Auroral Variability and other Nocturnal Lights Viewed from Space (Slide Set Number 97)
 

Slide set A: The instrument, satellites, and auroral substorm

  • Slide 1: Artist's drawing of the orbiting U.S. Air Force Block 5D Defense Meteorological Satellite which recorded the auroral displays in this slide set
  • Slide 2: Field-of-view over the Northern Hemisphere of the Operational Linescan System
  • Slide 3: 07 Jan 1973 1937 UT AL=-50
  • Slide 4: Discrete/Diffuse 10 Jan 1973 1529 UT AL=-350
  • Slide 5: Surges 12 Jan 1973 2328 UT AL=-300
  • Slide 6: Diffuse 9 Jan 1973 2049 UT AL=-600
  • Slide 7: Color enhanced 9 Jan 1973 2049 UT AL=-600
  • Slide 8: Pulsations 24 Jan 1973 1510 UT AL=-250
  • Slide 9: Antarctica 14 Jun 1974 1738 UT AL=-800
Slide set B: Auroral Substrom Phases
  • Slide 10: Quiet 20 Jun 1974 0356 UT AL=-64 Antarctica
  • Slide 11: Quiet 8 Jan 1973 1922 UT AL=-50 Siberia
  • Slide 12: Onset 27 Jan 1973 2128 UT AL=-100 Scandinavia
  • Slide 13: Onset 16 Apr 1973 1845 UT AL=-400 Antarctica
  • Slide 14: Onset 6 Jan 1973 1810 UT AL=-75 Western Europe
  • Slide 15: Expansion 9 Jan 1973 1725 UT AL=-200 Siberia
  • Slide 16: Expansion 1 Apr 1973 1334 UT AL=-600 Eastern Siberia
  • Slide 17: Expansion 26 Jan 1973 1455 UT AL=-100 Eastern Siberia
  • Slide 18: Expansion 3 Dec 1977 1419 UT Eastern Siberia
  • Slide 19: Recovery 27 Jan 1973 Eastern Siberia
  • Slide 20: Recovery 10 Jan 1973 2216 UT AL=-200 Eastern Europe
  • Slide 21: Recovery 25 Jan 1973 1147 UT AL=-650 Alaska
  • Slide 22: Recovery 26 Jan 1973 0131 UT AL=-350 Western Europe
Slide set C: Unusual Auroral Structures
  • Slide 23: Small oval 24 Jul 1973 Antarctica
  • Slide 24: Large oval 12 Jan 1973 1317 UT AL=-12 Khanty Maniysk, Siberia
  • Slide 25: Sun-aligned arc 18 Feb 1975 1136 UT AL=-50 Prudhoe Bay, Alaska
  • Slide 26: Sun=aligned arc 23 Jul 1974 0716 UT AL=-50 Antarctica
  • Slide 27: Quiet arc 1 May 1973 0127 UT AL=-200 Eastern Canada
  • Slide 28: Quiet arc 31 Jan 1973 0856 UT AL=-20 Western Canada
  • Slide 29: Diffuse/Continuous 8 Feb 1975 0937 UT AL=-20 Western Canada
  • Slide 30: Diffuse/Continuous 1 Nov 1972 0804 UT AL=-700 Western Canada
  • Slide 31: Diffuse/Continuous 8 Nov 1974 2133 UT AL=-700 Western Siberia
  • Slide 32: Surge 21 Nov 1974 1049 UT AL=-600 Siberia
  • Slide 33: Surge 21 Nov 1974 0030 UT AL=-400 Eastern Canada
  • Slide 34: Loop 24 Jan 1973 2120 UT AL=-450 Greenland
  • Slide 35: Loop 7 Feb 1975 0511 UT AL=-200 Eastern Canada
  • Slide 36: Swirl 5 Jan 1973 2330 UT AL=-250 Greenland
  • Slide 37: Swirl 11 Dec 1977 1003 UT Siberia
  • Slide 38: Omega Band 22 Oct 1974 1831 UT AL=-300 Siberia
  • Slide 39: Omega Band 8 May 1973 0819 UT AL=-200 Antarctica
  • Slide 40: Torches 21 May 1973 0651 UT AL=-800 Antarctica
  • Slide 41: Torches 25 Oct 1974 0656 UT AL=-500 Central Canada
  • Slide 42: Patches 25 Jan 1973 1510 UT AL=-150 Eastern Siberia
  • Slide 43: Patches 6 Feb 1975 0510 UT Eastern Canada
  • Slide 44: Polar Cap 3 Feb 1975 0747 UT Western Canada
  • Slide 45: Polar Cap Eastern Siberia
  • Slide 46: Polar Cap 25 Oct 1974 1745 UT AL=-300 Eastern Siberia
Slide set D: Other Sources of Nighttime Luminescence
  • Slide 47: City lights
  • Slide 48: Moonlight
  • Slide 49: Flaring of natural gas
  • Slide 50: Slash and burn farming
  • Slide 51: Lightning strokes
  • Slide 52: Energetic plasmasphere protons
 
 

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