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Insitu Insight UASStuart Creek Alaska
Midnight Sun, 22 June, 2007
GI & Poker Flat Research Range ground-based optical observations
Donald HamptonResearch Assistant Prof.
Geophysical InstituteOptical Science Manager
Poker Flat Research [email protected]
(907)455-2256
With support fromMarilia Samara & Robert Michell (GSFC)
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Station Locations
Optics + Mag
Mag Only
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3
Optical Assets
Notes:1 Solid-state meridian spectrograph2 Local observer required3 Coordinated with M. Samara and R. Michell
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4
Poker Digital All-Sky Camera(PKR DASC)
• Developed by KEO scientific• Andor IXON+ EMCCD
– 1k x 1k pixels
– 16-bit digitization
• Telecentric optical system with filter wheel
• First deployed Sep 2007– Unfiltered for 07/08
• Typical operations is three-filters – 427.8 nm, 557.7 nm, 630.0 nm at a 12.5 sec cycle time
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Poker DASC - Mapping
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Mapping of e- energy flux
400
km
50 km cell size
See poster SM51G-4337 (Conde et al.)
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7
Optical Assets
Notes:1 Solid-state meridian spectrograph 2 Local observer required3 Coordinated with M. Samara and R. Michell
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EMCCD single-filter All-sky
Sample rate:3 frames/sec
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9
Optical Assets
Notes:1 Solid-state meridian spectrograph2 Local observer required3 Coordinated with M. Samara and R. Michell
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All-sky Meridian Spectrograph “Digital MSP”
• Refurbished in 2009 as part of MSP upgrade study
– Filter wheel removed– 600 line/mm grating replaces 1200
line/mm grating– 50 mm camera lens replaces 85 mm
lens– 200 => 500 micron slit
• Has now replaced MSP• 15 second sample rate
• 6 channel operation– 427.8 nm (N2+)– 486.1 nm (H+)– 520.0 nm (NI)– 557.7 nm (OI)– 630.0 nm (OI)– 670.0 nm (N2)
All-sky lens
Grating
Slit
Filter Wheel
Collimating lens
Andor CCD
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MSP Keograms
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Real-time and archive access
Real time data at:
http://optics.gi.alaska.edu/
Archive data at:
http://optics.gi.alaska.edu
(summaries)
http://amisr.asf.alaska.edu
(raw and secondary)