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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: 3,351
    • Views: 620,245
    14th November 2019 07:59 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: 282,968
    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: 62,534
    30th September 2013 03:29 Go to last post
  1. SDO Lunar Transit, October 16, 2020

    Just two weeks ago the Full Moon and Mars had a bright conjunction in the night sky. Tomorrow the New Moon will glide between SDO and the Sun for a...

    Started by SDO, 15th October 2020 13:30
    • Replies: 0
    • Views: 294
    15th October 2020 13:30 Go to last post
  2. SDO Plans from October 2020 through February 2021

    The SDO Quarterly LongSet Predicts have been delivered. We have two lunar transits in the next three months. The highlights are listed below: 16...

    Started by SDO, 7th October 2020 18:50
    • Replies: 0
    • Views: 310
    7th October 2020 18:50 Go to last post
  3. Calibration Maneuvers Today

    SDO will execute the EVE Field of View (FOV) calibration maneuver starting at 1315 UTC (9:15 am ET). That will be followed by the HMI/AIA Flatfield...

    Started by SDO, 7th October 2020 13:10
    • Replies: 0
    • Views: 204
    7th October 2020 13:10 Go to last post
  4. Memories of the 21 August 2017 Total Solar Eclipse

    Three years ago a total solar eclipse passed over the continental United States, from Oregon to South Carolina. I spent the days before the eclipse...

    Started by SDO, 21st August 2020 14:50
    • Replies: 0
    • Views: 713
    21st August 2020 14:50 Go to last post
  5. Station Keeping Maneuver and Cool Video

    SDO performed a station keeping maneuver (SK #21), Wednesday at 2210 UT (6:10 pm ET). For about 15 minutes beofre and after the maneuver SDO science...

    Started by SDO, 14th August 2020 18:50
    • Replies: 0
    • Views: 453
    14th August 2020 18:50 Go to last post
  6. It's EVE Cruciform Maneuver Day!

    SDO is performing the EVE cruciform calibration manuever today, starting at 1130 UTC (7:30 am ET) and running for about 8 hours. During this maneuver...

    Started by SDO, 29th July 2020 16:09
    • Replies: 0
    • Views: 753
    29th July 2020 16:09 Go to last post
  7. Momentum Management Maneuver #38 Today

    SDO will execute momentum management maneuver (MM) #38 today starting at 1930 UTC (3:30 pm ET). The maneuver should take about 30 minutes. During a...

    Started by SDO, 15th July 2020 18:00
    • Replies: 0
    • Views: 944
    15th July 2020 18:00 Go to last post
  8. SDO Manuevers and Plans for July through September

    SDO will perform the following maneuvers during the next three months. During a maneuver science may be blurry or missing. Other important dates...

    Started by SDO, 30th June 2020 20:20
    • Replies: 0
    • Views: 867
    30th June 2020 20:20 Go to last post
  9. Momentum Management Maneuver #37 Today

    SDO will execute Momentum Management Maneuver #37 today at 1838 UTC (2:38 p.m. ET). From 1830 to 1930 (UTC) science data may be missing or blurred. ...

    Started by SDO, 15th April 2020 13:20
    • Replies: 1
    • Views: 1,547
    15th April 2020 23:19 Go to last post
  10. Hale’s Polarity Law in Solar Cycle 25

    The magnetic field of the Sun has several patterns and follows a few laws. Hale’s Polarity Law is one of those. It says that the leading and trailing...

    Started by SDO, 2nd April 2020 14:50
    • Replies: 1
    • Views: 1,197
    3rd April 2020 03:25 Go to last post
  11. Lunar Transit Last Night!

    Yesterday, from 6:00--8:33 pm, the Moon moved between SDO and the Sun. These lunar transits happen a few times each year. Here is the FOT movie of...

    Started by SDO, 24th February 2020 14:00
    • Replies: 0
    • Views: 1,436
    24th February 2020 14:00 Go to last post
  12. Happy Anniversary SDO!

    Ten years ago, 11 Feb 2010, SDO rose majestically into the Florida skies. Since that day we have taken and recorded over 350 million images of the...

    Started by SDO, 12th February 2020 00:50
    • Replies: 1
    • Views: 1,409
    12th February 2020 22:40 Go to last post
  13. Station Keeping Maneuver #20 Today

    SDO will execute Station Keeping Maneuver #20 today at 2230 UTC (5:30 p.m. ET). From 2200 to 2250 UTC (5:00-5:50 p.m. ET) science data may be missing...

    Started by SDO, 12th February 2020 22:30
    • Replies: 0
    • Views: 1,926
    12th February 2020 22:30 Go to last post
  14. Calibration Maneuvers Today

    Today from 1315-1915 UTC (8:15 am - 2:15 pm ET) SDO will perform the EVE Field of View and HMI/AIA Flatfield calibration maneuvers. Science data...

    Started by SDO, 8th January 2020 16:00
    • Replies: 0
    • Views: 1,559
    8th January 2020 16:00 Go to last post
  15. Happy Perihelion!

    On January 5, 2020, at 0547 UTC (2:47 am ET) the Earth reached perihelion in its orbit around the Sun. At that time the Earth was 147,091,144 km...

    Started by SDO, 6th January 2020 17:20
    • Replies: 0
    • Views: 1,475
    6th January 2020 17:20 Go to last post
  16. 200 Million Image from AIA

    In all the hype about the Mercury transit last Monday, we overlooked another milestone in the SDO mission. On November 5, 2019, the AIA instrument...

    Started by SDO, 17th November 2019 23:20
    • Replies: 0
    • Views: 2,103
    17th November 2019 23:20 Go to last post
  17. Extraordinary Pictures of the 2019 Mercury Transit

    Here are composite views of Monday's transit (top) and the transit in 2016 (bottom). They were produced by Monica Bobra at Stanford University. What...

    Started by SDO, 13th November 2019 19:50
    • Replies: 0
    • Views: 1,805
    13th November 2019 19:50 Go to last post
  18. Mercury Transit this Monday!

    We will see a transit of Mercury across the disk of the Sun on Monday, November 11, 2019. You can watch the transit using SDO data at...

    Started by SDO, 7th November 2019 17:10
    • Replies: 0
    • Views: 1,762
    7th November 2019 17:10 Go to last post
  19. Mercury transit, November 11, 2019

    Starting around 1200 UTC (7:00 am ET) November 11, 2019, we will begin watching Mercury move into view against the corona of the Sun. This is about...

    Started by SDO, 23rd October 2019 21:00
    • Replies: 1
    • Views: 2,171
    24th October 2019 14:57 Go to last post
  20. Testing of AIA Today, 1800-1900 UTC

    Today from 1800-1900 UTC (2-3 pm ET), AIA will record some test images. This will exercise the ability to command AIA to produce partial (cropped)...

    Started by SDO, 23rd October 2019 16:20
    • Replies: 0
    • Views: 3,101
    23rd October 2019 16:20 Go to last post
  21. Calibration Maneuvers on October 9, 2019

    SDO executed the EVE Field of View and HMI Flatfield calibration maneuvers on October 9, 2019. During these maneuvers the science data may be blurry...

    Started by SDO, 23rd October 2019 14:20
    • Replies: 0
    • Views: 2,201
    23rd October 2019 14:20 Go to last post
  22. Website Outage - 2019-10-11

    Today, October 11, 2019, there will be a brief website outage due to maintenance. The start time for this outage is approximately 12 noon. We are...

    Started by SDO, 11th October 2019 15:21
    • Replies: 0
    • Views: 2,194
    11th October 2019 15:21 Go to last post
  23. Lunar Transit on September 28, 2019

    SDO will experience a lunar transit on September 28, 2019. Here is a movie from the Flight Operations Team that shows SDO, the Sun, and the Moon...

    Started by SDO, 13th September 2019 19:20
    • Replies: 0
    • Views: 3,335
    13th September 2019 19:20 Go to last post
  24. Staiton Keeping Maneuver #19 Today

    SDO will execute Station Keeping Maneuver #19 today at 2222 UTC (6:22 p.m. ET). From 2200 to 2245 UTC (6:00-6:45 p.m. ET) science data may be missing...

    Started by SDO, 28th August 2019 18:50
    • Replies: 0
    • Views: 2,283
    28th August 2019 18:50 Go to last post
  25. Momentum Management Maneuver #35 Today

    SDO will execute Momentum Management Maneuver #35 today at 1911 UTC (3:11 p. ET). From 1830 to 1930 (UTC) science data may be missing or blurred. ...

    Started by SDO, 14th August 2019 18:50
    • Replies: 0
    • Views: 2,271
    14th August 2019 18:50 Go to last post
  26. Today's Maneuver is the EVE Cruciform

    SDO is executing the EVE Cruciform calibration maneuver today. Between 1100 and 1600 UTC (7:00 am--12 noon ET), science data and images may be blurry...

    Started by SDO, 24th July 2019 15:50
    • Replies: 3
    • Views: 2,698
    24th July 2019 19:39 Go to last post
  27. Today's Maneuver and Website Upgrade

    Today between 1500 and 2200 UTC (11:00 am-6 pm ET) SDO will execute the HMI roll maneuver. During this maneuver science may be missing or blurry. ...

    Started by SDO, 17th July 2019 16:10
    • Replies: 0
    • Views: 2,253
    17th July 2019 16:10 Go to last post
  28. Today's Maneuver

    SDO is running the EVE Field of View and HMI/AIA Flatfield maneuvers today. During these maneuvers the science data may be blurry or absent. ...

    Started by SDO, 3rd July 2019 21:10
    • Replies: 0
    • Views: 2,308
    3rd July 2019 21:10 Go to last post
  29. New Features on Website

    The SDO website (sdo.gsfc.nasa.gov) has two new features. If you follow the "Sun Now" link to https://sdo.gsfc.nasa.gov/data/, you will see two new...

    Started by SDO, 3rd July 2019 19:00
    • Replies: 0
    • Views: 2,238
    3rd July 2019 19:00 Go to last post
  30. Happy Summer Solstice and Congratulations to Phil Scherrer!

    Today at 1554 UTC (11:54 a.m. ET) the Sun reached its most northerly point in the year. As a result, we have the most daylight hours in the northern...

    Started by SDO, 21st June 2019 21:30
    • Replies: 2
    • Views: 2,609
    22nd June 2019 01:15 Go to last post

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