{"year":1718.19,"posangle":160.86667,"weight":4,"notes":"Pound","authority":"Pound"}
{"year":1718.2,"posangle":160.86667,"weight":4,"notes":"Bradley","authority":"Bradley"}
{"year":1720.31,"posangle":139.11667,"distance":7.49,"weight":0.1,"notes":"Cassini  very uncertain","authority":"Cassini"}
{"year":1756,"posangle":144.36667,"distance":6.5,"weight":4,"notes":"Mayer","authority":"Mayer"}
{"year":1780.06,"distance":5.7,"weight":4,"notes":"H. Catal. 1782","authority":"H"}
{"year":1781.89,"posangle":130.73333,"weight":4,"notes":"H. Catal  1782","authority":"H"}
{"year":1803.2,"posangle":120.25,"weight":8,"notes":"H. Mean of 8 measures","authority":"H"}
{"year":1819.4,"distance":3.56,"weight":4,"notes":"Sigma  Descriptio Tubi Fraunhof., p. 17","authority":"Sigma"}
{"year":1820.2,"posangle":105.25,"weight":4,"notes":"Sigma. Addit. Dorp. Obs., ii 178","authority":"Sigma"}
{"year":1822.25,"posangle":103.4,"distance":3.79,"weight":4,"notes":"Sh. Phil Trans 1824","authority":"Sh"}
{"year":1822.5,"posangle":102.4,"weight":4,"notes":"Sigma  Descriptio Tubi Fraunhof., p. 17","authority":"Sigma"}
{"year":1825.32,"posangle":96.88333,"distance":3.26,"weight":4,"notes":"S. Phil Trans","authority":"S"}
{"year":1825.35,"posangle":97.96667,"distance":2.38,"weight":4,"notes":"Sigma DTF & Mem Ast Soc; mean of dates ","authority":"Sigma"}
{"year":1828.35,"posangle":90.5,"weight":1,"notes":"h. One night measure. No reliance","authority":"h"}
{"year":1829.16,"distance":1.79,"weight":2,"notes":"h. 2 nights obs","authority":"h"}
{"year":1829.22,"posangle":87.71667,"weight":2,"notes":"h. 2 nights obs","authority":"h"}
{"year":1830.24,"distance":2.22,"weight":6,"notes":"h. 6 nights obs","authority":"h"}
{"year":1830.38,"posangle":82.08333,"weight":6,"notes":"h. 6 nights obs","authority":"h"}