Syzygiasticon instauratum : or, an ephemeris of the places and aspects of the planets, as they respect the sun [circle with dot in center] as center of their orbes, calculated for the year of the incarnation of God, 1653. By Joshua Childrey, sometimes of Magdalen Colledge Oxford, now S.M. of Feversham in Kent. For the longitude of the city of London, which is commonly computed to be 24 degrees, 20 minutes from the meridian of non-variation.