The Viewpoint imaging satellite is a research grade observatory with 3 imagers and a full line of filters. Orbiting above the atmosphere, observations can be done down to 200 nm into the ultraviolet and done 24 hours a day.
Basic instrument data:
Viewpoint spacecraft capabilities:
Basic instrument data:
Viewpoint spacecraft capabilities:
- Main mirror: 500 mm diameter Zerodur substrate with protected enhanced aluminum coating
- Optical Design: F/7.6 Modified Dall Kirkham
- Focal length 3800 mm
- Four momentum wheels for fine attitude control and four control moment gyros for fast attitude adjustments
- Dual orthogonal star cameras for precise attitude determination
- Cameras:
- 48 megapixel CMOS main imager with 0.25 arcsecond per pixel resolution. Field of view: 0.55 degrees by 0.42 degrees. In-camera guide imagers for fine guidance. XY nanopositioners for sub-pixel imager movement.
- 10 megapixel high sensitivity sCMOS imager with 0.25 arcsecond resolution. Lumagen coating for UV response to 200nm
- 2 megapixel 150 band hyperspectral imager from 470 to 900nm
- Six body mounted Earth/Sun sensing cameras
- Space selfie camera mounted on solar panel wing