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Map of the longitudinal photospheric magnetic fields (field component parallel to the line of sight). The field strength is indicated by the vertical bar on the left. White, positive polarity indicates field lines pointing towards the observer. The field of view is 90 "× 90", with a spatial resolution of about 0.5". The distance between tick marks is 1" (on the Sun about 730 Km or 456 mi).
Click on the image to have a "deeper" view of the magnetogram.