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SDO Lunar Transit, Prominence Eruption, and M-Class Flare

On Jan 30, 2014, beginning at 8:31 a.m EST, the moon moved between NASA's Solar Dynamics Observatory, or SDO, and the sun, giving the observatory a view of a partial solar eclipse from space. Such a lunar transit happens two to three times each year. This one lasted two and one half hours, which is the longest ever recorded. When the next one will occur is as of yet unknown due to planned adjustments in SDO's orbit.

Note in the pictures how crisp the horizon is on the moon, a reflection of the fact that the moon has no atmosphere around it to distort the light from the sun.

The sun emitted a mid-level solar flare, peaking at 11:11 a.m. EST on Jan. 30, 2014. Images of the flare were captured by NASA's Solar Dynamics Observatory, or SDO, shortly after the observatory witnessed a lunar transit. The black disk of the moon can be seen in the lower right of the images.

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More information on this topic available at:
http://www.nasa.gov/content/goddard/nasas-sdo-sees-a-solar-flare-and-a-lunar-transit/
http://www.nasa.gov/content/goddard/nasas-sdo-sees-lunar-transit/

A movie of the Jan 30, 2014 lunar transit. The movie shows the sun moving quite a bit because SDO has a hard time keeping the sun centered in the image during a transit, because the moon blocks so much light.  The fine guidance systems on the SDO instruments need to see the whole sun in order keep the images centered from exposure to exposure. Once the transit was over, the fine guidance systems started back up, once again providing steady images of the sun. The moon passes in front of the sun in this movie captured by NASA's Solar Dynamics Observatory on Jan. 30, 2014.  Shortly after that, a solar flare erupts, as seen by the bright flash on the left side of the sun.    A movie of the Jan 30, 2014 lunar transit. The movie shows the sun moving quite a bit because SDO has a hard time keeping the sun centered in the image during a transit, because the moon blocks so much light. The fine guidance systems on the SDO instruments need to see the whole sun in order keep the images centered from exposure to exposure. Once the transit was over, the fine guidance systems started back up, once again providing steady images of the sun.

The moon passes in front of the sun in this movie captured by NASA's Solar Dynamics Observatory on Jan. 30, 2014. Shortly after that, a solar flare erupts, as seen by the bright flash on the left side of the sun.


Duration: 43.4 seconds
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  1920x1080 JPEG         566 KB
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NASA's Solar Dynamics Observatory captured this image of the moon crossing in front of its view of the sun on Jan. 30, 2014, at 10:30 a.m. EST in 171 and 304 angstrom light. The two wavelengths are blended together. Credit: NASA/SDO    NASA's Solar Dynamics Observatory captured this image of the moon crossing in front of its view of the sun on Jan. 30, 2014, at 10:30 a.m. EST in 171 and 304 angstrom light. The two wavelengths are blended together.

Credit: NASA/SDO

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NASA's Solar Dynamics Observatory captured this image of the moon crossing in front of its view of the sun on Jan. 30, 2014, at 11:00 a.m. EST in 171 and 304 angstrom light. The two wavelengths are blended together. Credit: NASA/SDO    NASA's Solar Dynamics Observatory captured this image of the moon crossing in front of its view of the sun on Jan. 30, 2014, at 11:00 a.m. EST in 171 and 304 angstrom light. The two wavelengths are blended together.

Credit: NASA/SDO

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  4096 x 4096     JPEG       6 MB
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NASA's Solar Dynamics Observatory captured this image of the moon crossing in front of its view of the sun on Jan. 30, 2014, at 11:00 a.m. EST in 171 and 131 angstrom light. The two wavelengths are blended together. Credit: NASA/SDO    NASA's Solar Dynamics Observatory captured this image of the moon crossing in front of its view of the sun on Jan. 30, 2014, at 11:00 a.m. EST in 171 and 131 angstrom light. The two wavelengths are blended together.

Credit: NASA/SDO

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  4096 x 4096     TIFF     38 MB


NASA's Solar Dynamics Observatory captured this image of the moon crossing in front of its view of the sun on Jan. 30, 2014, at 9:44 a.m. EST in 171 and 304 angstrom light. The two wavelengths are blended together. Credit: NASA/SDO    NASA's Solar Dynamics Observatory captured this image of the moon crossing in front of its view of the sun on Jan. 30, 2014, at 9:44 a.m. EST in 171 and 304 angstrom light. The two wavelengths are blended together.

Credit: NASA/SDO

Available formats:
  4096 x 4096     JPEG       1 MB


NASA's Solar Dynamics Observatory captured this image of the moon crossing in front of its view of the sun on Jan. 30, 2014, at 9:58 a.m. EST in 171 and 304 angstrom light. The two wavelengths are blended together. Credit: NASA/SDO    NASA's Solar Dynamics Observatory captured this image of the moon crossing in front of its view of the sun on Jan. 30, 2014, at 9:58 a.m. EST in 171 and 304 angstrom light. The two wavelengths are blended together.

Credit: NASA/SDO

Available formats:
  4096 x 4096     JPEG   849 KB


NASA's Solar Dynamics Observatory captured this image of the moon crossing in front of its view of the sun on Jan. 30, 2014, at 9:00 a.m. EST in 304 angstrom light. Credit: NASA/SDO    NASA's Solar Dynamics Observatory captured this image of the moon crossing in front of its view of the sun on Jan. 30, 2014, at 9:00 a.m. EST in 304 angstrom light.

Credit: NASA/SDO

Available formats:
  4096 x 4096     JPEG       2 MB


NASA's Solar Dynamics Observatory captured this image of the moon crossing in front of its view of the sun on Jan. 30, 2014, at 9:44 a.m. EST in 171 angstrom light. This group also contains 4k video and frames of the complete lunar transit. Credit: NASA/SDO    NASA's Solar Dynamics Observatory captured this image of the moon crossing in front of its view of the sun on Jan. 30, 2014, at 9:44 a.m. EST in 171 angstrom light. This group also contains 4k video and frames of the complete lunar transit.

Credit: NASA/SDO
Duration: 10.3 seconds
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NASA's Solar Dynamics Observatory captured this image of the moon crossing in front of its view of the sun on Jan. 30, 2014, at 9:44 a.m. EST in 304 angstrom light. This group also contains 4k video and frames of the complete lunar transit. Credit: NASA/SDO    NASA's Solar Dynamics Observatory captured this image of the moon crossing in front of its view of the sun on Jan. 30, 2014, at 9:44 a.m. EST in 304 angstrom light. This group also contains 4k video and frames of the complete lunar transit.

Credit: NASA/SDO
Duration: 9.4 seconds
Available formats:
  4096x4096 QT         1 GB
  4096x4096 Frames
  4096x4096 JPEG         1 MB
How to play our movies


NASA's Solar Dynamics Observatory captured this image of the moon crossing in front of its view of the sun on Jan. 30, 2014, at 9:44 a.m. EST in 131 angstrom light. This group also contains 4k video and frames of the complete lunar transit. Credit: NASA/SDO    NASA's Solar Dynamics Observatory captured this image of the moon crossing in front of its view of the sun on Jan. 30, 2014, at 9:44 a.m. EST in 131 angstrom light. This group also contains 4k video and frames of the complete lunar transit.

Credit: NASA/SDO
Duration: 10.4 seconds
Available formats:
  4096x4096 QT         1 GB
  4096x4096 Frames
  4096x4096 JPEG         3 MB
How to play our movies


NASA's Solar Dynamics Observatory captured this image of the moon crossing in front of its view of the sun on Jan. 30, 2014, at 9:44 a.m. EST in 335 angstrom light. Credit: NASA/SDO    NASA's Solar Dynamics Observatory captured this image of the moon crossing in front of its view of the sun on Jan. 30, 2014, at 9:44 a.m. EST in 335 angstrom light.

Credit: NASA/SDO

Available formats:
  4096 x 4096     JPEG       6 MB


NASA's Solar Dynamics Observatory captured this image of the moon crossing in front of its view of the sun on Jan. 30, 2014, at 9:44 a.m. EST in 193 angstrom light. Credit: NASA/SDO    NASA's Solar Dynamics Observatory captured this image of the moon crossing in front of its view of the sun on Jan. 30, 2014, at 9:44 a.m. EST in 193 angstrom light.

Credit: NASA/SDO

Available formats:
  4096 x 4096     JPEG       1 MB


NASA's Solar Dynamics Observatory captured this image of the moon crossing in front of its view of the sun on Jan. 30, 2014, at 9:44 a.m. EST in 1600 angstrom light. Credit: NASA/SDO    NASA's Solar Dynamics Observatory captured this image of the moon crossing in front of its view of the sun on Jan. 30, 2014, at 9:44 a.m. EST in 1600 angstrom light.

Credit: NASA/SDO

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Short URL to This Page:http://svs.gsfc.nasa.gov/goto?11463
Animation Number:11463
Completed:2014-01-30
Animator:Tom Bridgman (GST) (Lead)
Video Editor:Scott Wiessinger (USRA)
Producers:Scott Wiessinger (USRA)
 Genna Duberstein (USRA)
Writer:Karen Fox (ASI)
Series:Heliophysics Breaking News
Goddard TV Tape:G2014-015 -- 2014 Heliophysics Breaking News
Please give credit for this item to:
NASA's Goddard Space Flight Center
 
Keywords:
SVS >> Solar Flare
SVS >> Solar Ultraviolet
SVS >> Sun
SVS >> SDO
SVS >> Solar Dynamics Observatory
SVS >> Heliophysics
SVS >> Corona
 
 


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Many of our multimedia items use the GCMD keywords. These 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

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