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Forum: Solar Activity, Reports and Discussions

Latest reports from SOHO and Solar related discussion.

  1. Sticky Thread Sticky: Sun Stuff: What's up!

    New thread to post info on the sun's activity. Old thread has been moved to Future Talk due to the nature of the OP RE: Boeing Whistleblower via...

    Started by MorningSong, 7th September 2011 00:15
    168 Pages
    1 2 3 4 5 6 7 8 9 10 ... 168
    • Replies: 3,345
    • Views: 524,909
    16th September 2018 18:08 Go to last post
  2. Sticky Thread Sticky: Something Really BIG is Going on With The Sun

    What I am about to post may be a hoax and it might not. I found this info on another forum and the poster there found it on a 3rd forum still. ...

    Started by MorningSong, 19th March 2010 00:45
    29 Pages
    1 2 3 4 5 6 7 8 9 10 ... 29
    • Replies: 573
    • Views: 227,353
    22nd May 2017 18:25 Go to last post
  3. Sticky Thread Sticky: The Sun Now

    The Latest Images From SOHO and STEREO Spacecraft Images usually update hourly SOHO http://sohowww.nascom.nasa.gov/home.html STEREO

    Started by Richard, 13th April 2010 18:36
    3 Pages
    1 2 3
    • Replies: 54
    • Views: 47,262
    30th September 2013 03:29 Go to last post
  1. Post New Insights on Comet Tails Are Blowing in the Solar Wind

    STEREO data are contributing to a new understanding of comets and how they are affected by the Sun. More...

    Started by NASA, 5th November 2018 17:10
    • Replies: 0
    • Views: 325
    5th November 2018 17:10 Go to last post
  2. Lunar Transit on November 7, 2018

    SDO will experience a lunar transit on November 7, 2018. Here is a movie from the Flight Operations Team that shows SDO, the Sun, and the Moon during...

    Started by SDO, 1st November 2018 09:10
    • Replies: 0
    • Views: 431
    1st November 2018 09:10 Go to last post
  3. HMI Focus Adjustments Today, Data may be Unavailable

    Anything looking at the Sun tends to heat up. The SDO instruments have been looking at the Sun for 8.5 years. Although they are designed to look at...

    Started by SDO, 17th October 2018 00:20
    • Replies: 0
    • Views: 338
    17th October 2018 00:20 Go to last post
  4. Nice Video of Solar Cycle 24 Eruptions

    Can't get enough solar eruptions, especially from SDO? Here's a nice video from the Solar-Terrestrial Center of Excellence in Brussels, Belgium. They...

    Started by SDO, 20th September 2018 15:50
    • Replies: 0
    • Views: 422
    20th September 2018 15:50 Go to last post
  5. SDO Maneuvers September 12, 2018

    Between 1315 and 1900 UTC (9:15 am - 3 pm ET) On September 12, 2018, SDO performed the EVE field of view and HMI/AIA flat field maneuvers. During the...

    Started by SDO, 13th September 2018 14:10
    • Replies: 0
    • Views: 587
    13th September 2018 14:10 Go to last post
  6. The September 9-10 Double Lunar Transits

    SDO will experience a double lunar transit on September 9 and 10, 2018. Here is a movie from the Flight Operations Team that shows SDO, the Sun, and...

    Started by SDO, 7th September 2018 19:40
    • Replies: 0
    • Views: 637
    7th September 2018 19:40 Go to last post
  7. Power Interruption Today

    The SDO.gsfc.nasa.gov website will be unavailable today from 7:00 am - noon ET while work on the electrical supply to the building takes place. ...

    Started by SDO, 23rd August 2018 13:20
    • Replies: 0
    • Views: 833
    23rd August 2018 13:20 Go to last post
  8. Station Keeping Maneuver #17 is Today

    SDO will perform Station Keeping (or Delta-V) Maneuver #17 today between 2200-2250 UTC (6:00-6:50 p.m. ET). This maneuver is used to keep SDO inside...

    Started by SDO, 15th August 2018 13:30
    • Replies: 0
    • Views: 612
    15th August 2018 13:30 Go to last post
  9. Comet Offpoint Test Looked Great!

    The comet offpoint test SDO ran very smoothly yesterday. Here is an AIA 171 Å image from 1441 UTC (10:41 am ET). The image of the Sun has been...

    Started by SDO, 9th August 2018 16:40
    • Replies: 0
    • Views: 440
    9th August 2018 16:40 Go to last post
  10. Comet Offpoint Test, August 8, 2018

    Tomorrow morning, from 1430-1505 UTC (10:30-11:05 ET), SDO will perform a comet offprint test maneuver. This is only a test, there is no comet that...

    Started by SDO, 7th August 2018 20:50
    • Replies: 1
    • Views: 405
    7th August 2018 21:14 Go to last post
  11. Post Discovering Fine Structure in the Outer Corona

    Scientists use special STEREO campaign data and state-of-the-art image processing to reveal the structure of the solar corona as it flows outward to...

    Started by NASA, 20th July 2018 17:00
    • Replies: 4
    • Views: 896
    20th July 2018 19:02 Go to last post
  12. Today's Maneuver and Schedule for the rest of 2018

    Today at 1500 UTC (11:00 am ET) SDO will perform the HMI roll. The spacecraft rolls once around the axis pointed towards the Sun to provide...

    Started by SDO, 11th July 2018 14:00
    • Replies: 0
    • Views: 749
    11th July 2018 14:00 Go to last post
  13. Today's Maneuvers

    Today SDO is performing the EVE Field of View and HMI Flatfield calibration maneuvers. Between 1315 and 1910 UTC (9:15 am - 3:10 pm ET) SDO will move...

    Started by SDO, 27th June 2018 14:20
    • Replies: 0
    • Views: 896
    27th June 2018 14:20 Go to last post
  14. Annie Scott Dill Maunder, Solar Physicist

    The Royal Greenwich Observatory (RGO) dedicated a new telescope on June 25, 2018, returning a tradition of observations to London. The telescope is...

    Started by SDO, 26th June 2018 16:30
    • Replies: 0
    • Views: 697
    26th June 2018 16:30 Go to last post
  15. Happy Summer Solstice 2018!

    Today, June 21, 2018, at 1007 UTC (6:07 am ET) the Sun reached its northernmost point in our sky. In the northern hemisphere we have the longest day...

    Started by SDO, 21st June 2018 13:30
    • Replies: 0
    • Views: 668
    21st June 2018 13:30 Go to last post
  16. Congratulations to the EVE on a Successful Launch

    The EVE team from LASP launched their calibration instrument over White Sands today at 1 pm MT (3 pm ET). They got about 10 minutes of data and the...

    Started by SDO, 18th June 2018 19:30
    • Replies: 0
    • Views: 742
    18th June 2018 19:30 Go to last post
  17. Horse in the Sun

    Hi all, This occurred a couple of weeks ago now. I haven't seen it shared. Quite interesting: QwvKyY26lB0 I personally don't usually focus...

    Started by Alpha141, 17th June 2018 09:11
    • Replies: 0
    • Views: 939
    17th June 2018 09:11 Go to last post
  18. High-Gain Antenna Test is Complete

    SDO completed the Failed High-Gain Antenna Simulation and rolled back to its normal orientation at 1900 UTC (3:00 p.m. ET) last Wednesday. Here is a...

    Started by SDO, 1st May 2018 23:10
    • Replies: 1
    • Views: 1,224
    2nd May 2018 17:21 Go to last post
  19. SDO Instrument Calibration Maneuvers

    This past Wednesday starting at 1415 UTC (10:15 am ET) SDO performed the EVE FOV and HMI/AIA Flatfield instrument calibration maneuvers. The...

    Started by SDO, 14th April 2018 22:20
    • Replies: 0
    • Views: 1,084
    14th April 2018 22:20 Go to last post
  20. The First Signs of Solar Cycle 25

    On 20-Dec-2016 a USET observer saw a small patch of magnetic field in the southern hemisphere of the Sun. The outward magnetic field (white in the...

    Started by SDO, 13th April 2018 18:20
    • Replies: 3
    • Views: 1,555
    14th April 2018 22:12 Go to last post
  21. High-Gain Antenna Test Continues

    The SDO Team continues running the high-gain antenna (HGA) test. We are pretending that the “bottom” HGA has stopped working and we are...

    Started by SDO, 4th April 2018 00:00
    • Replies: 9
    • Views: 2,232
    13th April 2018 17:36 Go to last post
  22. On-Orbit Testing of SDO, March 28–April 25, 2018

    SDO uses two high-gain antennas (HGAs) on the spacecraft to maintain continuous contact with the SDO ground station in New Mexico. Should one of...

    Started by SDO, 26th March 2018 19:50
    • Replies: 0
    • Views: 929
    26th March 2018 19:50 Go to last post
  23. Post 3 NASA Satellites Recreate Solar Eruption in 3-D

    The more solar observatories, the merrier: Scientists have developed new models to see how shocks associated with coronal mass ejections, or CMEs,...

    Started by NASA, 15th March 2018 16:40
    • Replies: 0
    • Views: 1,327
    15th March 2018 16:40 Go to last post
  24. Happy Pi Day!

    Although there isn't a major geomagnetic storm happening today (and none expected tomorrow), here is a lovely picture of the Sun showing a coronal...

    Started by SDO, 14th March 2018 18:40
    • Replies: 0
    • Views: 1,054
    14th March 2018 18:40 Go to last post
  25. Station Keeping Maneuver #16 Today

    SDO will perform station-keeping maneuver #16 today. The maneuver begins at 22:12 UTC (5:12 pm ET) and lasts until 22:56 UTC (5:56 pm ET). During the...

    Started by SDO, 14th February 2018 20:10
    • Replies: 0
    • Views: 1,235
    14th February 2018 20:10 Go to last post
  26. Happy 8th Birthday, SDO!

    It was a cold day at Cape Kennedy as SDO rose slowly into the sky. Eight years later, SDO has sent over 260 million images of the Sun to the ground....

    Started by SDO, 11th February 2018 19:10
    • Replies: 3
    • Views: 1,180
    11th February 2018 19:53 Go to last post
  27. 2018 Maneuvers, Past and Future

    SDO ran a number of maneuvers during January 2018. Science data may be unavailable or blurry on days when a maneuver is run. During eclipse season...

    Started by SDO, 29th January 2018 23:10
    • Replies: 0
    • Views: 1,598
    29th January 2018 23:10 Go to last post
  28. Server maintenance, January 11, 2018

    Today, January 11, 2018 at approx. 1:30 pm the SDO website will undergo server maintenance. The website will still be operational. However, images,...

    Started by SDO, 11th January 2018 18:10
    • Replies: 0
    • Views: 1,307
    11th January 2018 18:10 Go to last post
  29. Post Magnetic coil springs accelerate particles on the Sun

    In April and July 2014, the Sun emitted three jets of energetic particles into space, that were quite exceptional: the particle flows contained such...

    Started by NASA, 11th January 2018 16:10
    • Replies: 0
    • Views: 1,482
    11th January 2018 16:10 Go to last post
  30. Post STEREO images show the Sun's Outer Atmosphere is More Complex than Previously Thought

    The outer part of the Sun's atmosphere, the corona, looks pretty smooth, but new deep exposures of the outer corona reveal complex structures. This...

    Started by NASA, 21st December 2017 03:00
    • Replies: 0
    • Views: 1,291
    21st December 2017 03:00 Go to last post

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