T-square

Planets (Moon optional). Fit to the 90 and 180 degree pattern.

Tightest examples in the catalog

Date (UTC)BodiesCountDeviation
2000-03-16 07:35 Jupiter, Moon, Neptune 3 0.0744° View
2001-08-06 20:02 Moon, Pluto, Saturn 3 0.1033° View
2000-10-10 08:02 Jupiter, Moon, Pluto 3 0.2036° View
2000-04-20 10:10 Mars, Moon, Uranus 3 0.2052° View
2000-05-10 20:30 Moon, Saturn, Uranus 3 0.2951° View

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