Changes between Version 6 and Version 7 of PublicPages/MayallZbandLegacy/NotesforObservers/Problems
- Timestamp:
- Feb 5, 2016 4:48:41 AM (9 years ago)
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PublicPages/MayallZbandLegacy/NotesforObservers/Problems
v6 v7 65 65 - Create a focus script using the “Focus” button on the NGUI 66 66 This pops up the following window: 67 [[Image(NOCS_FOCUS.tiff, 400px)]]67 [[Image(NOCS_FOCUS.tiff, 600px)]] 68 68 - use a good guess for the mid-point: 69 69 focus in zd filter = -8400 + (1.4C - Ttruss)*110 70 an instrument focus step of -100 (or -70, if the seeing is good), 70 an instrument focus step of -100 (or -70, if the seeing is good) 71 71 72 at least 7 focus iterations and 73 72 74 a detector pixel shift of 30; 75 73 76 Make sure you have chosen the zd filter 74 77 - execute the focus sequence