{"action":"created","issue":{"url":"https://api.github.com/repos/astropy/astroplan/issues/132","repository_url":"https://api.github.com/repos/astropy/astroplan","labels_url":"https://api.github.com/repos/astropy/astroplan/issues/132/labels{/name}","comments_url":"https://api.github.com/repos/astropy/astroplan/issues/132/comments","events_url":"https://api.github.com/repos/astropy/astroplan/issues/132/events","html_url":"https://github.com/astropy/astroplan/issues/132","id":113869318,"number":132,"title":"IERS_A warning after downloading bulletin","user":{"login":"tobyrsmith","id":5491158,"avatar_url":"https://avatars.githubusercontent.com/u/5491158?v=3","gravatar_id":"","url":"https://api.github.com/users/tobyrsmith","html_url":"https://github.com/tobyrsmith","followers_url":"https://api.github.com/users/tobyrsmith/followers","following_url":"https://api.github.com/users/tobyrsmith/following{/other_user}","gists_url":"https://api.github.com/users/tobyrsmith/gists{/gist_id}","starred_url":"https://api.github.com/users/tobyrsmith/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/tobyrsmith/subscriptions","organizations_url":"https://api.github.com/users/tobyrsmith/orgs","repos_url":"https://api.github.com/users/tobyrsmith/repos","events_url":"https://api.github.com/users/tobyrsmith/events{/privacy}","received_events_url":"https://api.github.com/users/tobyrsmith/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/astropy/astroplan/labels/bug","name":"bug","color":"fc2929"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":8,"created_at":"2015-10-28T17:03:53Z","updated_at":"2016-06-13T01:16:10Z","closed_at":null,"body":"Talked with @bmorris3 about this issue, said I should post this.\r\n```\r\nIn [1]: from astropy.time import Time\r\n\r\nIn [2]: import astropy.units as u\r\n\r\nIn [3]: from astroplan import Observer\r\n\r\nIn [4]: from astroplan import download_IERS_A\r\n\r\nIn [5]: download_IERS_A()\r\nDownloading http://maia.usno.navy.mil/ser7/finals2000A.all\r\n|==================================================================================| 3.0M/3.0M (100.00%)         6s\r\n\r\nIn [6]: now = Time(\"2016-10-28 00:00:00\", format='iso')\r\n\r\nIn [7]: astrolab = Observer(longitude = -122.3115 *u.deg,\r\n                    latitude = 47.65371*u.deg,\r\n                    elevation = 63.4*u.m,\r\n                    name = \"Astrolab\"\r\n                    )\r\n\r\nIn [8]: sunset = astrolab.sun_set_time(now, which='nearest')\r\nWARNING: Tried to get polar motions for times after IERS data is valid. Defaulting to polar motion from the 50-yr mean for those.\r\nIf you need enough precision such that this matters (~<10 arcsec), you can\r\ndownload the latest IERS predictions by running:\r\n\r\n    >>> from astropy.utils.data import download_file\r\n    >>> from astropy.utils import iers\r\n    >>> iers.IERS.iers_table = iers.IERS_A.open(download_file(iers.IERS_A_URL, cache=True))\r\n\r\n [astropy.coordinates.builtin_frames.utils]\r\nWARNING: (some) times are outside of range covered by IERS table. Assuming UT1-UTC=0 for coordinate transformations.\r\nIf you need enough precision such that this matters (~<10 arcsec), you can\r\ndownload the latest IERS predictions by running:\r\n\r\n    >>> from astropy.utils.data import download_file\r\n    >>> from astropy.utils import iers\r\n    >>> iers.IERS.iers_table = iers.IERS_A.open(download_file(iers.IERS_A_URL, cache=True))\r\n\r\n [astropy.coordinates.builtin_frames.utils]\r\n```"},"comment":{"url":"https://api.github.com/repos/astropy/astroplan/issues/comments/225471962","html_url":"https://github.com/astropy/astroplan/issues/132#issuecomment-225471962","issue_url":"https://api.github.com/repos/astropy/astroplan/issues/132","id":225471962,"user":{"login":"bmorris3","id":3497584,"avatar_url":"https://avatars.githubusercontent.com/u/3497584?v=3","gravatar_id":"","url":"https://api.github.com/users/bmorris3","html_url":"https://github.com/bmorris3","followers_url":"https://api.github.com/users/bmorris3/followers","following_url":"https://api.github.com/users/bmorris3/following{/other_user}","gists_url":"https://api.github.com/users/bmorris3/gists{/gist_id}","starred_url":"https://api.github.com/users/bmorris3/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/bmorris3/subscriptions","organizations_url":"https://api.github.com/users/bmorris3/orgs","repos_url":"https://api.github.com/users/bmorris3/repos","events_url":"https://api.github.com/users/bmorris3/events{/privacy}","received_events_url":"https://api.github.com/users/bmorris3/received_events","type":"User","site_admin":false},"created_at":"2016-06-13T01:16:09Z","updated_at":"2016-06-13T01:16:09Z","body":"Pinging @eteq for clarification on the above question."}}
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