title: NGC 6633 is well placed start: 2018-06-28 start time: 23:59 tags: Astronomie astronomy binoculars sky links: Web link https://in-the-sky.org/news.php?id=20180628_16_100 description: The open star cluster NGC 6633 in Ophiuchus is well placed for observation. https://in-the-sky.org/news.php?id=20180628_16_100