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chara:discussion_of_alignment_procedures [2024/04/18 07:32]
denis 		chara:discussion_of_alignment_procedures [2024/04/23 08:20] (current)
denis [Current Alignment Sequence]
Line 54: Line 54:
   * If coma and astigmatism high, create sky flat on bright star - Turn off **[DM]**, **[SV FLT]**, **[FLATEN]**, then relock the **[DM]**.   * If coma and astigmatism high, create sky flat on bright star - Turn off **[DM]**, **[SV FLT]**, **[FLATEN]**, then relock the **[DM]**.
   * For IR combiners, move beacon flat to align star to STST.   * For IR combiners, move beacon flat to align star to STST.
-  * For SPICA, move beacon flat to align star on SPICA FTT. <font inherit/inherit;;#16a085;;inherit>(denis: if the combined method BF+M7 is validated, this should be use here also with the correct rotation matrix from IPDET to BF -- implementation in progress)</font>  * Star Acquired. +  * For SPICA, move beacon flat to align star on SPICA FTT. <font inherit/inherit;;#16a085;;inherit>(denis: we validated the combined method BF+M7 on E1 on April 23 and it did excellent worj, permitting to use the Right/Left,Up/Down axes of the IPDET to put the star in the FTT boxes.)</font>* Star Acquired. 
-  * <font inherit/inherit;;#1abc9c;;inherit>(denis: when FTT is locked turn on the offload to keep the alignment during tracking ==> good for FTT and good for Alignment. This has been successfully implemented in April 2024)</font>  * When slewing to the next star, DO NOT send M7 to default. If next star is bright, then align beacon flat to center star on STST/SPICA FTT. If star is faint, keep beacon flat fixed or align beacon flat to center red beacon in offset beacon boxes on TelWFS.+  * <font inherit/inherit;;#1abc9c;;inherit>(denis: when FTT is locked turn on the offload to keep the alignment during tracking =⇒ good for FTT and good for Alignment. This has been successfully implemented in April 2024)</font>* When slewing to the next star, DO NOT send M7 to default. If next star is bright, then align beacon flat to center star on STST/SPICA FTT. If star is faint, keep beacon flat fixed or align beacon flat to center red beacon in offset beacon boxes on TelWFS. 
  
 ==== Proposed Revisions to Current Alignment Sequence ==== ==== Proposed Revisions to Current Alignment Sequence ====
chara/discussion_of_alignment_procedures.txt · Last modified: 2024/04/23 08:20 by denis

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