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Finder chart for Neptune during 2016, 91 KB (Copyright Martin J Powell, 2015)

Finder Chart for Neptune for 2016, with positions marked on the first day of each month (click on thumbnail for full-size chart, 91 KB). A Southern hemisphere view can be found here (95 KB). Where the planet was too close to the Sun to be observable, the path is shown as a dashed line.

In 2016, Neptune reached opposition to the Sun - when it was brightest in the sky for the year and closest to the Earth - on September 2nd (indicated on the chart by the the symbol Opposition symbol) when its apparent magnitude was +7.8 and its apparent diameter was 2".4 (2.4 arcseconds). The planet was then 28.945 Astronomical Units (4,330 million kms or 2,690 million miles) from Earth.

Much of the star field in the chart should be easily contained within a binocular field of view (which typically ranges from 5 to 9). Stars are shown down to magnitude +8.5. Right Ascension and Declination co-ordinates are marked around the border, for cross-referencing with a star atlas. Printer-friendly (greyscale) versions of the chart are available for Northern (42 KB) and Southern hemisphere (43 KB) views.

Click here (74 KB) to see a 'clean' star map of the area (i.e. without planet path); a printable version can be found here (35 KB).


Neptune Finder Chart 2015

The Position of Neptune in the Night Sky

Neptune Finder Chart 2017


Credits


Copyright  Martin J Powell  December 2016