Add images of the Sun

Instructions

  1. Visit SOHO website to find images of the Sun.
  2. There are several format types:
    • sunspots_1024_20071206.jpg
    • sunspots_512_20120321.jpg
    "_1024" and "_512" represent the resolution of the image. It's better to choose images with bigger resolution - "1024".
  3. Select images to download by right-click on the image name and selecting "Save link as.." or "save image as.."
  4. Make sure you can open images from your device.
  5. Click the green "Browse" button at the top of this webpage to start measurements.

You're welcome to use another resourses like ASSA at ISWA. The image might be not in 1:1 ratio in the preview, however it should be proportional when you download it as a file.

Uncheck this checkbox to disable correction for the Earth motion around the Sun.
The correction is enabled by default. Uncheck only if you are absolutely sure.