What is happening with solar observing instruments right now?!
While trying to access SOHO’s coronograph data we noticed that the latest LASCO C2 image is updated on August 18 at 13:36 and LASCO C3 at 13:30. Also, SOHO’s EIT 304 latest image is from August 17 at 13:19, EIT 195 is from August 16 at 13:13 while EIT 171 and 284 show no data.
Latest SOHO's LASCO C2 and LASCO C3 images
We checked up “keyhole” schedule but it is scheduled for September, not August.
Latest SOHO's EIT 304 image
Then, we start to look at SDO images but we came across similar problem. AIA and HMI images are not updated. Latest AIA image is from August 18 at 06:00 UTC as well as HMI. But this time we knew the “reason”. It looks like air conditioning at Stanford University stopped at early hours on August 18. SDO twitted and announced on their website that HMI and AIA images will not be available until the problem is solved, possibly Monday. They stated that science data is unaffected but they don’t have access to the computer drives that hold the images. Yeah, right…
Latest SDO's AIA and HMI images
No A.C. at Stanford, HMI & AIA Images Not Available
Sat, 18 Aug 2012
Late last night the air conditioning at Stanford University stopped. HMI & AIA images will not be available until the problem is solved, possibly Monday. The science data is unaffected, but we do not have access to the computer drives that hold the images.
Latest STEREO Ahead COR2 and Behind COR 2 images
STEREO Ahead and Behind EUVI, COR1 and COR 2 images were last updated on August 19 at 06:06 UTC. But then something got weird. Looking at STEREO Behind HI images we saw some kind of errors. Nothing like we saw before.
Strange errors on latest images by STEREO's Behind Heliospheric Images (HI)
Then more errors. PROBA2 SWAP 174 data (at 13:45 UTC on August 19) and MLSO Mk4.
Strange error on SWAP2 image
MLSO Mk4 Korona image error
We looked at EVE imagery and found some black object left from the Sun. Kind of puzzled?!
Strange black object spotted on EVE images (circled in yellow)
Then all from the sudden we noticed strange light trails ahead of Sun – EVE and GOES 15
Well, something is going on with our sun observing instruments and we would like to get some answers.
If you are interested as well, stay tuned with us and come back for more updates!
THIS STORY WILL BE UPDATED so come back if you want to know more
UPDATE 1:
It looks like SOHO LASCO coronographs are back again.
New message from SDO: Chilled water is still off at Stanford and HMI and AIA images remain unavailable. Best estimate is they will be available Monday afternoon.
CHECK IT FOR YOURSELF: STEREO, SDO, SOHO, MLSO (HAO/NCAR), SIDC
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What is happening with solar observing instruments right now?!
2012-08-19 14:06:03
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