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SpaceWeather.com -- News and information about meteor showers, solar flares, auroras, and near-Earth asteroids
SPACE WEATHER
Current conditions
Solar wind
speed: 374.4 km/sec
density: 3.7 protons/cm3
explanation | more data
Updated: Today at 2346 UT
X-ray Solar Flares
6-hr max: B1
1920 UT Jun07
24-hr: B1
1920 UT Jun07
explanation | more data
Updated: Today at: 2340 UT
Daily Sun: 07 Jun 10
Sunspot 1076 is rotating over the sun's western limb. Credit: SOHO/MDI
Sunspot number: 12
What is the sunspot number?
Updated 06 Jun 2010

Spotless Days
Current Stretch: 0 days
2010 total: 33 days (21%)
2009 total: 260 days (71%)
Since 2004: 801 days
Typical Solar Min: 486 days
explanation | more info
Updated 06 Jun 2010


The Radio Sun
10.7 cm flux: 68 sfu
explanation | more data
Updated 06 Jun 2010

Current Auroral Oval:
Switch to: Europe, USA, New Zealand, Antarctica
Credit: NOAA/POES
Planetary K-index
Now: Kp= 2 quiet
24-hr max: Kp= 3
quiet
explanation | more data
Interplanetary Mag. Field
Btotal: 4.2 nT
Bz: 1.9 nT north
explanation | more data
Updated: Today at 2346 UT
Coronal Holes:
A solar wind stream flowing from the indicated coronal hole should reach Earth on June 8th. Credit: SDO/AIA
SPACE WEATHER
NOAA Forecasts
Updated at: 2010 Jun 07 2201 UTC
FLARE
0-24 hr
24-48 hr
CLASS M
01 %
01 %
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: 2010 Jun 07 2201 UTC
Mid-latitudes
0-24 hr
24-48 hr
ACTIVE
50 %
50 %
MINOR
25 %
25 %
SEVERE
05 %
05 %
High latitudes
0-24 hr
24-48 hr
ACTIVE
50 %
50 %
MINOR
30 %
30 %
SEVERE
05 %
05 %
What's up in Space
June 7, 2010

NEW AND IMPROVED: Turn your iPhone or iPod Touch into a field-tested global satellite tracker. The Satellite Flybys app now works in all countries.

 

JOURNEY TO THE STARS: It's immersive, it's explosive, and best of all it's free. On June 7th, NASA will begin sending complimentary DVDs of the smash-hit planetarium show "Journey to the Stars" to teachers and students around the USA. Today's story from Science@NASA reviews the show and tells educators how to request copies.

COMET McNAUGHT: A fresh comet is swinging through the inner solar system, and it is brightening rapidly as it approaches the sun. Presenting, Comet McNaught (C/2009 R1):

Michael Jäger of Stixendorf, Austria, took the picture on June 6th using an 8-inch telescope. The comet's green atmosphere is larger than the planet Jupiter, while the long willowy ion tail stretches more than a million kilometers through space. These dimensions make the comet a fine target for backyard telescopes.

Comet McNaught can be found low in the northeastern sky before dawn gliding through the constellation Perseus. It is brightening as it approaches Earth for a 1.13 AU close encounter on June 15th and 16th. Currently, the comet is at the threshold of naked eye visibility (5th to 6th magnitude) and could become as bright as the stars of the Big Dipper (2nd magnitude) before the end of the month. Estimates are uncertain, however, because this comet is a newcomer to the inner solar system, and thus somewhat unpredictable. Readers are encouraged to wake up before dawn and monitor developments. [sky map] [ephemeris] [3D orbit] [full story]

more images: from Primoz Cigler of Bohor, Slovenia; from Pete Lawrence of Selsey, West Sussex, UK; ; from Monika Landy-Gyebnar of Veszprem, Hungary; from Petr Horalek of Ustupky, Czech republic

BLUE STAR MEETS RED PLANET: There's a new "double star" in the evening sky. Bright blue Regulus is having a 1o close encounter with Mars. Look for the pair almost due west after sunset. Here, Tamas Ladanyi points them out from the shores of Fertő/Neusiedlersee Lake, a UNESCO World Heritage Area in Hungary:

"Both the planet and the star are about the same brightness, but the color contrast is absolutely wonderful," notes astrophotographer Pete Lawrence of Selsey UK. "An exquisite sight with the naked eye, binoculars or low power in a telescope - catch it while it lasts!"

more images: from Pete Lawrence of Selsey, West Sussex, UK; from Tamas Ladanyi of Fertő/Neusiedlersee World Heritage Area, Hungary; from Jens Hackmann of Weikersheim, Germany; from Domenico Licchelli of Gagliano del Capo, Italy; from Luca Basili of Rome, Italy; from Sylvain Weiller of Saint Rémy lès Chevreuse, France;


May 2010 Aurora Gallery
[previous Mays: 2008, 2005, 2004, 2003, 2002] [aurora alerts]

 
       
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 June 7, 2010 there were 1127 potentially hazardous asteroids.
May 2010 Earth-asteroid encounters:
Asteroid
Date(UT)
Miss Distance
Mag.
Size
2010 JR34
May 14
5.8 LD
21
12 m
2003 HR32
May 17
55.2 LD
17
1.0 km
2010 JN71
May 26
8.2 LD
18
245 m
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 Links
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  Realtime and archival images of the Sun from SOHO.
STEREO
  3D views of the sun from NASA's Solar and Terrestrial Relations Observatory
Daily Sunspot Summaries
  from the NOAA Space Environment Center
Current Solar Images
  from the National Solar Data Analysis Center
Science Central
   
  more links...
   
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