Skylog: Heliosphere

Category: SWIFT

SWIFT images M31 Andromeda Galaxy for 24 hours in ultraviolet

by on September 17 2009 03:12
Between May 25 and July 26, 2008, Swift's Ultraviolet/Optical Telescope (UVOT) acquired 330 images of M31 at wavelengths of 192.8, 224.6, and 260 nanometers. The images represent a total exposure time of 24 hours.

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