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THIS PAGE IS OUT OF DATE AND NOT BEING  MAINTAINED. (sel - 2019Dec31).


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titleDCT

Restarted science operations on August 24, 2017 MST.

Normal Operations .with LMI, and DeVeny.

NIHTS has started (re-)commissioning, and the dichroic fold flat has been installed.

IGRINS has returned starting in late August 2017.

EXPRES has started on-sky commissioning.

RIMAS is not yet available.

DSSI will be on the telescope in late January 2018.

U
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titleInstrument Filters & Gratings



LMI Upper Filter WheelOPENDARKOHCNBCIRVBU
LMI Lower Filter WheelOPENugrizRCUCCO+VR
DeVeny Grating300
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titleLMI

Current Filter Wheel Configuration

Lower Filter Wheel (FW1)

PositionDisplay NameFocus Offset (µm)FITS Header Value
1OPEN0OPEN
2SL-u245SDSS-U
3SL-g245SDSS-G
4SL-r245SDSS-R
5SL-i245SDSS-I
6SL-z245SDSS-Z
7CN240CN
8C3240C3
9OH240OH
10BC240BC

Upper Filter Wheel (FW2)

PositionDisplay NameFocus Offset (µm)FITS Header Value
1OPEN0OPEN
2DARK0DARK
3Ha-on220HALPHAON
4Yish170YISH
5VR270VR
6I205I
7R205R
8V170V
9B170B
10U205