This page last updated: March 5, 2008 - JMD
This page last checked: February 23, 2007 - JMD
These pages are intended for more technical topics for the APO TechStaff and Observing Specialists.
If you are looking for general user information, please click on the new 3.5m User pages.
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Infrared Satellite Image over APO
Here's a cutout from an infrared satellite image over APO. Light (whitish) pixels represent lack of clouds. Darker (blacker) pixels indicate heavier cloud obscuration. Note that landscape structures can be faintly seen when skies are clear (compare a clear-sky sat image with a NM state map, and you'll be able to discern the Sacramento mountain range, White Sands valley, nearby ranges, etc. A small red cross is placed at the location of APO. The date and time stamp at the upper left should be compared with current time. Time units are in "Zulu" or UT/GMT. Subtract 7 hours (6 hours during the summer) from the 24-hour time clock to get Mountain Time.