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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
    162 Pages
    1 2 3 4 5 6 7 8 9 10 ... 162
    • Replies: 3,237
    • Views: 307,512
    Yesterday 04:19 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: 570
    • Views: 142,251
    30th September 2014 19:25 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: 22,039
    30th September 2013 03:29 Go to last post
  1. A New Sungrazing Comet, Will SDO See It?

    Karl Battams (@SungrazingComets on Twitter) has announced a new sungrazing comet. It is seen in a LASCO image taken earlier today. The image here...

    Started by SDO, 27th August 2015 17:00
    • Replies: 0
    • Views: 610
    27th August 2015 17:00 Go to last post
  2. Welcome to the Fall 2015 Eclipse Season

    Today is the beginning of SDO's Fall 2015 eclipse season. From today until September 17, 2015, the Earth will pass between SDO and the Sun once each...

    Started by SDO, 25th August 2015 13:40
    • Replies: 0
    • Views: 750
    25th August 2015 13:40 Go to last post
  3. Stationkeeping Maneuver #11 is Today

    SDO will execute Stationkeeping Maneuver #11 today from about 2245-2315 UTC (6:45-7:15 p.m. ET). This Delta-V burn is used to keep the observatory...

    Started by SDO, 12th August 2015 13:10
    • Replies: 0
    • Views: 596
    12th August 2015 13:10 Go to last post
  4. Momentum Management Maneuver Today

    SDO will perform a Momentum Management maneuver today at 1930 UTC (3:30pm ET). For about 30 minutes from 1920 (3:20 pm ET) science data will not be...

    Started by SDO, 5th August 2015 17:40
    • Replies: 0
    • Views: 553
    5th August 2015 17:40 Go to last post
  5. HMI Roll Maneuver Today

    SDO will perform a roll maneuver today starting at 1630 UTC (12:30 pm ET). The Sun may appear to rotate in images taken during this maneuver. The...

    Started by SDO, 22nd July 2015 15:40
    • Replies: 0
    • Views: 602
    22nd July 2015 15:40 Go to last post
  6. Post NASA Cites the Return of the STEREO-A Spacecraft

    On July 11, 2015 we received our first images in over three months from NASA's Solar TErrestrial RElations Observatory Ahead spacecraft, or STEREO-A....

    Started by NASA, 17th July 2015 03:30
    • Replies: 0
    • Views: 620
    17th July 2015 03:30 Go to last post
  7. Exclamation Solar pick: Here comes the sun

    The Solar and Heliospheric Observatory (SOHO) has been watching the Sun for almost 20 years. In that time it has seen solar activity ramp up and... ...

    Started by SOHO, 13th July 2015 21:10
    • Replies: 2
    • Views: 786
    14th July 2015 04:53 Go to last post
  8. More Calibration Maneuvers

    Today SDO will perform the EVE Field of View maneuver at 1315 UTC (9:15 a.m. ET) and the HMI/AIA Flatfield maneuver starting at 1630 UTC (2:20 p.m....

    Started by SDO, 8th July 2015 17:10
    • Replies: 0
    • Views: 645
    8th July 2015 17:10 Go to last post
  9. EVE Cruciform Tomorrow; An SDO Cover Story

    Tomorrow, July 1, 2015, SDO will perform an EVE cruciform calibration material. From 1800-2230 UTC (2:00-6:30 p.m. ET), SDO will look to and fro and...

    Started by SDO, 30th June 2015 18:10
    • Replies: 0
    • Views: 662
    30th June 2015 18:10 Go to last post
  10. A Flare, A CME, A Storm!

    Yesterday wee saw an M6.5 flare from active region 12372 followed by a filament liftoff, which turned into a coronal mass ejection, which became a a...

    Started by SDO, 23rd June 2015 14:30
    • Replies: 13
    • Views: 1,720
    25th June 2015 19:08 Go to last post
  11. Temporary Data Outage

    The SDO data system is undergoing an upgrade today, and there will be no images available until the upgrade is completed. We're very sorry for any...

    Started by SDO, 24th June 2015 15:20
    • Replies: 1
    • Views: 659
    25th June 2015 03:04 Go to last post
  12. 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
    3 Pages
    1 2 3
    • Replies: 54
    • Views: 16,406
    28th May 2015 23:43 Go to last post
  13. SDO/EVE Calibration Rocket Did Not Follow Planned Trajectory

    The SDO EVE calibration rocket was cut down by range safety about 16 seconds after launch. The rocket did not fly the planned trajectory and was cut...

    Started by SDO, 28th May 2015 13:00
    • Replies: 0
    • Views: 455
    28th May 2015 13:00 Go to last post
  14. Launching a Sounding Rocket to Help Calibrate NASA's SDO

    Tomorrow at high noon Mountain Time, the SDO EVE calibration sounding rocket will launch from White Sands Missile Range in New Mexico. It is only 15...

    Started by SDO, 20th May 2015 20:40
    • Replies: 0
    • Views: 429
    20th May 2015 20:40 Go to last post
  15. DDS offline

    The SDO DDS went offline at about 2247 UTC (6:47 p.m. ET). The SDO Flight Operations Team is looking into the outage. More...

    Started by SDO, 20th May 2015 03:00
    • Replies: 0
    • Views: 545
    20th May 2015 03:00 Go to last post
  16. IRU Calibration Maneuver is Complete

    Today's IRU calibration Maneuver has finished. Here is a short movie showing what SDO did. We first pointed the high-gain antennas away from the...

    Started by SDO, 13th May 2015 13:10
    • Replies: 0
    • Views: 465
    13th May 2015 13:10 Go to last post
  17. IRU Calibration Maneuver

    SDO will perform an IRU Calibration maneuver on May 13, 2015 from 0400 UTC (Midnight) to 1200 UTC (8 a.m. ET). The spacecraft will perform a series...

    Started by SDO, 13th May 2015 01:00
    • Replies: 0
    • Views: 477
    13th May 2015 01:00 Go to last post
  18. Momentum Management Maneuver #22 Complete

    SDO executed Momentum Management Maneuver #22 today at 1815 UTC (2:15 pm ET). We used 48.8 gr (1.72 oz) of propellant to change the reaction wheel...

    Started by SDO, 6th May 2015 21:30
    • Replies: 0
    • Views: 497
    6th May 2015 21:30 Go to last post
  19. SDO 171 and 304 images get brighter

    We've adjusted the settings on the AIA 171 ┼ (yellow) and 304 ┼ (orange) images - the Sun isn't getting brighter, the settings have been changed so...

    Started by SDO, 5th May 2015 20:20
    • Replies: 0
    • Views: 563
    5th May 2015 20:20 Go to last post
  20. Exclamation Solar pick: Bright filament eruption

    An elongated solar filament that extended almost half the Sun's visible hemisphere erupted into space (Apr. 28-29, 2015) in a large burst of bright...

    Started by SOHO, 1st May 2015 20:10
    • Replies: 1
    • Views: 619
    1st May 2015 22:37 Go to last post
  21. Happy 5th Birthday to SDO Science Data!

    Today is the 5th birthday of SDO Science Data. On May 1, 2010, SDO was commissioned as a NASA observatory and began sending science data to...

    Started by SDO, 1st May 2015 13:20
    • Replies: 0
    • Views: 338
    1st May 2015 13:20 Go to last post
  22. Spring Maneuvers and Beakman

    SDO has performed maneuvers the past two Wednesdays. The EVE cruciform on April 8 and the field of view rasters on April 15. Today SDO was...

    Started by SDO, 19th April 2015 19:40
    • Replies: 0
    • Views: 558
    19th April 2015 19:40 Go to last post
  23. SDO is Back in Science Mode

    SDO returned to science mode at 1534 UTC (11:34 a.m. ET). The high-gain antennas were configured for the remainder of day today through the high-gain...

    Started by SDO, 1st April 2015 19:40
    • Replies: 0
    • Views: 433
    1st April 2015 19:40 Go to last post
  24. SDO is Almost Back to Normal

    SDO is now pointing at the Sun with one high-gain antenna returning science data. The other high-gain antenna is pointing in the wrong direction and...

    Started by SDO, 1st April 2015 14:50
    • Replies: 0
    • Views: 404
    1st April 2015 14:50 Go to last post
  25. SDO Offline

    Last night at 0551 UTC (0152 a.m. ET), as SDO began the scheduled roll calibration maneuver, the ACS went into Sun-acquisition mode. SDO remains in...

    Started by SDO, 1st April 2015 10:40
    • Replies: 0
    • Views: 420
    1st April 2015 10:40 Go to last post
  26. Post STEREO going into "safe mode" on far side of Sun

    The IMPACT, PLASTIC, and SECCHI instruments on STEREO Ahead were turned off at 16:00 UT on Friday, 20 March 2015 in preparation for superior solar...

    Started by NASA, 25th March 2015 04:10
    • Replies: 0
    • Views: 566
    25th March 2015 04:10 Go to last post
  27. Data Delivery System in Maintenance Mode

    The SDO Data Delivery System (DDS) is the interface between the antennas that receive the SDO data and the science data centers. At this time we are...

    Started by SDO, 24th March 2015 20:10
    • Replies: 0
    • Views: 470
    24th March 2015 20:10 Go to last post
  28. Exclamation Solar pick: Source of st. Patrick's day aurora

    Most of the energy that generated the most powerful geomagnetic storm of this solar cycle on March 17-18, 2015 came from this fast-moving,...

    Started by SOHO, 24th March 2015 16:00
    • Replies: 0
    • Views: 452
    24th March 2015 16:00 Go to last post
  29. Exclamation Pick of the week: Total solar eclipse 2015

    On March 20, 2015 a solar eclipse raced across the northern Atlantic between Ireland and Iceland before hitting land... More...

    Started by SOHO, 23rd March 2015 20:50
    • Replies: 0
    • Views: 512
    23rd March 2015 20:50 Go to last post
  30. How Loud is the Sun?

    Tuesday morning was our last eclipse of the Spring 2015 eclipse season, so SDO is back to solar data 24/7. A recent post on reddit.com asked...

    Started by SDO, 18th March 2015 21:00
    • Replies: 0
    • Views: 666
    18th March 2015 21:00 Go to last post

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