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2018A OT Elevation Plot

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The 2018 OT Elevation Plot has been updated so that the light-gray area indicates the time between sunrise/sunset and 12° twilight.  This is a change from previous versions where light-gray indicated the time between 12° and 18° twilights.  This new … Continue reading →

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2018A ITC Improvements

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The 2018A ITC includes many improvements: – Add support for GMOS IFU-2 mode with the new Hamamatsu CCDs – Add support for GNIRS spectroscopy with Altair – Update the Gemini telescope mirror reflectivity – Show the SED brightness normalization of … Continue reading →

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Disabling Automatic Guide Star Search

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The 2018A OT makes it easier to disable the Automatic Guide Star (AGS) selection, useful for example, for unguided non-sidereal observations.  Either set the Auto Guide Search to “Off” (as shown above), or just delete the automatically selected guide star in the … Continue reading →

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New Target Types

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The 2018A OT includes several new target types to facilitate planning your Gemini observations.  Previously the only target types available were the “Base” (the pointing center), the guide star (OIWFS, PWFSn, or AOWFS), and a single “User” target for all other … Continue reading →

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2018A Observing Tool

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The 2018A Observing Tool (OT) to be released in December features an image of the interacting galaxy pair NGC 1531 and NGC 1532 imaged with the Gemini Multi-Object Spectrograph (GMOS) on the Gemini South telescope. See the Gemini Image Gallery for more … Continue reading →

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