Bakeout #. Start date. End date. Duration Comments Commissioning. 11/20/15 11/24/15. N/A Bakeout heaters commissioning, CCD temperatures to -13 oC. 1 2/23/16 2/26/16 66 hrs CCD temperature to +34 oC. 2 8/8/17 8/10/17 46 hrs CCD temperature to +34 oC, shorter bakeout than the first as the purpose was to test the new on-board software for bakeout handling. 3 1/17/18 1/21/18 88 hrs + 14 mins CCD temperature to +34 oC, bakeout was halted 24 hours earlier than planned, subsequently EIS off from 21 Jan 2018 to 21 May 2018.