{"action":"opened","issue":{"url":"https://api.github.com/repos/jradavenport/pyDIS/issues/5","labels_url":"https://api.github.com/repos/jradavenport/pyDIS/issues/5/labels{/name}","comments_url":"https://api.github.com/repos/jradavenport/pyDIS/issues/5/comments","events_url":"https://api.github.com/repos/jradavenport/pyDIS/issues/5/events","html_url":"https://github.com/jradavenport/pyDIS/issues/5","id":59605964,"number":5,"title":"sky subtraction routine","user":{"login":"jradavenport","id":3179868,"avatar_url":"https://avatars.githubusercontent.com/u/3179868?v=3","gravatar_id":"","url":"https://api.github.com/users/jradavenport","html_url":"https://github.com/jradavenport","followers_url":"https://api.github.com/users/jradavenport/followers","following_url":"https://api.github.com/users/jradavenport/following{/other_user}","gists_url":"https://api.github.com/users/jradavenport/gists{/gist_id}","starred_url":"https://api.github.com/users/jradavenport/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jradavenport/subscriptions","organizations_url":"https://api.github.com/users/jradavenport/orgs","repos_url":"https://api.github.com/users/jradavenport/repos","events_url":"https://api.github.com/users/jradavenport/events{/privacy}","received_events_url":"https://api.github.com/users/jradavenport/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-03-03T07:38:28Z","updated_at":"2015-03-03T07:38:28Z","closed_at":null,"body":"simple mode: \r\n\r\n- assume no tilt of wavelength solution within the trace\r\n- using windows above/below trace \r\n- fit 2d polynomial and subtract\r\n- do for each pixel in trace\r\n\r\ncomplex mode:\r\n\r\n- all the same as above, but using wavelength HeNeAr mapping\r\n- do subtraction (and later extraction) using steps in wavelength space...\r\n- probably going to want to copy/mimic original IRAF code for this to do it \"right\""}}