• a1951.jpg, Algol, I filter, 0.9 seconds
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  • a1966.jpg, Algol, B filter, 0.7 seconds
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  • a1984.jpg, Algol, B filter, 0.7 seconds
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  • a1986.jpg, Algol, V filter, 0.6 seconds
  • a1987.jpg, Algol, V filter, 0.6 seconds
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  • a1999.jpg, Algol, V filter, 0.6 seconds
  • a2000.jpg, Algol, V filter, 0.6 seconds