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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: 306.9 km/sec
density: 0.5 protons/cm3
explanation | more data
Updated: Today at 2342 UT
X-ray Solar Flares
6-hr max: A0
2340 UT Jun06
24-hr: B2
0325 UT Jun06
explanation | more data
Updated: Today at: 2340 UT
Daily Sun: 06 June 09
Sunspot 1019 has faded away. The sun is blank--no sunspots. Credit: SOHO/MDI
Sunspot number: 0
What is the sunspot number?
Updated 06 Jun 2009

Spotless Days
Current Stretch: 0 days
2009 total: 123 days (80%)
Since 2004: 634 days
Typical Solar Min: 485 days
explanation | more info
Updated 05 Jun 2009

Far side of the Sun:
This holographic image reveals no large sunspots on the far side of the sun. Image credit: SOHO/MDI
Planetary K-index
Now: Kp= 2 quiet
24-hr max: Kp= 2
quiet
explanation | more data
Current Auroral Oval:
Switch to: Europe, USA, New Zealand, Antarctica
Credit: NOAA/POES
Interplanetary Mag. Field
Btotal: 4.1 nT
Bz: 0.4 nT south
explanation | more data
Updated: Today at 2347 UT
Coronal Holes:
There are no coronal holes on the Earth-facing side of the sun. Credit: SOHO Extreme UV Telescope
SPACE WEATHER
NOAA Forecasts
Updated at: 2009 Jun 06 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: 2009 Jun 06 2201 UTC
Mid-latitudes
0-24 hr
24-48 hr
ACTIVE
10 %
10 %
MINOR
05 %
05 %
SEVERE
01 %
01 %
High latitudes
0-24 hr
24-48 hr
ACTIVE
10 %
10 %
MINOR
05 %
05 %
SEVERE
01 %
01 %
What's up in Space
June 6, 2009

AURORA ALERT: Did you sleep through the Northern Lights? Next time get a wake-up call: Spaceweather PHONE.

 

ARIETID METEOR SHOWER: The annual Arietid meteor shower peaks this weekend on Sunday, June 7th. The Arietids are unusual because they are daytime meteors; the shower is most intense after sunrise. Early risers could spot a small number of earthgrazing Arietids during the dark hours before dawn on Sunday morning. After daybreak, you can listen to the shower by tuning into our online meteor radar.

GIANT COVER-UP: Tonight, June 6th, the full Moon is occulting (eclipsing) the red giant star Antares. John Kocijanski of Monticello, NY, took this photo moments before the cover up:

If the Moon is up where you live, go outside and look around the lunar rim for Antares emerging from eclipse. Binoculars may be required to see the star through the intense moonlight. Click here for local timetables.

more images: from John Stetson of Sebago Lake, Maine

VOLCANIC LIGHTNING: On May 19th, adventure photographer Stephen O'Meara was monitoring an eruption of the Rabaul volcano in Papua, New Guinea, when something happened that, he says, "I'll remember for a very long time. A storm cloud approached the volcano's 2 km plume, and lightning began to arc between the two." He set up his camera in a secure location and recorded the "awesome and blinding" spectacle:

This isn't the first time lightning has been observed around a volcano. Recent examples include Alaska's Mt. Redoubt, Chile's Chaitin volcano and Kilauea in Hawaii. Clouds of water vapor shoot out of these volcanoes in a dusty mixture likened to a "dirty thunderstorm," and lightning emerges from within the turbulent plume. Photos: #1, #2.

But O'Meara's photo shows something different. "I observed a placid eruption column apparently interacting with a passing storm center," he says. "It was cloud to cloud lightning." Not much is known about the mechanisms driving volcanic lighting, so his image of this rare interaction may have scientific value.

UPDATE: On June 3rd, O'Meara took his camera to the Kilauea volcano in Hawaii and saw another bright flash of light in the sky--but this time it wasn't lightning. Click here for details.


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


Explore the Sunspot Cycle

       
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 6, 2009 there were 1062 potentially hazardous asteroids.
June 2009 Earth-asteroid encounters:
Asteroid
Date(UT)
Miss Distance
Mag.
Size
2009 KR21
June 1
0.7 LD
16
21 m
2009 KL8
June 1
5.1 LD
18
63 m
2003 QO104
June 9
36.8 LD
14
2.9 km
1994 CC
June 10
6.6 LD
13
1.2 km
2001 FE90
June 28
7.0 LD
13
435 m
2002 KL6
June 28
57.5 LD
16
1.4 km
2006 MV1
June 30
9.6 LD
23
20 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 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 and Heliospheric Observatory
  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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