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SpaceWeather.com -- News and information about meteor showers, solar flares, auroras, and near-Earth asteroids
 
Solar wind
speed: 289.2 km/sec
density: 2.2 protons/cm3
explanation | more data
Updated: Today at 2346 UT
X-ray Solar Flares
6-hr max: C1
2133 UT Nov10
24-hr: C2
0504 UT Nov10
explanation | more data
Updated: Today at: 2300 UT
Daily Sun: 10 Nov 12
Sunspot 1610 is growing rapidly and coud soon pose a threat for M-class solar flares. Credit: SDO/HMI
Sunspot number: 65
What is the sunspot number?
Updated 10 Nov 2012

Spotless Days
Current Stretch: 0 days
2012 total: 0 days (0%)
2011 total: 2 days (<1%)
2010 total: 51 days (14%)
2009 total: 260 days (71%)
Since 2004: 821 days
Typical Solar Min: 486 days

Update 10 Nov 2012


The Radio Sun
10.7 cm flux: 106 sfu
explanation | more data
Updated 10 Nov 2012

Current Auroral Oval:
Switch to: Europe, USA, New Zealand, Antarctica
Credit: NOAA/POES
Planetary K-index
Now: Kp= 1 quiet
24-hr max: Kp= 1
quiet
explanation | more data
Interplanetary Mag. Field
Btotal: 3.6 nT
Bz: 2.4 nT south
explanation | more data
Updated: Today at 2347 UT
Coronal Holes: 10 Nov 12
Solar wind flowing from the indicated coronal hole should reach Earth on Nov. 14-15. Credit: SDO/AIA.
SPACE WEATHER
NOAA Forecasts
Updated at: 2012 Nov 10 2200 UTC
FLARE
0-24 hr
24-48 hr
CLASS M
10 %
10 %
CLASS X
01 %
01 %
Geomagnetic Storms:
Probabilities for significant disturbances in Earth's magnetic field are given for three activity levels: active, minor storm, severe storm
Updated at: 2012 Nov 10 2200 UTC
Mid-latitudes
0-24 hr
24-48 hr
ACTIVE
05 %
35 %
MINOR
01 %
20 %
SEVERE
01 %
05 %
High latitudes
0-24 hr
24-48 hr
ACTIVE
15 %
10 %
MINOR
15 %
25 %
SEVERE
05 %
55 %
 
Saturday, Nov. 10, 2012
What's up in space
 

Listen to radar echoes from satellites and meteors, live on listener-supported Space Weather Radio.

 
Spaceweather Radio is on the air

TOTAL ECLIPSE OF THE SUN: Scientists and sky watchers are converging on the northeast coast of Australia, near the Great Barrier Reef, for a total eclipse of the sun on Nov. 13/14. For researchers, the brief minutes of totality open a window into some of the deepest mysteries of solar physics. [video] [full story]

TAURID METEOR SHOWER: Earth is passing through a stream of gravelly debris from Comet Encke, source of the annual Taurid meteor shower. Because the debris stream is not very congested, Taurid meteor rates are usually low, around 5 per hour. The special thing about Taurids is that they tend to be fireballs. Amateur astronomer Thomas Ashcraft photographed this Taurid exploding over eastern New Mexico on Nov. 9th:

"It was brighter than the full moon and its brightness penetrated the eyelids of sleepers!" says Ashcraft. The disintegrating meteoroid ionized a column of air that acted as a mirror for radio waves. "The soundtrack of the video is the echo of some distant transmitters I recorded at 61.250 MHz and 67.250 MHz," he explains.

Forecasters expect this fireball shower to peak on the nights around Nov. 12th. Monitor the realtime meteor gallery for the latest sightings.

Realtime Meteor Photo Gallery

FARSIDE EXPLOSION: As solar activity picks up on the Earthside of the sun (see "Broken Quiet" below), the farside of the sun is coming alive, too. During the early hours of Nov. 9th, a magnetic filament located behind the sun's southeastern limb erupted, hurling a bright coronal mass ejection (CME) into space:

This explosion was not geoeffective, but future explosions might be. The blast site, still potent, is just days away from rotating onto the Earthside of the sun. You can monitor its progress using NASA's 3D Sun app for smartphones, which makes it easy to view and explore the farside of the sun.

Realtime Space Weather Photo Gallery

BROKEN QUIET: A weeks-long spell of solar quiet was broken on Nov. 8th (02:34 UT), when new sunspot AR1611 unleashed an M1.7-class flare. NASA's Solar Dynamics Observatory captured the extreme UV flash:

 

Because of the blast site's location on the sun's northeastern limb, Earth was not in the line of fire. It will take about a week for this new active region to turn squarely toward our planet. Stay tuned for updates as the chance of geoeffective flares increases in the days ahead. Solar flare alerts: text, voice.


Realtime Aurora Photo Gallery


Realtime Noctilucent Cloud Photo Gallery
[previous years: 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2011]

  Near Earth Asteroids
Potentially Hazardous Asteroids (PHAs) are space rocks larger than approximately 100m that can come closer to Earth than 0.05 AU. None of the known PHAs is on a collision course with our planet, although astronomers are finding new ones all the time.
On November 10, 2012 there were potentially hazardous asteroids.
Recent & Upcoming Earth-asteroid encounters:
Asteroid
Date(UT)
Miss Distance
Mag.
Size
2012 VD5
Nov 6
1.5 LD
--
23 m
2012 VE26
Nov 8
1.6 LD
--
9 m
2012 VB5
Nov 9
4.7 LD
--
26 m
2012 VA26
Nov 9
5.1 LD
--
20 m
2012 UV136
Nov 10
5.8 LD
--
33 m
2012 VQ6
Nov 10
1.8 LD
--
18 m
2012 VC26
Nov 11
2.3 LD
--
8 m
2012 UY68
Nov 14
6.7 LD
--
44 m
2012 VB26
Nov 17
9.7 LD
--
34 m
2010 JK1
Nov 25
9.3 LD
--
56 m
2009 LS
Nov 28
55.2 LD
--
1.1 km
2009 BS5
Dec 11
8.4 LD
--
15 m
4179 Toutatis
Dec 12
18 LD
--
2.7 km
2003 SD220
Dec 23
59.8 LD
--
1.8 km
1998 WT24
Dec 23
69.2 LD
--
1.1 km
2003 UC20
Dec 29
25.7 LD
--
1.0 km
Notes: LD means "Lunar Distance." 1 LD = 384,401 km, the distance between Earth and the Moon. 1 LD also equals 0.00256 AU. MAG is the visual magnitude of the asteroid on the date of closest approach.
  Essential web links
NOAA Space Weather Prediction Center
  The official U.S. government space weather bureau
Atmospheric Optics
  The first place to look for information about sundogs, pillars, rainbows and related phenomena.
Solar Dynamics Observatory
  Researchers call it a "Hubble for the sun." SDO is the most advanced solar observatory ever.
STEREO
  3D views of the sun from NASA's Solar and Terrestrial Relations Observatory
Solar and Heliospheric Observatory
  Realtime and archival images of the Sun from SOHO.
Daily Sunspot Summaries
  from the NOAA Space Environment Center
Heliophysics
  the underlying science of space weather
Space Weather Alerts
   
  more links...
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