THEMIS GBO All Sky Imager at Fort Smith, NT, Canada. ASI Thumbnails Data ...

THEMIS Ground All Sky Imager at Fort Smith: 32 x 32 pixel thumbnails for full ASI images. The ASI stations monitor a 170 degree field of view imaging the auroral oval at kilometer resolution. The ASI is comprised of a fisheye lens and CCD in a stainless steel enclosure topped with a transparent acry...

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Bibliographic Details
Main Authors: Angelopoulos, Vassilis, Mende, Stephen B., Donovan, Eric, Frey, Harald U., Spanswick, Emma L.
Format: Dataset
Language:unknown
Published: University of California, Berkeley 2023
Subjects:
Canada
Dome The
Fort Smith
Online Access:https://dx.doi.org/10.48322/0tfn-6q79
https://hpde.io/NASA/NumericalData/THEMIS/Ground/Fort.Smith/ASI/thumb_PT3S.html
Description
Summary:THEMIS Ground All Sky Imager at Fort Smith: 32 x 32 pixel thumbnails for full ASI images. The ASI stations monitor a 170 degree field of view imaging the auroral oval at kilometer resolution. The ASI is comprised of a fisheye lens and CCD in a stainless steel enclosure topped with a transparent acrylic dome. The CCD has a resolution of 256 x 256 pixels. Exposure control ranges from 5 s to 1 ms although the typical data rate is one image every 3 seconds. Silicone heaters keep the instrument within the nominal temperature range. During daylight hours sun shades deploy to protect the CCD. ...

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