Yohkoh detected the X-rays produced by the Sun's hot outer atmosphere. During most of 1992, Yohkoh also made visible (or "white light") images of the Sun. The images listed below are in the GIF format. They are about 262 kilobytes each; image resolution is 512 pixels by 512 pixels.
The white-light images are stamped with the date and
time of the observation; the date stamps have been left off of the X-ray
images. Use what you have learned about magnetic
active regions to match the X-ray pictures with the respective
simultaneous white-light images. (This activity may be more
manageable if you print out all the images on individual pages, and then
try to match them up. Alternatively, you can save some paper by printing
out just the X-ray pictures and comparing them to the white-light images
on screen.) The images have been further divided into four sets,
I, II, III, and IV.
| White Light (with Date Stamp) 1992 January 23 1992 February 07 1992 April 22 1992 May 22 1992 October 05 |
(no Date Stamp) G I N P U |
| White Light (with Date Stamp) 1992 February 22 1992 March 08 1992 March 23 1992 September 19 1992 October 19 |
(no Date Stamp) A B F H R |
| White Light (with Date Stamp) 1992 April 07 1992 May 07 1992 July 21 1992 September 04 1992 November 03 |
(no Date Stamp) C L M O Q |
| White Light (with Date Stamp) 1992 June 06 1992 June 21 1992 July 06 1992 August 05 1992 August 20 |
(no Date Stamp) D E J K S |
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