title: Mercury at greatest elongation west start: 2018-12-15 start time: 15:17 tags: Astronomie astronomy naked-eye sky links: Web link https://in-the-sky.org/news.php?id=20181215_11_100 description: Mercury is bright and well placed in the dawn sky. https://in-the-sky.org/news.php?id=20181215_11_100