title: Asteroid 20 Massalia at opposition start: 2019-05-21 start time: 02:24 tags: Astronomie astronomy four-inch-telescope sky links: Web-Link https://in-the-sky.org/news.php?id=20190521_14_100 description: Asteroid 20 Massalia is well placed for observation. https://in-the-sky.org/news.php?id=20190521_14_100