Introduction

We have constructed an instrument named MORIS (MIT Optical Rapid Imaging System) for use on NASA's 3-m IRTF (InfraRed Telescope Facility) on Mauna Kea, HI. This is a high-speed, visible-wavelength camera mounted on the side window of the near-IR imager and spectrograph SpeX. The design is based on POETS (Portable Occultation, Eclipse, and Transit Systems), which were developed by a collaboration between MIT and Williams College.

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Latest News

2011: The instrument paper was published (Gulbis et al., 2011, PASP, 123, 461). MORIS was declared commissioned and handed over to the IRTF as a facility instrument.

2010: The instrument is mounted back on SpeX and initial tests show excellent image quality! The optical path was redesigned in order to eliminate scattered light. The entire system, with the new optics and newly-machined foreoptics box(es), was assembled and mounted in time for an August engineering run. A battery of test images (as well as some science data) demonstrate that there is significant improvement in overall image quality and that the scattered light issue has been resolved.

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