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Deep Space Objects - January 2021The Andromeda Galaxy - M31The Andromeda Galaxy is the largest of approx. 20 galaxies (including our own Milky Way galaxy) which make up the 'Local Group'. Latest observations by the Spitzer Space Telescope revealed that M31 contains one trillion stars, greatly exceeding the number of stars in our own galaxy. M31 is best seen from September through to Jaunary. You should easily spot M31 with binoculars and, if there is a dark sky, you can even see it with your unaided eye. To locate M31, find the square of Pegasus. Start at the top left star of the square - Alpha Andromedae - and move two stars to the left and up a bit. Then turn 90 degrees to the right, move up to one resonably bright star and continue a similar distance again in the same direction. Or by following the "arrow" made by the three rightmost bright stars of Cassiopeia down to the lower right. The Pleiades - M45
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Weymouth Astronomy Estab 2006 |