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Thread: Long Infrared Nights

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    Default Long Infrared Nights



    So our visiting instrument from the KASI (Korean Astronomy & Space Science Institute) / University of Texas has arrived! IGRINS (Immersion Grating Infrared Spectrograph) commissioning went smoothly and our seeing on site for the two nights was about 0.7"!
    Bad news with this instrument is that, given its wavelength, observations can start a bit before sunset and a bit after sunrise. With the long winter nights right around the corner, 16-18 hours nights will soon be upon me!
    Awesome for science but bummer for the Operator lol!
    Note: IGRINS is the Golden Box on the back of DCT's instrument cube.
    20170830_154619.jpg

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    Default Re: Long Infrared Nights

    Andrews, way cool.

    Question: so at that wavelength, how affected by cloud cover is an instrument of that nature? Can it gather useful data in sub-optimal sky conditions, or does it require a decent sky?
    ProfEclipse and Brodavid1953 like this.
    Bryan

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