, USA, New Zealand, Antarctica

Neutron counts from the University of Oulu's Sodankyla Geophysical Observatory show that cosmic rays reaching Earth are slowly declining-a result of the yin-yang relationship between the solar cycle and cosmic rays. Credit: SDO/HMIĬosmic Rays Solar Cycle 25 is intensifying, and this is reflected in the number of cosmic rays entering Earth's atmosphere. Sunspot AR3500 has a 'delta'-class magnetic field that poses a threat for X-class solar flares.

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