CME IMPACT: An interplanetary shock wave (probably the leading edge of a CME) hit Earth's magnetic field on Nov. 12th at approximately 2300 UT, filling skies over northern Scandinavia with bright auroras. Oskar Pettersson sends this picture from Luleå, Sweden:
"Half of the sky was green and I stayed out for 5 hours observing the dancing light before heading home," says Pettersson.
More auroras are in the offing as Earth passes through the magnetized wake of the CME. Our planet's polar magnetic field is currently unsettled, and this could be a sign that a full-fledged storm is brewing at high-latitudes. Stay tuned for updates.
More auroras are in the offing as Earth passes through the magnetized wake of the CME. Our planet's polar magnetic field is currently unsettled, and this could be a sign that a full-fledged storm is brewing at high-latitudes. Stay tuned for updates.
EASTERN ACTIVITY: A phalanx of sunspots is rotating over the sun's eastern limb, and this could bring an uptick in solar activity. "Today the sun looks alive again with lots of sunspots and magnetic filaments rising over the sun's eastern edge," reports amateur astronomer Sergio Castillo, who sends this picture from Inglewood, California:
Castillo took the picture using a solar telescope capped with a Ca K filter tuned to the light of singly-ionized calcium. Ca K ("calcium K") filters are particularly good at revealing the magnetic froth around active sunspots; pictured above is sunspot complex 1614-1615.
"These active regions look great," says Castillo, "but nothing is going to be more amazing than tomorrow's total solar eclipse that is going to be visible in Australia. I expect to see amazing images from astronomers in that location."
"These active regions look great," says Castillo, "but nothing is going to be more amazing than tomorrow's total solar eclipse that is going to be visible in Australia. I expect to see amazing images from astronomers in that location."
| Solar Wind speed: 412.3 km/sec density: 3.6 protons/cm3 explanation | more data Updated: 13 Nov at 0947 UT X-ray Solar Flares 6-hr max: M2 0550 UT Nov13 24-hr: M6 0204 UT Nov13 explanation | more data Updated: 13 Nov at: 0900 UT www.spaceweather.com |
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