OLI & TIRS
To help users familiarise themselves with the Landsat OLI and TIRS instruments, and its science data products, the Landsat 8 Data Users Handbook is available online.
The OLI & TIRS menu to your right provides information concerning the SPPA activities for these instruments.
A brief description of the instruments, their operations and main mission highlights are available in the sections below:Sensor Description | Sensor Modes | Mission Operations Overview
Landsat 8 operates in the EARTH OBSERVATION mode for nominal routine operations. The satellite acquires all day-lit descending land images between 57° North and 57° South, and on average 90% day-lit descending land images at higher latitudes; combined to approximately 725 images per day. Night, ocean, and day-lit ascending images are only acquired by special request.