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Solar wind
speed: 423.2 km/sec
density: 2.0 protons/cm3
explanation | more data
Updated: Today at 2346 UT
X-ray Solar Flares
6-hr max: C1
1849 UT Jan10
24-hr: C1
1849 UT Jan10
explanation | more data
Updated: Today at: 2300 UT
Daily Sun: 10 Jan 14
Sunspot AR1944 has a 'beta-gamma-delta' magnetic field that harbors energy for X-class solar flares. Credit: SDO/HMI
Sunspot number: 106
What is the sunspot number?
Updated 10 Jan 2014

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
10 Jan 2014

The Radio Sun
10.7 cm flux: 184 sfu
explanation | more data
Updated 10 Jan 2014

Current Auroral Oval:
Switch to: Europe, USA, New Zealand, Antarctica
Credit: NOAA/POES
Planetary K-index
Now: Kp= 1 quiet
24-hr max: Kp= 2
quiet
explanation | more data
Interplanetary Mag. Field
Btotal: 6.6 nT
Bz: 1.4 nT north
explanation | more data
Updated: Today at 2347 UT
Coronal Holes: 08 Jan 14
Solar wind flowing from this emerging coronal hole should reach Earth on Jan. 12-13. Credit: SDO/AIA.

Spaceweather.com posts 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: 01-10-2014 11:55:02
SPACE WEATHER
NOAA Forecasts
Updated at: 2014 Jan 10 2200 UTC
FLARE
0-24 hr
24-48 hr
CLASS M
75 %
75 %
CLASS X
35 %
35 %
Geomagnetic Storms:
Probabilities for significant disturbances in Earth's magnetic field are given for three activity levels: active, minor storm, severe storm
Updated at: 2014 Jan 10 2200 UTC
Mid-latitudes
0-24 hr
24-48 hr
ACTIVE
45 %
35 %
MINOR
15 %
05 %
SEVERE
01 %
01 %
High latitudes
0-24 hr
24-48 hr
ACTIVE
10 %
15 %
MINOR
30 %
35 %
SEVERE
60 %
45 %
 
Friday, Jan. 10, 2014
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

GROWING QUIET? Giant sunspot AR1944 has not unleashed a significant flare in more than 48 hours. The growing quiet could be the calm between storms. AR1944 has an unstable 'beta-gamma-delta' magnetic field that harbors energy for X-class flares. Solar flare alerts: text, voice.

CME IMPACT: As predicted, a CME hit Earth's magnetic field on Jan. 9th (20:00 UT). The impact was weaker than expected, however, and it failed to produce widespread geomagnetic storms. Nevertheless, some beautiful auroras appeared around the Arctic Circle. Harald Albrigtsen sends this picture from Tromsø, Norway:

It was dark in Norway when the CME arrived, so observers there witnessed a nice display. By the time night fell over North America, however, the lights had faded. US observers saw nothing remarkable.

More auroras are possible on Jan. 10th as Earth passes through the magnetic wake of the CME. NOAA forecasters estimate a 85% chance of polar geomagnetic storms before the day is over. Aurora alerts: text, voice.

Realtime Aurora Photo Gallery

SPACE WEATHER BALLOON UPDATE: The payload of a space weather balloon launched Jan. 8th by the students of Earth to Sky Calculus has been recovered from its landing site in Death Valley National Park. The purpose of the flight was to study a solar radiation storm in progress at the time of the launch. Analyzing the data may take a few days. Meanwhile, here is the view from the stratosphere:

These pictures were taken by a pair of Hero3+ cameras looking out of the payload capsule. The upper frame shows the Sierra Nevada mountain range, unusually brown for this time of year as California endures a historic drought. The lower frame captures the balloon popping at an altitude of approximately 100,000 feet. Click on each frame for a closer look. The landscape shot was made using the Hero3+'s new "superview mode"--a favorite of snowboarders and now, for the first time, balloonists!

In addition to cameras, the payload contained an x-ray/gamma-ray dosimeter, a GPS altimeter, and a cryogenic thermometer. Together these instruments can form a complete thermal and radiation profile of the atmosphere throughout the flight. The students plan to pay special attention to data collected at aviation altitudes to learn how much radiation air travelers absorb during periods of high solar activity. Solar flare alerts: text, voice.

Realtime Space Weather Photo Gallery



Realtime Venus Photo Gallery


Realtime Aurora Photo Gallery


Realtime Comet Photo Gallery


  All Sky Fireball Network

Every night, a network of NASA all-sky cameras scans the skies above the United States for meteoritic fireballs. Automated software maintained by NASA's Meteoroid Environment Office calculates their orbits, velocity, penetration depth in Earth's atmosphere and many other characteristics. Daily results are presented here on Spaceweather.com.

On Jan. 9, 2014, the network reported 11 fireballs.
(10 sporadics, 1 Quadrantid)

In this diagram of the inner solar system, all of the fireball orbits intersect at a single point--Earth. The orbits are color-coded by velocity, from slow (red) to fast (blue). [Larger image] [movies]

On Jan. 8, 2014, the network reported 20 fireballs.
(19 sporadics, 1 Quadrantid)

In this diagram of the inner solar system, all of the fireball orbits intersect at a single point--Earth. The orbits are color-coded by velocity, from slow (red) to fast (blue). [Larger image] [movies]

  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 January 10, 2014 there were 1450 potentially hazardous asteroids.
Recent & Upcoming Earth-asteroid encounters:
Asteroid
Date(UT)
Miss Distance
Size
2013 YM48
Jan 6
8.8 LD
31 m
2013 YV102
Jan 7
6.7 LD
34 m
2014 AD16
Jan 8
1.5 LD
15 m
2014 AE29
Jan 9
4.1 LD
16 m
2007 SJ
Jan 21
18.9 LD
1.9 km
2012 BX34
Jan 28
9.6 LD
13 m
2006 DP14
Feb 10
6.2 LD
730 m
2000 EM26
Feb 18
8.8 LD
195 m
2000 EE14
Mar 6
64.6 LD
1.8 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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