M51:涡状星系

2022年9月2日 M51: The Whirlpool Galaxy Image Credit & Copyright: Fabian Neyer Explanation: Find the Big Dipper and follow the handle away from the dipper’s bowl until you get to the last bright star. Then, just slide your telescope a little south and west and you’ll come upon this stunning pair of interacting galaxies, the 51st entry in Charles...