1. Announcement:
    Forum Guidelines
    Bill Ryan (Avalon Founder)
    28th February 2010
    Views:
    150,269
+ Post New Thread
Page 1 of 33 1 11 33 LastLast
Threads 1 to 30 of 969

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
    167 Pages
    1 2 3 4 5 6 7 8 9 10 ... 167
    • Replies: 3,333
    • Views: 514,827
    3rd April 2018 12:43 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: 222,183
    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: 45,988
    30th September 2013 03:29 Go to last post
  1. 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: 282
    9th August 2018 16:40 Go to last post
  2. 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: 269
    7th August 2018 21:14 Go to last post
  3. 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: 562
    20th July 2018 19:02 Go to last post
  4. 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: 450
    11th July 2018 14:00 Go to last post
  5. 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: 598
    27th June 2018 14:20 Go to last post
  6. 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: 449
    26th June 2018 16:30 Go to last post
  7. 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: 457
    21st June 2018 13:30 Go to last post
  8. 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: 546
    18th June 2018 19:30 Go to last post
  9. 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: 704
    17th June 2018 09:11 Go to last post
  10. 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: 1,088
    2nd May 2018 17:21 Go to last post
  11. 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: 873
    14th April 2018 22:20 Go to last post
  12. 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: 1,184
    14th April 2018 22:12 Go to last post
  13. 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: 1,954
    13th April 2018 17:36 Go to last post
  14. 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: 723
    26th March 2018 19:50 Go to last post
  15. 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: 1,117
    15th March 2018 16:40 Go to last post
  16. 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: 902
    14th March 2018 18:40 Go to last post
  17. 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: 1,030
    14th February 2018 20:10 Go to last post
  18. 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: 1,027
    11th February 2018 19:53 Go to last post
  19. 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: 1,401
    29th January 2018 23:10 Go to last post
  20. 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: 1,156
    11th January 2018 18:10 Go to last post
  21. 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: 1,183
    11th January 2018 16:10 Go to last post
  22. 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: 1,151
    21st December 2017 03:00 Go to last post
  23. Momentum Management Maneuver #31

    SDO will perform Momentum Management Maneuver (Delta-H) #31 between 1919 and 1953 UTC (2:19-2:53 pm ET) today. We will fire the thrusters to bring...

    Started by SDO, 20th December 2017 15:00
    • Replies: 0
    • Views: 887
    20th December 2017 15:00 Go to last post
  24. Why Look at the Sun from Space?

    SDO is one of fleet of satellites watching the Sun and recording the data that we use to study the solar magnetic field. The Sun was one of the first...

    Started by SDO, 20th November 2017 19:00
    • Replies: 0
    • Views: 1,064
    20th November 2017 19:00 Go to last post
  25. Solar Charts

    with everything going on with the sun right now, I'm going to put all my favorite charts up with a small description of what they tell me... I...

    Started by Rocky_Shorz, 10th September 2012 05:45
    5 Pages
    1 2 3 4 5
    • Replies: 88
    • Views: 42,234
    13th November 2017 07:24 Go to last post
  26. Post Return of the Comet: 96P Spotted by ESA, NASA Satellites

    Sun-gazing missions SOHO and STEREO watched the return of comet 96P/Machholz when it entered their fields of view between Oct. 25-30. It is extremely...

    Started by NASA, 3rd November 2017 16:30
    • Replies: 0
    • Views: 1,221
    3rd November 2017 16:30 Go to last post
  27. Is the Sun Getting Brighter?

    I was asked whether SDO measures the total output of the Sun and whether an increase in that output could be causing the temperature of the Earth to...

    Started by SDO, 1st November 2017 15:10
    2 Pages
    1 2
    • Replies: 30
    • Views: 3,916
    3rd November 2017 13:10 Go to last post
  28. Post Comet 96P/Machholz

    The STEREO and SOHO Teams are gearing up for a planned visit by one of our favorite celestial wanderers! The comet 96P/Machholz should be in the...

    Started by NASA, 20th October 2017 21:20
    • Replies: 0
    • Views: 1,313
    20th October 2017 21:20 Go to last post
  29. Today's Lunar Transit

    It was a lovely fall day in Maryland. A perfect day for a lunar transit! Here's an AIA 171 Å image showing the Moon blocking a slice of the...

    Started by SDO, 19th October 2017 23:50
    • Replies: 0
    • Views: 1,214
    19th October 2017 23:50 Go to last post
  30. Post Calling all Citizen Scientists!

    Want to help solar scientists use STEREO data to better understand Coronal Mass Ejections?You can do that, with no previous experience required. The...

    Started by NASA, 3rd October 2017 13:50
    • Replies: 5
    • Views: 1,790
    5th October 2017 05:36 Go to last post

+ Post New Thread
Page 1 of 33 1 11 33 LastLast

Thread Display Options

Use this control to limit the display of threads to those newer than the specified time frame.

Allows you to choose the data by which the thread list will be sorted.

Order threads in...

Note: when sorting by date, 'descending order' will show the newest results first.

Icon Legend

Contains unread posts
Contains unread posts
Contains no unread posts
Contains no unread posts
More than 20 replies or 1000 views
Hot thread with unread posts
More than 20 replies or 1000 views
Hot thread with no unread posts
Closed Thread
Thread is closed
Thread Contains a Message Written By You
You have posted in this thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts