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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: 601.9 km/sec
density: 1.5 protons/cm3
explanation | more data
Updated: Today at 2245 UT
X-ray Solar Flares
6-hr max: A1
1820 UT Jun14
24-hr: A5
0035 UT Jun14
explanation | more data
Updated: Today at: 2245 UT
Daily Sun: 14 June 07
Departing sunspot 960 poses no threat for strong solar flares. Credit: SOHO/MDI
Sunspot number: 12
What is the sunspot number?
Updated 13 June 2007
Far side of the Sun:
This holographic image reveals no large sunspots on the farside of the sun. Image credit: SOHO/MDI
Planetary K-index
Now: Kp= 4 unsettled
24-hr max: Kp= 4
unsettled
explanation | more data
Current Auroral Oval:
Switch to: Europe, USA, New Zealand, Antarctica
Credit: NOAA/POES
Updated: 2007 Jun 14 2143 UT
Interplanetary Mag. Field
Btotal: 6.2 nT
Bz: 3.1 nT north
explanation | more data
Updated:Today at 2246 UT
Coronal Holes:
Earth is entering a solar wind stream flowing from the indicated coronal hole. Credit: SOHO Extreme Ultraviolet Telescope
SPACE WEATHER
NOAA Forecasts
Updated at: 2007 Jun 14 2203 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: 2007 Jun 14 2203 UTC
Mid-latitudes
0-24 hr
24-48 hr
ACTIVE
25 %
20 %
MINOR
15 %
10 %
SEVERE
05 %
01 %
High latitudes
0-24 hr
24-48 hr
ACTIVE
30 %
25 %
MINOR
20 %
15 %
SEVERE
10 %
01 %
What's up in Space
June 14, 2007
The space shuttle is docked to the ISS. Would you like a call when the pair fly over your backyard? Sign up for SpaceWeather PHONE.

WEIRD ASTEROID: Today, NASA radars are trained on a tiny asteroid named 6R10DB9 making a close (270,000 km) approach to Earth. Only 4 meters wide, 6R10DB9 is currently orbiting our planet as a temporary satellite. The object is so small that solar radiation pressure is perturbing its motion, and it should return to solar orbit later in the summer. The origin of this object is unknown; it may be a piece of the Moon itself broken off by an lunar asteroid impact. [more]

ISS FLARES: Assembly of the International Space Station continues apace in Earth orbit, and with each new flat surface added to the station, the odds improve that you might see an "ISS Flare." Dave Storey of the Isle of Man, UK, photographed this one on June 11th:

"A hole in the cloud cover developed this evening and I was able to have a go at chasing the ISS with my 6-inch refractor," says Storey. "As I tracked the station through the finder scope, the station flared when sunlight glinted off a flat surface."

The space station in the night sky ordinarily rivals Jupiter or Venus. When it flares, it can double in brightness--or more. That's something to see; the trick is knowing when to look.

more images: from Mike Tyrrell of England; from Martin Wagner of Sonnenbuehl-Genkingen, Germany; from Ralf Vandebergh of the Netherlands; from Martin Popek of Nýdek, Czech Republic.

BIG SUNDOG: "The placement of this sundog right next to Auckland's Sky Tower made a lovely sight as I was walking home this afternoon!" says Yvette Cendes of Auckland, New Zealand, who snapped a picture using her Canon PowerShot:

Sundogs resemble rainbows, but they have nothing to do with rain. Ice is responsible for this phenomenon. Sundogs are caused by tiny plate-shaped ice crystals that flutter down from high clouds like leaves with flat faces almost horizontal. The crystals catch the rays of the sun and transform them into a vivid rainbow-colored splash of light.

Because high clouds are always freezing, sundogs may appear in any season or latitude. Look for them!


2007 Noctilucent Photo Gallery
[Listen!] [Night-sky Cameras]

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 14, 2007 there were 869 potentially hazardous asteroids.
June-July 2007 Earth-asteroid encounters:
Asteroid
Date(UT)
Miss Distance
Mag.
Size
2005 AD13
June 18
33 LD
16
1.2 km
2007 FV42
July 2
53 LD
15
1.2 km
2007 DT103
July 29
9.3 LD
15
550 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
NOAA Space Environment Center
  The official U.S. government bureau for real-time monitoring of solar and geophysical events, research in solar-terrestrial physics, and forecasting solar and geophysical disturbances.
Atmospheric Optics
  The first place to look for information about sundogs, pillars, rainbows and related phenomena.
Solar and Heliospheric Observatory
  Realtime and archival images of the Sun from SOHO.
Daily Sunspot Summaries
  From the NOAA Space Environment Center
Current Solar Images
  from the National Solar Data Analysis Center
  more links...
©2007, SpaceWeather.com -- This site is penned daily by Dr. Tony Phillips.
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