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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: 364.3 km/sec
density: 1.2 protons/cm3
explanation | more data
Updated: Today at 2246 UT
X-ray Solar Flares
6-hr max: C1
1655 UT Jul08
24-hr: C1
1655 UT Jul08
explanation | more data
Updated: Today at: 2245 UT
Daily Sun: 08 July 07
New sunspot 963 is crackling with B-class solar flares. Credit: SOHO/MDI
Sunspot number: 23
What is the sunspot number?
Updated 05 July 2007
Far side of the Sun:
This holographic image reveals no sunspots on the farside of the sun. Image credit: SOHO/MDI
Planetary K-index
Now: Kp= 1 quiet
24-hr max: Kp= 2
quiet
explanation | more data
Current Auroral Oval:
Switch to: Europe, USA, New Zealand, Antarctica
Credit: NOAA/POES
Updated: 2007 Jul 08 2039 UT
Interplanetary Mag. Field
Btotal: 2.3 nT
Bz: 0.6 nT south
explanation | more data
Updated:Today at 2246 UT
Coronal Holes:
A weak solar wind stream flowing from this minot coronal hole should reach Earth on July 10th or 11th. Credit: SOHO Extreme Ultraviolet Telescope
SPACE WEATHER
NOAA Forecasts
Updated at: 2007 Jul 08 2203 UTC
FLARE
0-24 hr
24-48 hr
CLASS M
10 %
10 %
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 Jul 08 2203 UTC
Mid-latitudes
0-24 hr
24-48 hr
ACTIVE
10 %
20 %
MINOR
05 %
10 %
SEVERE
01 %
01 %
High latitudes
0-24 hr
24-48 hr
ACTIVE
10 %
25 %
MINOR
05 %
15 %
SEVERE
01 %
05 %
What's up in Space
July 8, 2007
Where's Saturn? Is that a UFO--or the ISS? What's the name of that star? Get the answers from mySKY--a fun new astronomy helper from Meade.

MARS UPDATE: A late-June dust storm that delayed Mars rover Opportunity's descent into Victoria Crater has intensified and spread around the planet, reports veteran observer Jim Melka of St. Louis, Missouri. On July 6th, the view through Melkin's 12-inch telescope showed "a chain of five dust clouds over Mare Cimmerium," he says. "One cloud is very close to the location of the Opportunity's twin, Spirit." Stay tuned for updates.

NEW SUNSPOT: New sunspot 963 has just emerged over the sun's eastern limb, and "it's a grand sight," says Howard Eskildsen who took this picture from his backyard in Ocala, Florida:


Photo details: Meade ETX-125, Astrosolar Photoflim,Orion StarShoot II

The sunspot's two dark cores are each larger than Earth, and they are connected by an unstable magnetic field that crackles with C-class solar flares. The eruptions have been entertaining onlookers with solar telescopes. "I watched in amazement for hours as the magnetic loops swayed back and forth," says Larry Alvarez of Flower Mound, Texas. Using a Coronado SolarMax90, he made a movie of the action. Click on the snapshot to watch:


See the movie: Small (600 kb gif) or Large (6 MB avi)

Meanwhile in Zanesville, Ohio, this sunspot almost made artist Erika Rix late for her brother's wedding. "I just couldn't tear my eyes away from the eyepiece," she explains. "The erupting prominence sequence reminded me of a rock plopping in the water. It was brilliant to watch." Using Strathmore paper and white Conte' crayon, Erika sketched what she saw: image. "As a last minute idea to add to their wedding present, I framed the first sketch of this sequence with the date for them....starting their new lives together with a bang."

more images: from Pavol Rapavy of Rimavska Sobota, Slovakia; from Michael Borman of Evansville, Indiana; from Joel Bavais of Ath, Belgium; from John C McConnell of Maghaberry Northern Ireland; from Peter Paice of Belfast, Northern Ireland; from Wee Nghee of Singapore; from Britta Suhre of Dortmund, Germany; from Jean-Marc Lecleire of Torcy, France; from John Stetson of South Portland, Maine.


2007 Noctilucent Cloud Gallery
["Noctilucent Cloud"--the song] [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 July 8, 2007 there were 874 potentially hazardous asteroids.
July 2007 Earth-asteroid encounters:
Asteroid
Date(UT)
Miss Distance
Mag.
Size
2007 FV42
July 2
53 LD
15
1.2 km
2007 MB4
July 4
7.6 LD
16
130 m
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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