Changes between Version 65 and Version 66 of PublicPages/MayallZbandLegacy/NotesforObservers

Timestamp:

Feb 6, 2016 12:17:08 AM (9 years ago)

Author:

David Schlegel

Comment:

--

PublicPages/MayallZbandLegacy/NotesforObservers

@@ -225 +225 @@
 
 Monitor focus by checking the image quality on each frame. Keep track of the truss temperature variation and modify 
-the focus as needed. The Mayall has astigmatism, so one can tell from the shape of the images which way to move the focus. 
+the focus as needed. The Mayall has astigmatism, so one can tell from the shape of the images which way to move the focus.
+To stop and do a focus sequence:
+- Create a file to tell obsbot to quit
+{{{
+   touch ~/exec/quit
+}}}
+- Wait for the current exposure to complete (at which point the above file is automatically removed)
+- Run a focus sequence (DESCRIBE THIS)
+- Re-start the observing as described above
 
 **[wiki:MayallZbandLegacy/NotesforObservers/FocusInfo Example of a focus sequence]
-
-If conditions change compared to assumptions for the script, re-run strategy. 
 
 Keep an eye on the CCD and dewar temps (should be around 173C and 90C respectively)