Changes between Version 1 and Version 2 of TOManual/start


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Timestamp:
Jul 26, 2018 2:28:11 AM (6 years ago)
Author:
ebevins
Comment:

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  • TOManual/start

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    6 At the beginning of the night, check the weather and determine what kind of night you may be having. Stable and clear? Thunderstorms? Cloudy with potential to clear up later? Knowing the weather is incredibly important to the success of the night and to the safety of the site. The more you know, the better prepared you are. Frequently, as soon as a RA comes in they will ask you if you can open before they even
     6At the beginning of the night, check the weather and determine what kind of night you may be having. Stable and clear? Thunderstorms? Cloudy with potential to clear up later? Knowing the weather is important to the success of the night and to the safety of the site. The more you know, the better prepared you are. Frequently, as soon as a RA comes in they will ask if you can open before they even
    77sit down. Be ready to answer that question.
    88When you begin opening the dome, you will need to record the time, external temperature, and truss temperature in the night report. If you are unable to open right at sunset (due to weather or a problem), but are able to open at 01:10, you will need to record that time and the temperature when you opened. Once you arrive you will do one of the following two options below depending on the state of the telescope:
     
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    14         2) If the dome has not been opened, criteria are met, and the sun is close enough to the horizon (so that sunlight will not hit directly on the primary mirror, open the louvers (45 degrees if necessary, depending on wind speed) make sure the chillers and the AHU’s are off (Tracer SC window in Firefox “AHUs Enable” and “Chiller Plant Enable” should get turned off.), and then on the TCS GUI under the legacy tab, click “open shutter.” Important. NEVER move the dome while the shutter is opening or closing.  There is no lockout to prevent motion of the dome while shutter is open so be careful. Opening the shutter while the dome is moving is a major safely issue and could result in harm of the building. When you start beginning to stack, you will want to note the time, outside temp, and truss temp upon opening in the TO night report.
     14        2) If the dome has not been opened, criteria are met, and the sun is close enough to the horizon (so that sunlight will not hit directly on the primary mirror, go to the TCS GUI under the legacy tab, click “open shutter.” Important. NEVER move the dome while the shutter is opening or closing.  There is no lockout to prevent motion of the dome while shutter is open so be careful. Opening the shutter while the dome is moving is a major safely issue and could result in harm of the building.