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Twin Quasar

Astronomical discovery
The Twin Quasar, was discovered in 1979 and was the first identified gravitationally lensed object, not to be confused with the first detection of light deflection in 1919. Wikipedia
Discovered: 1979
Discoverer: Dennis Walsh
Declination: +55° 53′ 56.5″
Right ascension: 10h 01m 20.99s
Apparent dimensions (V): 6" distance
Apparent magnitude (V): 16.7
Constellation: Ursa Major