Service resumed; geomagnetic storm predicted for Tuesday January 24th


As you will already know since you are reading this, Helioviewer Project services have now returned to nominal operations earlier than anticipated. Thanks to all those concerned for their work and for keeping the downtime to a minimum!

Just before our scheduled outage, many of our users caught sight of a flaring active region (videos below). Well, since then the Solar Weather Prediction Center

“has issued a Geomagnetic Storm Watch with G2 level storming likely and G3 level storming possible, with the storm continuing into Wednesday, Jan 25. All of this activity is related to a moderate (R2) Radio Blackout x-ray flare that erupted Sunday night (11pm EST).”

which the self-same flaring event spotted by our users. This is a developing story – please consult the Solar Weather Prediction Center for more updates on the progress of the storm. There is great animation of the predicted progress of the coronal mass ejection through interplanetary space as it comes towards Earth here. Geomagnetic storms are temporary disturbances in the Earth’s magnetic field; this one is predicted to be moderate, possibly strong. On average, there are a few of these every year; the good news is that if you haven’t noticed one before, you’re probably not going to notice this one.

I’ve included some videos of the flaring event below, made by Helioviewer users and shared with Helioviewer and YouTube users – thanks everyone!

YouTube user Idontwannastopat6

Nice close-up of the flare in SDO/AIA 304 ansgtrom from YouTube user 666redwater.

YouTube user 666redwater also made a zoomed-out video of this event using the SDO/AIA 131 filter. In this filter you see very different structures compared to SDO/AIA 304 and 171. There are a total of 10 filters of AIA, each of them telling us something different about the structure of the sun’s atmosphere.

YouTube users MeireRuiz7 and usog180 shared these wide-angle SDO/AIA 304 movies.

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  1. #1 by ck on January 24, 2012 - 12:36 am

    Still getting “connection refused” here. Is service out again? (5:35 pm MDT)

  2. #2 by Rob on January 24, 2012 - 2:53 am

    The JHelioviewer app doesn’t appear to be able to connect anymore. I tried from several different computers, all get a “Connection refused” error.

    Java spooge follows below. Funny, if I point my browser to the URL in the log, it works. Only the java app fails.

    Jan 23 21:47:14 gs-464-e13998 [0x0-0x6f06f].org.helioviewer.jhv[26205]: 2012-01-23 21:47:14,183 [LoadNewMovie] IN
    FO root – Connect to http://helioviewer.nascom.nasa.gov/api/index.php?action=getJPX&observatory=SDO&instrument=AIA&detector=AIA&measurement=171&startTime=2012-01-21T03:17:12Z&endTime=2012-01-22T03:17:12Z&cadence=1800&jpip=tru
    e&verbose=true&linked=true
    Jan 23 21:47:14 gs-464-e13998 [0x0-0x6f06f].org.helioviewer.jhv[26205]: 2012-01-23 21:47:14,541 [LoadNewMovie] ERROR root – An error occured while opening the remote file!
    Jan 23 21:47:14 gs-464-e13998 [0x0-0x6f06f].org.helioviewer.jhv[26205]: java.io.IOException: Error in the server
    communication:Error in the server communication:Jan 23 21:47:14 gs-464-e13998 [0x0-0x6f06f].org.helioviewer.jhv[26205]: Connection refused

  3. #3 by keith on January 24, 2012 - 12:10 pm

    Sorry about that- JHelioviewer should now be working again.

    • #4 by ck on January 25, 2012 - 9:49 pm

      Nope, still not working. Connection refused.

  4. #5 by ck on January 26, 2012 - 4:03 pm

    Just checked again and it is back up. Thanks to whoever fixed it! Just in time to see the sun on a cloudy day :-)

  5. #6 by Séan de Erio on January 28, 2012 - 10:06 am

    it is very big!

  6. #7 by Séan de Erio on January 28, 2012 - 10:06 am

    Séan de Erio :
    it is very big!

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