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public:catalinas:lemmon:phillips_24:focus_positions [2023/08/24 11:27]
tdeyoe created 		public:catalinas:lemmon:phillips_24:focus_positions [2024/09/20 17:07] (current)
tdeyoe [Focus Position]
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-======Focus Positions and Mounting======+======Balance and Focus Positions======
  
 In this document will be the current focus positions and configurations for cameras and eyepieces on the Phillips Telescope. In this document will be the current focus positions and configurations for cameras and eyepieces on the Phillips Telescope.
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 ====Mounting==== ====Mounting====
 Our camera and eyepiece focuser are mounted directly to the telescope rotator and fastened with 4 thumb screws. These screws should be placed ever 3 positions along the bracket. Our camera and eyepiece focuser are mounted directly to the telescope rotator and fastened with 4 thumb screws. These screws should be placed ever 3 positions along the bracket.
 +
 +====Changing Focus Positions====
 +Different positions may be needed for different instruments. To do so simply open Maestro4 and then select the ''Focuser'' tab on the left hand side.
 +
 +Once this is selected you should see an area for ''Go To'' just type in the position you want the focuser to move and click the button.
 +
 +{{:public:catalinas:lemmon:phillips_24:focuspro2.png?400|}}
  
 =====Main Camera (SBIG STX16803)===== =====Main Camera (SBIG STX16803)=====
  
-====Focus Position====+====Balance Position==== 
 +With the main camera on there are no additional weight needs to achieve balance. Confirm that sides of the telescope looks like the below:
  
-Our main camera achieves focus just around **12500** counts in the Maestro4.+{{:public:catalinas:lemmon:phillips_24:weights_off.jpg?400|}} 
 + 
 +====Focus Position==== 
 +Our main camera achieves focus just around **3200** counts in the Maestro4.
  
 =====Focuser (FeatherTouch)===== =====Focuser (FeatherTouch)=====
 +
 +====Balance Position====
 +The Phillips is considered balanced for Focuser/Eyepiece viewing when the six ~2lb weights are installed three on either side. They are labeled and the their mounting positions are as well. Below is a picture of their positions.
 +
 +{{:public:catalinas:lemmon:phillips_24:weights_on.jpg?400|}}
  
 ====Focus Positions==== ====Focus Positions====
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 ===Eyepieces=== ===Eyepieces===
  
-The Focuser uses no spacers (reconfigurable spacers that is) from the mounting point and achieves focus at **12,500** counts in Maestro4. That position was selected so focus is right at the middle of travel on the FeatherTouch focuser using a TeleVue 41mm eyepiece.+The Focuser achieves focus at **12,500** counts in Maestro4. That position was selected so focus is right at the middle of travel on the FeatherTouch focuser using a TeleVue 41mm eyepiece.
  
 //**NOTE: Focus is only achieved at 12,500 when both the diagonal AND rotator ring are attached** // //**NOTE: Focus is only achieved at 12,500 when both the diagonal AND rotator ring are attached** //
public/catalinas/lemmon/phillips_24/focus_positions.1692901621.txt.gz · Last modified: 2023/08/24 11:27 by tdeyoe

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