Sunspots NOAA 486 and NOAA 484, October 24th, 2003
About this image
Sunspots NOAA 486 and NOAA 484, October 24th, 2003, shown side by side with magnetic intensity values labelled.
The total magnetic field, in gauss, was based on Zeeman splitting of Fe 15648, at the temperature minima position (darkest place) in the sunspot umbrae. 24th October 2003 at McMath-Pierce facility, Kitt Peak. Polarities courtesy Mt. Wilson. Picture by Dr Bill Livingston.
More: solar page.
Minimum credit line: Bill Livingston/NSO/AURA/NSF
353 x 200 15 kb color JPEG (on this page)
706 x 400 56 kb color JPEG
1807 x 1024 283 kb color JPEG
3600 x 2040 865 kb color JPEG
3600 x 2040 41.00 Mb 24-bit color TIFF
(see NOAO Conditions of Use)
Comments by e-mail to firstname.lastname@example.org