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SpaceWeather.com -- News and information about meteor showers, solar flares, auroras, and near-Earth asteroids
 
Solar wind
speed: 404.0 km/sec
density: 9.25 protons/cm3
more data: ACE, DSCOVR
Updated: Today at 1146 UT
X-ray Solar Flares
6-hr max: C4
1837 UT Nov11
24-hr: M1
0714 UT Nov11
explanation | more data
Updated: Today at: 2350 UT
Daily Sun: 11 Nov 22
Expand: labels | no labels
Sunspot AR3141 has a 'beta-gamma-delta' magnetic field that harbors energy for X-class solar flares. Credit: SDO/HMI

Sunspot number: 79
What is the sunspot number?
Updated 11 Nov 2022

Spotless Days
Current Stretch: 0 days
2022 total: 1 day (<1%)
2021 total: 64 days (18%)
2020 total: 208 days (57%)
2019 total: 281 days (77%)
2018 total: 221 days (61%)
2017 total: 104 days (28%)
2016 total: 32 days (9%)
2015 total: 0 days (0%)
2014 total: 1 day (<1%)
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%)
2008 total: 268 days (73%)
2007 total: 152 days (42%)
2006 total: 70 days (19%)

Updated 11 Nov 2022


Thermosphere Climate Index
today: 15.99
x1010 W Neutral
Max: 49.4
x1010 W Hot (10/1957)
Min: 2.05
x1010 W Cold (02/2009)
explanation | more data: gfx, txt
Updated 11 Nov 2022

The Radio Sun
10.7 cm flux: 139 sfu
explanation | more data
Updated 11 Nov 2022

Cosmic Rays Solar Cycle 25 is beginning, and this is reflected in the number of cosmic rays entering Earth's atmosphere. Neutron counts from the University of Oulu's Sodankyla Geophysical Observatory show that cosmic rays reaching Earth are slowly declining--a result of the yin-yang relationship between the solar cycle and cosmic rays.

Oulu Neutron Counts

Percentages of the Space Age average:
today: +4.2% Elevated
48-hr change: +0.3%
Max: +11.7% Very High
(12/2009)
Min: -32.1% Very Low (06/1991)
explanation | more data
Updated 11 Nov 2022 @ 1700 UT

Current Auroral Oval:
Switch to: Europe, USA, New Zealand, Antarctica
Credit: NOAA/Ovation
Planetary K-index
Now: Kp= 2 quiet
24-hr max: Kp= 3
quiet
explanation | more data
Interplanetary Mag. Field
Btotal: 10.97 nT
Bz: 1.09 nT north
more data: ACE, DSCOVR
Updated: Today at 1146 UT
Coronal Holes: 11 Nov 22

There are no significant coronal holes on the Earthside of the sun.
Credit: SDO/AIA

Noctilucent Clouds
The summer season for northern noctilucent clouds has ended; the southern season will begin in November.
Switch view: Europe, USA, Asia, Polar
Updated Nov11
SPACE WEATHER
NOAA Forecasts
Updated at: 2022 Nov 11 2200 UTC
FLARE
0-24 hr
24-48 hr
CLASS M
25 %
25 %
CLASS X
10 %
10 %
Geomagnetic Storms:
Probabilities for significant disturbances in Earth's magnetic field are given for three activity levels: active, minor storm, severe storm
Updated at: 2022 Nov 11 2200 UTC
Mid-latitudes
0-24 hr
24-48 hr
ACTIVE
25 %
15 %
MINOR
05 %
01 %
SEVERE
01 %
01 %
High latitudes
0-24 hr
24-48 hr
ACTIVE
15 %
15 %
MINOR
30 %
25 %
SEVERE
30 %
20 %
 
Friday, Nov. 11, 2022
What's up in space
       
 

Never miss another geomagnetic storm. Sign up for Space Weather Alerts and you'll receive a text message when magnetic storms erupt. Aurora tour guides and professional astronomers use this service. You can, too!

 

A SUDDEN CHANGE IN BLUEWALKER 3: For months sky watchers have been waiting for AST SpaceMobile's Bluewalker 3 (BW3) satellite to unfurl its huge antenna. That might be happening now. This morning in Arizona, Paul Maley witnessed a sudden change in BW3's brightness. "It came directly overhead 40 minutes before sunrise and reached naked eye brightness at +1 magnitude," says Maley. This is 50 to 100 times brighter than previous similar passes. The satellite could become brighter still as the unfurling proceeds. For local flyby times check Heavens Above.

A SUNSPOT WITHIN A SUNSPOT: Fans of Hitchiker's Guide to the Galaxy will understand what this means: "Sunspot AR3141 reminds us of Zaphod Bebblebrox." The sunspot is sprouting a little version of itself on its shoulder. The circled region in this magnetogram is, essentially, an extra sunspot:

The extra magnetic poles are in close proximity to AR3141's primary core, an arrangement which makes the ensemble unstable (also like Zaphod). Analysts call this a 'delta-class' magnetic field; it poses a threat for strong X-class solar flares. Solar flare alerts: SMS Text

Realtime Space Weather Photo Gallery
Free:
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A BIG BRIGHT CLOUD ON MARS: If you look at Mars through a telescope this week, you might be surprised by what you see--a bright blue cloud of ice. Michael Karrer photographed it on Nov. 7th from his backyard in Austria:

"Mars is no longer dusty and the north pole has dense cloud cover - very impressive despite the planet's modest diameter of 15.8 arcseconds," he says.

Karrer photographed the North Polar Hood, a giant cloud of water ice that forms over the Martian north pole during winter. Why blue? That's the color of sunlight scattered from very tiny crystals of ice (smaller than the wavelength of light itself) floating in the cloud.

"It was easy to see through my 14-inch Celestron telescope," adds Kerrer. "And it's about to get even easier."

Mars is approaching Earth for a close encounter on Dec. 1, 2022. Between now and then, Mars will double in brightness to magnitude -1.9 (brighter than Sirius) and increase in size to 17.2 arcseconds. Look for the Red Planet and its blue hood rising in the east after sunset in the constellation Taurus: sky map.

Realtime Space Weather Photo Gallery
Free:
Spaceweather.com Newsletter

WHERE NO CHRISTMAS ORNAMENT HAS GONE BEFORE: You cannot buy a rare Capt. Kirk space ornament on Amazon. But you can get one from the Earth to Sky Store. On Oct 9, 2022, the students of Earth to Sky Calculus launched Capt. Kirk to the stratosphere onboard a cosmic ray research balloon. Here he is floating 109,620 feet high:

You can have it for $99.95. The students are selling Kirk ornaments to pay the helium bill for their cosmic ray ballooning program. Made by Hallmark in the 1990s, the ornament comes with a greeting card showing the captain of the Enterprise in flight and telling the story of its trip to the stratosphere and back again.

Far Out Gifts: Earth to Sky Store
All sales support hands-on STEM education


Realtime Aurora Photo Gallery
Free:
Spaceweather.com Newsletter

  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 Nov 11, 2022, the network reported 18 fireballs.
(12 sporadics, 6 northern Taurids)

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 November 11, 2022 there were 2314 potentially hazardous asteroids.
Recent & Upcoming Earth-asteroid encounters:
Asteroid
Date(UT)
Miss Distance
Velocity (km/s)
Diameter (m)
2022 UY14
2022-Nov-06
8.8 LD
19.8
34
2022 UC34
2022-Nov-06
1.7 LD
10.9
7
2022 UO6
2022-Nov-06
11.5 LD
11.5
38
2022 VA
2022-Nov-06
8.2 LD
12.3
25
2022 UC22
2022-Nov-07
18.3 LD
17.4
199
2022 UN21
2022-Nov-07
8 LD
11.1
18
2022 US6
2022-Nov-07
9.7 LD
7.2
19
2022 UR21
2022-Nov-07
8.6 LD
9.8
17
2022 VY
2022-Nov-08
3.1 LD
10
10
2022 UK5
2022-Nov-08
14.3 LD
5.2
43
2020 WD
2022-Nov-08
3 LD
6
8
2022 UC5
2022-Nov-08
6.1 LD
12.9
37
2022 UV20
2022-Nov-09
7.7 LD
8.4
20
2019 XS
2022-Nov-10
16.7 LD
11.9
60
2022 VP
2022-Nov-11
8.1 LD
5.1
19
2022 UV14
2022-Nov-11
10.8 LD
7.6
19
2020 FC4
2022-Nov-12
19.3 LD
13.3
78
2022 VE
2022-Nov-13
11.3 LD
9.6
31
2022 UH16
2022-Nov-14
14.8 LD
9.8
23
2022 UP2
2022-Nov-14
10.6 LD
6
34
2019 VL5
2022-Nov-15
8.5 LD
8.1
24
2022 UD28
2022-Nov-16
10.9 LD
11.5
32
2018 WH
2022-Nov-16
2.5 LD
7.7
4
2022 US14
2022-Nov-18
8.5 LD
8.3
40
2022 VX
2022-Nov-20
11.2 LD
5.9
13
2019 OR1
2022-Nov-21
18.1 LD
13.4
246
2005 LW3
2022-Nov-23
3 LD
13.5
168
2022 VQ
2022-Nov-27
7.7 LD
8.2
24
2010 VQ
2022-Dec-02
11.9 LD
3.9
10
2009 HV58
2022-Dec-02
12.3 LD
28.8
427
2022 UT8
2022-Dec-02
11.1 LD
4.2
64
2017 QL33
2022-Dec-03
16 LD
6.9
195
2019 XY
2022-Dec-10
3.6 LD
12.9
9
2003 YS70
2022-Dec-13
10.4 LD
4.1
5
2019 XQ1
2022-Dec-13
14.5 LD
9.8
30
2018 XU3
2022-Dec-13
14.8 LD
10.3
30
2021 XS4
2022-Dec-14
14.5 LD
9.7
23
2015 RN35
2022-Dec-15
1.8 LD
5.9
84
2016 YE
2022-Dec-18
18.6 LD
4.8
23
2014 HK129
2022-Dec-20
6.7 LD
11.6
214
2017 XQ60
2022-Dec-21
18.8 LD
16
45
2022 UD9
2022-Dec-22
4.6 LD
10.3
153
2022 RD2
2022-Dec-22
13.9 LD
1.1
7
2013 YA14
2022-Dec-25
2.7 LD
10.5
68
2022 TE14
2022-Dec-25
11.2 LD
7
128
2018 YK2
2022-Dec-26
15.8 LD
15.1
98
2010 XC15
2022-Dec-27
2 LD
10.1
184
2021 AE
2022-Dec-28
16.5 LD
15
23
2021 NF
2023-Jan-02
17.9 LD
11.3
40
2011 WR41
2023-Jan-03
15.8 LD
8.9
34
2019 AY3
2023-Jan-04
16.8 LD
19.7
62
2021 TL
2023-Jan-09
14.2 LD
8.5
75
Notes: LD means "Lunar Distance." 1 LD = 384,401 km, the distance between Earth and the Moon. 1 LD also equals 0.00256 AU.
  Cosmic Rays in the Atmosphere

SPACE WEATHER BALLOON DATA: Almost once a week, Spaceweather.com and the students of Earth to Sky Calculus fly space weather balloons to the stratosphere over California. These balloons are equipped with sensors that detect secondary cosmic rays, a form of radiation from space that can penetrate all the way down to Earth's surface. Our monitoring program has been underway without interruption for 7 years, resulting in a unique dataset of in situ atmospheric measurements.

Latest results (July 2022): Atmospheric radiation is decreasing in 2022. Our latest measurements in July 2022 registered a 6-year low:

What's going on? Ironically, the radiation drop is caused by increasing solar activity. Solar Cycle 25 has roared to life faster than forecasters expected. The sun's strengthening and increasingly tangled magnetic field repels cosmic rays from deep space. In addition, solar coronal mass ejections (CMEs) sweep aside cosmic rays, causing sharp reductions called "Forbush Decreases." The two effects blend together to bring daily radiation levels down.

.Who cares? Cosmic rays are a surprisingly "down to Earth" form of space weather. They can alter the chemistry of the atmosphere, trigger lightning, and penetrate commercial airplanes. According to a study from the Harvard T.H. Chan school of public health, crews of aircraft have higher rates of cancer than the general population. The researchers listed cosmic rays, irregular sleep habits, and chemical contaminants as leading risk factors. A number of controversial studies (#1, #2, #3, #4) go even further, linking cosmic rays with cardiac arrhythmias and sudden cardiac death.

Technical notes: The radiation sensors onboard our helium balloons detect X-rays and gamma-rays in the energy range 10 keV to 20 MeV. These energies span the range of medical X-ray machines and airport security scanners.

Data points in the graph labeled "Stratospheric Radiation" correspond to the peak of the Regener-Pfotzer maximum, which lies about 67,000 feet above central California. When cosmic rays crash into Earth's atmosphere, they produce a spray of secondary particles that is most intense at the entrance to the stratosphere. Physicists Eric Regener and Georg Pfotzer discovered the maximum using balloons in the 1930s and it is what we are measuring today.

  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.
SolarMonitor.org
  information about sunspots based on the latest NOAA/USAF Active Region Summary
Starlink Satellite Statistics
  current counts of failed and deployed Starlink satellites from Jonathan's Space Page
The Aerospace Corporation
  Authoritative predictions of space junk and satellite re-entries
Daily Sunspot Summaries
  from the NOAA Space Environment Center
NOAA 27-Day Space Weather Forecasts
  fun to read, but should be taken with a grain of salt! Forecasts looking ahead more than a few days are often wrong.
Aurora 30 min forecast
  from the NOAA Space Environment Center
Live Aurora Webcam
  from Lights over Lapland
Heliophysics
  the underlying science of space weather

To get the best views of the cosmos, check out the Phoenix Window Glass Replacement experts for all your window and glass needs

To get an up close view of the heavenly bodies surrounding Earth, think about selling your junk car for cash and buying a high quality telescope.
Spaceweather.com welcomes these supporters of science communication: RV Sales and Arizona SEO and Arizona Business Directory and C8 Corvette | Phoenix Personal Injury Lawyer | Phoenix SEO
NASA Near Earth Asteroid Home Page

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