Sunday, November 1, 2015


From SpaceWeather:
(ALMOST CERTAIN) CHANCE OF STORMS: NOAA forecasters estimate a 90% chance of geomagnetic storms on Nov. 2nd-3rd when a fast-moving stream of solar wind is expected to hit Earth's magnetic field. Solar wind speeds could exceed 800 km/s and spark a strong G3-class geomagnetic storm. Sky watchers in the USA should be alert for Northern Lights as far south as, e.g., Oregon and Illinois. Aurora alerts: text or voice

MONSTER SUNSPOT: So you thought Halloween was over? Think again. On the sun today there is a monster sunspot. AR2443 has more than quadrupled in size since it first appeared on Oct. 29th, and it now stretches more than 175,000 km from end to end. Philippe Tosi took this picture of the active region on Nov. 1st from his backyard observatory in Nîmes, France:
The sunspot has more than a dozen dark cores, many of which are as large as terrestrial continents--and a couple as large as Earth itself....MORE
Meanwhile SolarHam is focused not on 2443 but on the new area of sunspots that just popped up :