Tantalizing EIT picture from SOHO

From the EIT instrument onboard the space-based SOHO observatory, the tantalizing picture is a false-colour composite of three images all made in extreme ultraviolet light. Each individual image highlights a different temperature regime in the upper solar atmosphere and was assigned a specific colour; red at 2 million, green at 1.5 million, and blue at 1 million degrees C. The combined image shows bright active regions strewn across the solar disk, which would otherwise appear as dark groups of sunspots in visible light images, along with some magnificent plasma loops and an immense prominence at the right-hand solar limb. The images used in the above composite were taken on 29 May 1998.

Credits: SOHO/ESA & NASA ; Astronomy Picture Of the Day (APOD - 21 June 2000)

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