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chara:coude_alignment_procedure [2021/06/02 19:09]
gail_stargazer 		chara:coude_alignment_procedure [2024/05/07 01:56]
charaobs [Coude Alignment Procedure]
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 ===== Coude Alignment Procedure ===== ===== Coude Alignment Procedure =====
  
-Written by Judit Sturmann on 2021 June 1.+Udated 2024 May 6 
 + 
 +<font inherit/Calibri,sans-serif;;blackfont-family:Calibri,sans-serif;;;inherit>Coude alignments help keep the blue beacon from drifting during slews. Needed when drift is excessive and makes realigning difficult when on sky.</font> 
 + 
 +<font inherit/Calibri,sans-serif;;blackfont-family:Calibri,sans-serif;;;inherit></font> 
 + 
 +<font inherit/Times New Roman;;inherit;;inherit>1.</font><font inherit/Calibri,sans-serif;;blackfont-family:Calibri,sans-serif;;;inherit>Start with an M10 alignment before beginning the coude process.</font> 
 + 
 +<font inherit/Times New Roman;;inherit;;inherit>a.</font><font inherit/Calibri,sans-serif;;blackfont-family:Calibri,sans-serif;;;inherit>Usually done on pop 5</font> 
 + 
 +<font inherit/Times New Roman;;inherit;;inherit>2.</font><font inherit/Calibri,sans-serif;;blackfont-family:Calibri,sans-serif;;;inherit>Send M7’s to default</font> 
 + 
 +<font inherit/Times New Roman;;inherit;;inherit>3.</font><font inherit/Calibri,sans-serif;;blackfont-family:Calibri,sans-serif;;;inherit>Do regular beginning of the night alignment procedure.</font> 
 + 
 +<font inherit/Times New Roman;;inherit;;inherit>a.</font><font inherit/Calibri,sans-serif;;blackfont-family:Calibri,sans-serif;;;inherit>Align beacon, dichroic, focus labao, focus wfs</font> 
 + 
 +<font inherit/Times New Roman;;inherit;;inherit>4.</font><font inherit/Calibri,sans-serif;;blackfont-family:Calibri,sans-serif;;;inherit>Open an engineering hut gui</font> 
 + 
 +<font inherit/Times New Roman;;inherit;;inherit>a.</font><font inherit/Calibri,sans-serif;;blackfont-family:Calibri,sans-serif;;;inherit>Ex. hutgtk -E S1 &</font> 
 + 
 +<font inherit/Times New Roman;;inherit;;inherit>b.</font><font inherit/Calibri,sans-serif;;blackfont-family:Calibri,sans-serif;;;inherit>AOB ENG tab</font> 
 + 
 +<font inherit/Times New Roman;;inherit;;inherit></font>i. <font inherit/Calibri,sans-serif;;blackfont-family:Calibri,sans-serif;;;inherit>Note M7_1 and M7_2 positions and enter on excel page</font> 
 + 
 +<font inherit/Times New Roman;;inherit;;inherit></font>ii. <font inherit/Calibri,sans-serif;;blackfont-family:Calibri,sans-serif;;;inherit>Select and hit **[GET]**</font> 
 + 
 +<font inherit/Times New Roman;;inherit;;inherit></font>iii. <font inherit/Calibri,sans-serif;;blackfont-family:Calibri,sans-serif;;;inherit>Value reads below Get.</font> 
 + 
 +<font inherit/Times New Roman;;inherit;;inherit></font>iv. <font inherit/Calibri,sans-serif;;blackfont-family:Calibri,sans-serif;;;inherit>Values should match last entry on excel</font> 
 + 
 +<font inherit/Times New Roman;;inherit;;inherit>5.</font><font inherit/Calibri,sans-serif;;blackfont-family:Calibri,sans-serif;;;inherit>Turn powers on and enable scope(s)</font> 
 + 
 +<font inherit/Times New Roman;;inherit;;inherit>6.</font><font inherit/Calibri,sans-serif;;blackfont-family:Calibri,sans-serif;;;inherit>Dome gui, Auto tab</font> 
 + 
 +<font inherit/Times New Roman;;inherit;;inherit>a.</font><font inherit/Calibri,sans-serif;;blackfont-family:Calibri,sans-serif;;;inherit>On Az Pos enter stow position + 180</font> 
 + 
 +<font inherit/Times New Roman;;inherit;;inherit>b.</font>**<font inherit/Calibri,sans-serif;;blackfont-family:Calibri,sans-serif;;;inherit>[Set Pos]</font>**<font inherit/Calibri,sans-serif;;blackfont-family:Calibri,sans-serif;;;inherit></font> 
 + 
 +<font inherit/Times New Roman;;inherit;;inherit>7.</font><font inherit/Calibri,sans-serif;;blackfont-family:Calibri,sans-serif;;;inherit>Watch beacon spots and use M7 to keep them centered while it rotates 180 degrees.</font> 
 + 
 +<font inherit/Times New Roman;;inherit;;inherit>8.</font><font inherit/Calibri,sans-serif;;blackfont-family:Calibri,sans-serif;;;inherit>Obsgtk, align M7 when it stops moving</font> 
 + 
 +<font inherit/Times New Roman;;inherit;;inherit>9.</font><font inherit/Calibri,sans-serif;;blackfont-family:Calibri,sans-serif;;;inherit>Hut gui, enter new M7_1 and  M_2 values in excel.</font> 
 + 
 +<font inherit/Times New Roman;;inherit;;inherit>a.</font><font inherit/Calibri,sans-serif;;blackfont-family:Calibri,sans-serif;;;inherit>Ignore last 3 digits, record first 4</font> 
 + 
 +<font inherit/Times New Roman;;inherit;;inherit>b.</font><font inherit/Calibri,sans-serif;;blackfont-family:Calibri,sans-serif;;;inherit>Spreadsheet will calculate the average value</font> 
 + 
 +<font inherit/Times New Roman;;inherit;;inherit>c.</font><font inherit/Calibri,sans-serif;;blackfont-family:Calibri,sans-serif;;;inherit>Enter the average value + 3 zeros for M7_1 and hit **[GOTO]**. Do the same for M7_2.</font> 
 + 
 +<font inherit/Times New Roman;;inherit;;inherit>d.</font><font inherit/Calibri,sans-serif;;blackfont-family:Calibri,sans-serif;;;inherit>If its a large move watch the beacon spots as they move away because you will need to recenter them</font> 
 + 
 +<font inherit/Times New Roman;;inherit;;inherit>10.</font><font inherit/Calibri,sans-serif;;blackfont-family:Calibri,sans-serif;;;inherit>Use the dichroic to realign the beacon to labao</font> 
 + 
 +<font inherit/Arial,Helvetica,sans-serif;;inherit;;inherit>11. Dome gui,</font> <font inherit/Calibri,sans-serif;;blackfont-family:Calibri,sans-serif;;;inherit>hit **[STOW]** to return to stow positon</font> 
 + 
 +<font inherit/Times New Roman;;inherit;;inherit>12.</font><font inherit/Calibri,sans-serif;;blackfont-family:Calibri,sans-serif;;;inherit>The beacon movement should be much smaller returning to stow than it was going away from stow</font> 
 + 
 +<font inherit/Times New Roman;;inherit;;inherit>13.</font><font inherit/Calibri,sans-serif;;blackfont-family:Calibri,sans-serif;;;inherit>Align M7</font> 
 + 
 +<font inherit/Times New Roman;;inherit;;inherit>14.</font><font inherit/Calibri,sans-serif;;blackfont-family:Calibri,sans-serif;;;inherit>Enter new actuator positions into excel</font> 
 + 
 +<font inherit/Times New Roman;;inherit;;inherit>15.</font><font inherit/Calibri,sans-serif;;blackfont-family:Calibri,sans-serif;;;inherit>Hut gui, send both actuators to the new calculated position</font> 
 + 
 +<font inherit/Times New Roman;;inherit;;inherit>16.</font><font inherit/Calibri,sans-serif;;blackfont-family:Calibri,sans-serif;;;inherit>Align dichroic</font> 
 + 
 +<font inherit/Times New Roman;;inherit;;inherit>17.</font><font inherit/Calibri,sans-serif;;blackfont-family:Calibri,sans-serif;;;inherit>If the beacon movements were small on the way back to stow, then the coude alignment is finished. If it wasn’t, repeat until it is.</font> 
 + 
 +<font inherit/Times New Roman;;inherit;;inherit>18.</font><font inherit/Calibri,sans-serif;;blackfont-family:Calibri,sans-serif;;;inherit>Hut gui, save the new M7 dichroic positions by hitting the** [DICHR POS]** then** [WRITE CFG] **</font> 
 + 
 +<font inherit/Times New Roman;;inherit;;inherit>a.</font><font inherit/Calibri,sans-serif;;blackfont-family:Calibri,sans-serif;;;inherit>It will save them to /ctrscrut/chara/etc/S2_aob.cfg</font> 
 + 
 +<font inherit/Times New Roman;;inherit;;inherit>19.</font><font inherit/Calibri,sans-serif;;blackfont-family:Calibri,sans-serif;;;inherit>Can enter any notes on why coude alignment was needed on excel sheet.</font> 
  
 ==== Preparation ==== ==== Preparation ====
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 As of 6/1/2021 only E2 has the new cones. As of 6/1/2021 only E2 has the new cones.
 +
  
 ==== M7 adjustment based on laser in AQUISITION camera ==== ==== M7 adjustment based on laser in AQUISITION camera ====
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   * 2021Jun01 - Document written by Judit Sturmann.   * 2021Jun01 - Document written by Judit Sturmann.
   * 2021Jun02 - Gail Schaefer added to wiki page.   * 2021Jun02 - Gail Schaefer added to wiki page.
-  * 2021Jun02 - Removed link for [[https://docs.google.com/document/d/1UY5C8Pkbi_yd448aF_TXXE9KFkwjd5VK3LALvkFahjQ/edit|old Coude alignment procedure]] (googledoc created ). +  * 2021Jun02 - Removed link for [[https://docs.google.com/document/d/1UY5C8Pkbi_yd448aF_TXXE9KFkwjd5VK3LALvkFahjQ/edit|old Coude Alignments]] (googledoc in 2019). 
-  * 2021Jun02 - Remove link for [[:chara:azimuth_coude_alignments|old Azimuth Coude Alignments]] (wiki page created 2018).+  * 2021Jun02 - Remove link for [[:chara:azimuth_coude_alignments|old Azimuth Coude Alignments]] (wiki page created in 2018).
  
  
chara/coude_alignment_procedure.txt · Last modified: 2024/05/07 19:53 by charaobs

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