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SpaceWeather.com -- News and information about meteor showers, solar flares, auroras, and near-Earth asteroids
 
Solar wind
speed: 437.6 km/sec
density: 5.8 protons/cm3
explanation | more data
Updated: Today at 2347 UT
X-ray Solar Flares
6-hr max: C9
1803 UT Jul08
24-hr: M6
1632 UT Jul08
explanation | more data
Updated: Today at: 2300 UT
Daily Sun: 08 Jul 12
Sunspot 1520 has a beta-gamma magnetic field that harbors energy for M-class solar flares. Credit: SDO/HMI
Sunspot number: 127
What is the sunspot number?
Updated 08 Jul 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

Updated 08 Jul 2012


The Radio Sun
10.7 cm flux: 158 sfu
explanation | more data
Updated 08 Jul 2012

Current Auroral Oval:
Switch to: Europe, USA, New Zealand, Antarctica
Credit: NOAA/POES
Planetary K-index
Now: Kp= 3 quiet
24-hr max: Kp= 3
quiet
explanation | more data
Interplanetary Mag. Field
Btotal: 10.5 nT
Bz: 5.7 nT north
explanation | more data
Updated: Today at 2347 UT
Coronal Holes: 08 Jul 12
A solar wind stream flowing from the indicated coronal hole cold reach Earth on July 10-11. Credit: SDO/AIA.
SPACE WEATHER
NOAA Forecasts
Updated at: 2012 Jul 08 2200 UTC
FLARE
0-24 hr
24-48 hr
CLASS M
80 %
80 %
CLASS X
25 %
25 %
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 Jul 08 2200 UTC
Mid-latitudes
0-24 hr
24-48 hr
ACTIVE
15 %
20 %
MINOR
05 %
05 %
SEVERE
01 %
01 %
High latitudes
0-24 hr
24-48 hr
ACTIVE
15 %
15 %
MINOR
25 %
30 %
SEVERE
25 %
25 %
 
Sunday, Jul. 8, 2012
What's up in space
 

Thirty-five new items have just been added to our Meteorite Jewelry collection. Browse the Space Weather Store for something out of this world.

 
Meteorite jewelry

MORNING SKY SHOW: Jupiter and Venus are converging in the morning sky for a beautiful conjunction that appears in the east just before sunrise. Check the realtime photo gallery for snapshots from around the world--and set your alarm for dawn.

ANOTHER BIG SUNSPOT: As one big sunspot (AR1515) turns away from Earth, another one is turning toward our planet. AR1520, now emerging over the sun's southeastern limb, stretches more than 127,000 km (10 Earth diameters) from end to end:

AR1520 has a 'beta-gamma' magnetic field that harbors energy for M-class solar flares. So far, however, the sunspot's magnetic canopy is crackling with lesser C-flares. The calm before the storm? NOAA forecasters estimate an 80% chance of M-flares during the next 24 hours. X-flare alerts: text, voice.

Realtime Space Weather Photo Gallery

X-FLARE: For days, giant sunspot AR1515 has looked capable of producing a really strong explosion. On July 6th it finally did: The sunspot's magnetic canopy erupted, producing a brief but potent X1.1-class solar flare. NASA's Solar Dynamics Observatory recorded the extreme ultraviolet flash:

The explosion hurled a CME into space. According to this movie from the Solar and Heliospheric Observatory, the cloud appears to be heading south and away from Earth. Update: Analysts at the Goddard Space Weather Lab say the CME will miss eveything. Their forecast track shows the cloud not hitting any spacecraft or planets.

Look at the CME movie one more time. The speckles near the end are caused by energetic protons accelerated by the flare. Guided toward Earth by solar magnetic fields, the protons are peppering Earth-orbiting satellites, causing "snow" in imaging systems and posing a slim threat for single-event upsets (computer glitches).


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 July 8, 2012 there were potentially hazardous asteroids.
Recent & Upcoming Earth-asteroid encounters:
Asteroid
Date(UT)
Miss Distance
Mag.
Size
2012 MY2
Jun 29
1.3 LD
--
24 m
2003 KU2
Jul 15
40.2 LD
--
1.3 km
2004 EW9
Jul 16
46.8 LD
--
2.1 km
2002 AM31
Jul 22
13.7 LD
--
1.0 km
37655 Illapa
Aug 12
37 LD
--
1.2 km
2000 ET70
Aug 21
58.5 LD
--
1.1 km
1998 TU3
Aug 25
49.2 LD
--
4.9 km
2009 AV
Aug 26
62.8 LD
--
1.1 km
1998 UO1
Oct 4
60.1 LD
--
2.1 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
Trade Show Displays
   
  more links...
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