Real Time Images of the Sun


SOHO EIT 304
Click for time-lapse image of the sun
SOHO EIT 284
SOHO EIT 284 image of the sun
Mauna Loa Solar Image
Latest Mauna Loa image of the Sun

The sun is constantly monitored for sun spots and coronal mass ejections. EIT (Extreme ultraviolet Imaging Telescope) images the solar atmosphere at several wavelengths, and therefore, shows solar material at different temperatures. In the images taken at 304 Angstrom the bright material is at 60,000 to 80,000 degrees Kelvin. In those taken at 171 Angstrom, at 1 million degrees. 195 Angstrom images correspond to about 1.5 million Kelvin, 284 Angstrom to 2 million degrees. The hotter the temperature, the higher you look in the solar atmosphere.

Real Time Solar X-ray and Solar Wind


Graph showing current solar cycle progression

 

Solar Cycle chart updated using the latest ISES predictions.

 

Graph showing Real-Time Solar Wind
Real-Time Solar Wind data broadcast from NASA's ACE satellite.

 

The Solar Cycle is observed by counting the frequency and placement of sunspots visible on the Sun. Solar minimum occurred in December, 2008. Solar maximum is expected to occur in May, 2013.

 

Graph showing Real-Time Solar X-ray Flux

 

This plot shows 3-days of 5-minute solar x-ray flux values measured on the SWPC primary and secondary GOES satellites.

 

Graph showing Real-Time Satellite Environment Plot

 

Geomagnetic activity can affect communications, navigation systems, satellite health, power grids, and space travel. Kp is one of the most common indices used to indicate the severity of the global magnetic disturbances in near-Earth space. The dashed red line indicates the lowest alert level, G1 (minor), on the NOAA Space Weather Scale. The bottom Lead Time panel shows an estimate of the actual lead time which depends on solar wind speed. The lead time is the time for the solar wind to propagate from the ACE satellite, at L1, to the Earth.

 

Graph showing Real-Time Satellite Environment Plot

 

The Satellite Environment Plot combines satellite and ground-based data to provide an overview of the current geosynchronous satellite environment.

 

 

Credits:

Space Weather Images and Information (excluded from copyright) courtesy of: NOAA / NWS Space Weather Prediction Center, Mauna Loa Solar Observatory (HAO/NCAR), and SOHO (ESA & NASA).

Space Weather links:
3-Day Forecast of Solar and Geophysical Activity
Space Weather Now
Today's Space Weather
Real-Time Solar Wind
Space Weather Outlooks
Space Weather Bulletins
Space Weather Alerts and Warnings
Space Weather Alerts - Current Month
Solar and Heliospheric Observatory (SOHO)
The Very Latest SOHO Images

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