Paul Price added a comment - 14/Jul/18 7:18 AM Yusra AlSayyad , would you approve this simple change? price@pap-laptop:~/LSST/obs_subaru (tickets/DM-15093=) $ git sub-patch commit 248fab93c4b277f8942146a5b9500543c5f24e03 (HEAD -> tickets/DM-15093, origin/tickets/DM-15093) Author: Paul Price <price@astro.princeton.edu> Date: Sat Jul 14 10:15:33 2018 -0400   yStrayLight: disable correction after 2018-01-01 The LEDs causing the stray light were covered up at this date, and we believe there is no remaining stray light.   diff --git a/python/lsst/obs/subaru/strayLight/yStrayLight.py b/python/lsst/obs/subaru/strayLight/yStrayLight.py index 7f058c1..2822c5a 100644 --- a/python/lsst/obs/subaru/strayLight/yStrayLight.py +++ b/python/lsst/obs/subaru/strayLight/yStrayLight.py @@ -19,6 +19,7 @@ from __future__ import absolute_import, division, print_function __all__ = ["StrayLightTask"] import os +import datetime import numpy from astropy.io import fits @@ -83,13 +84,10 @@ class StrayLightTask(Task): if sensorRef.dataId["ccd"] in range(104, 112): # No correction data: assume it's zero return - - # The LEDs that are causing the Y straylight have not been covered yet (on 2017-11-27), - # but they will be covered in the near future. - # Once the LEDs are covered, we will have to uncomment the following statement: - # - # if (ccdExposure is newer than a certain date): - # return + if exposure.getInfo().getVisitInfo().getDate().toPython() >= datetime.datetime(2018, 1, 1): + # LEDs causing the stray light have been covered up. + # We believe there is no remaining stray light. + return header = sensorRef.get('raw_md') if self.config.doRotatorAngleCorrection: