Multi-Sun Composition
The background of the movie shows the view of the wide-angle coronagraphs (blue/white), or LASCO instruments, aboard SOHO. They show streams of electrons outbound from the Sun, part of the solar atmosphere. The central green image is the Sun in ultraviolet light from the EIT instrument. Note that flashes of solar flares in the ultraviolet quickly propagate out from the Sun and are visible in LASCO. These events are coronal mass ejections, or CMEs.
Overlaid on the upper left is a better view of the EIT ultraviolet image at a wavelength of 195 angstroms (19.5 nanometers).
On the lower left, the orange movie is the EIT ultraviolet movie at 304 angstroms (30.4 nanometers).
On the upper right is a solar magnetogram, taken by the MDI instrument. The white regions correspond to positive (north) magnetic flux and the dark regions to negative (south) magnetic flux.
The colors for the sequences above are not real. They are chosen by convention since the properties recorded by the cameras are not visible to the human eye.
The final image on the lower right is also from MDI. It is a combination of several optical wavelengths and is the best representation from SOHO of the Sun in visible light, as we would see it through ground-based telescopes.
The movies that are part of this composition are also available individually on the SVS site:
Visualization Credits
Tom Bridgman (Global Science and Technology, Inc.): Animator
Stuart A. Snodgrass (HTSI): Video Editor
William D. Pesnell (NASA/GSFC): Scientist
NASA/Goddard Space Flight Center Scientific Visualization Studio
https://svs.gsfc.nasa.gov/3566
Mission:
SOHO
Data Used:
SOHO/Large Angle Spectrometric COronagraph (LASCO)/C2 also referred to as: LASCO/C2
NASA and ESA - 2003-10-25 to 2003-11-07SOHO/Large Angle Spectrometric COronagraph (LASCO)/C3 also referred to as: LASCO/C3
NASA and ESA - 2003-10-25 to 2003-11-07SOHO/Extreme-UV Imaging Telescope (EIT)/195 Filter also referred to as: SOHO/EIT 195
NASA and ESA - 2003-10-25 to 2003-11-07SOHO/Extreme-UV Imaging Telescope (EIT)/304 Filter also referred to as: SOHO/EIT 304
NASA and ESA - 2003-10-25 to 2003-11-07SOHO/Michelson Doppler Interferometer (MDI)/Magnetogram
NASA and ESA - 2003-10-25 to 2003-11-07SOHO/Michelson Doppler Interferometer (MDI)/Continuum
NASA and ESA - 2003-10-25 to 2003-11-07This item is part of these series:
SDO Pre-launch
Halloween Solar Storms 2003: A Multi-Mission View
The Sun
Keywords:
SVS >> HDTV
SVS >> SOHO
SVS >> Solar Cycle
SVS >> Solar Rotation
SVS >> Solar Wind
GCMD >> Earth Science >> Sun-earth Interactions >> Solar Activity >> Solar Active Regions
GCMD >> Earth Science >> Sun-earth Interactions >> Solar Activity >> Solar Flares
GCMD >> Earth Science >> Sun-earth Interactions >> Solar Activity >> Solar Ultraviolet
SVS >> Hyperwall
SVS >> For Educators
SVS >> Solar Storm
SVS >> Solar Activity
NASA Science >> Sun
SVS >> Visible Light Imaging
SVS >> Extreme Ultraviolet Imaging
SVS >> EUV Imaging
GCMD keywords can be found on the Internet with the following citation: Olsen, L.M., G. Major, K. Shein, J. Scialdone, S. Ritz, T. Stevens, M. Morahan, A. Aleman, R. Vogel, S. Leicester, H. Weir, M. Meaux, S. Grebas, C.Solomon, M. Holland, T. Northcutt, R. A. Restrepo, R. Bilodeau, 2013. NASA/Global Change Master Directory (GCMD) Earth Science Keywords. Version 8.0.0.0.0
