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Solar wind
speed: 412.9 km/sec
density: 7.5 protons/cm3
explanation | more data
Updated: Today at 2347 UT
X-ray Solar Flares
6-hr max: M5
2249 UT Jun07
24-hr: M5
2249 UT Jun07
explanation | more data
Updated: Today at: 2300 UT
Daily Sun: 07 Jun 13
New sunspot AR1765 is growing rapidly but does not yet pose a threat for strong flares. Credit: SDO/HMI
Sunspot number: 71
What is the sunspot number?
Updated 07 Jun 2013

Spotless Days
Current Stretch: 0 days
2013 total: 0 days (0%)
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
07 Jun 2013

The Radio Sun
10.7 cm flux: 109 sfu
explanation | more data
Updated 07 Jun 2013

Current Auroral Oval:
Switch to: Europe, USA, New Zealand, Antarctica
Credit: NOAA/POES
Planetary K-index
Now: Kp= 2 quiet
24-hr max: Kp= 6
storm
explanation | more data
Interplanetary Mag. Field
Btotal: 6.6 nT
Bz: 6.2 nT north
explanation | more data
Updated: Today at 2347 UT
Coronal Holes: 07 Jun 13
Solar wind flowing from this coronal hole should hit Earth's magnetic field on June 9-10. Credit: SDO/AIA.

NEW: Spaceweather.com is now posting daily satellite images of noctilucent clouds (NLCs), which hover over Earth's poles at the edge of space. The data come from NASA's AIM spacecraft. The north polar "daisy" pictured below is a composite of near-realtime images from AIM assembled by researchers at the University of Colorado's Laboratory for Atmospheric and Space Physics (LASP).
Noctilucent Clouds
Switch view: Europe, USA, Asia, Polar
Updated at: 06-07-2013 11:55:02
SPACE WEATHER
NOAA Forecasts
Updated at: 2013 Jun 07 2200 UTC
FLARE
0-24 hr
24-48 hr
CLASS M
15 %
05 %
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: 2013 Jun 07 2200 UTC
Mid-latitudes
0-24 hr
24-48 hr
ACTIVE
35 %
40 %
MINOR
15 %
20 %
SEVERE
01 %
05 %
High latitudes
0-24 hr
24-48 hr
ACTIVE
15 %
10 %
MINOR
30 %
25 %
SEVERE
45 %
60 %
 
Friday, Jun. 7, 2013
What's up in space
 

When is the best time to see auroras? Where is the best place to go? And how do you photograph them? These questions and more are answered in a new book, Northern Lights - a Guide, by Pal Brekke & Fredrik Broms.

 
Northern Lights - a Guide

DAYLIGHT METEOR SHOWER: This week, Earth is passing through a stream of debris from asteroid Icarus, source of the annual Arietid meteor shower. The strange thing about this shower is that it occurs mainly during daylight hours. At its peak on June 7-8, as many as 60 Arietids per hour will streak invisibly across the blue sky after sunrise. The best way to observe the Arietids is via radar. Listen to their echoes on Space Weather Radio.

NORTHERN LIGHTS IN THE USA: Last night, Earth passed through a region of south-pointing magnetism in the solar wind. This triggered a G2-class (Kp=6) geomagnetic storm. At its peak, the storm spawned Northern Lights as far south as the central USA. "Yes, I really am in Kansas," says photographer Clay Bramhallwho sends this picture from the plains city of Goff, KS:

"The aurora surprised me," he says. "I could see the lights streaking up and down."

More auroras are in the offing. A CME that left the sun on June 5th is expected to deliver a glancing blow to Earth's magnetic field during the late hours of June 8th (or early hours of June 9th). NOAA forecasters estimate a 65% chance of geomagnetic storms when the CME arrives. Aurora alerts: text, voice.

Realtime Aurora Photo Gallery

ALBERT EINSTEIN ORBITS EARTH: On the afternoon of June 5th, the European Space Agency launched a robotic spaceship named "Albert Einstein" into Earth orbit. Also known as "ATV-4" (Automated Transfer Vehicle 4), the Albert Einstein is a cargo carrier laden with supplies for the International Space Station. Marco Langbroek saw it flying over Leiden, the Netherlands, just two hours after launch:

"The ATV-4 was very bright (mag +1 to +0.5) and easily visible to the naked eye, even from Leiden center," Langbroek. "Still in a low orbit, it was very fast."

To resupply the space station, the Albert Einstein is carrying the most dry cargo ever launched by a European spacecraft--2,480 kilograms, and the most diverse cargo mix--1400 different items. It will catch up to and dock with the ISS on June 15th. As that date approaches, the ATV-4 and the ISS will become visible in the night sky at the same time. Turn your smartphone into an ISS tracker and enjoy the show. ISS Flyby alerts: text, voice.

SOLAR FLARE AND CME: (Updated: June 6, 2013) Southern sunspot AR1762 erupted on June 5th, producing a long-duration M1-class solar flare that peaked around 0900 UT. The explosion hurled a bright coronal mass ejection (CME) into space, shown here in a coronagraph image from the Solar and Heliospheric Observatory:

Although the blast was not Earth-directed, the CME might still affect our planet. Forecast tracks prepared by analysts at NOAA suggest that the CME could deliver a glancing blow to Earth's magnetic field during the late hours of June 8th or early on June 9th. NOAA: 65% chance of polar geomagnetic storms. Aurora alerts: text, voice.

Realtime Space Weather Photo Gallery


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


Realtime Comet Photo Gallery

  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, 2013 there were 1397 potentially hazardous asteroids.
Recent & Upcoming Earth-asteroid encounters:
Asteroid
Date(UT)
Miss Distance
Size
2009 FE
Jun 4
9.6 LD
230 m
2000 FM10
Jun 5
50.3 LD
1.3 km
2002 KL3
Jun 6
66.4 LD
1.1 km
2013 LR6
Jun 8
0.3 LD
12 m
2013 LD2
Jun 10
6 LD
47 m
1999 WC2
Jun 12
39.2 LD
1.9 km
2006 RO36
Jun 18
70.9 LD
1.2 km
2001 PJ9
Jul 17
29.2 LD
1.1 km
2006 BL8
Jul 26
9.3 LD
48 m
2003 DZ15
Jul 29
7.6 LD
153 m
2005 WK4
Aug 9
8.1 LD
420 m
1999 CF9
Aug 23
24.7 LD
1.1 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
Space Weather Alerts
   
  more links...
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