Image Added This is a summary of normal IGRINS use for observers at the McDonald 2.7m telescope 

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Setting Up Guiding

On Slit Guiding

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Off Slit Guiding - for experts only.

Using the DTP

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Identifying A0V Stars

Kyle has written several A0V Star worklists that can be used to identify nearby A0V stars throughout the night. Each worklist has to be uploaded to your TCS user account (only once!) for you to be able to use them throughout the night. You can download the worklists from here the Wiki or from here on Google Drive to upload them to TCS. (upload directions would be helpful here--20241206)

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1. Move the telescope to Zenith

   1. Using the TCS select Next → Zenith and click yes on all of the pop-up windows

2. Close the IGRINS window cover

   1. Rotate IGRINS back to a PA of 90 degrees, if needed

   2. Raise the east platform using the yellow hand paddle

   3. Close the IGRINS window cover using the handle

   4. Be sure to secure the handle using the velcro strip

3. Stow the telescope

   1. Using the TCS select Next → Stow and click yes on all of the pop-up windows

   2. Press and hold the button on the dome floor console to move the telescope to the stow position

4. Close the Mirror Window Cover

   1. Using the button on the Colossus Console (the console in the dome with all the red buttons). You should hear the motor stop when it is fully closed.

5. Close the dome

   1. Using the button on the Colossus Console. There will be a loud sound when it finishes closing.

6. Put any wind screens that are over the dome slit back to their stow positions using the handpaddle

7. Park the dome

   1. Using the TCS select Tools → Park Dome and click yes on all of the pop-up windows

8. Close the dome doors

9. Close the dome vents

   1. Using the control panel on the East side of the dome near the door

10. E-stop the telescope

    1. Using the button on the Colossus Console

11. Turn on the passage lights (only once dome is closed fully)

    1. Using the button on the Colossus Console

12. From the control room

    1. Log-out of ATLAS

       1. Click the power button on top right hand side of the lower monitor

13. Turn off the heater in the observing room

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