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Finder chart for Neptune during 2011. Click for full-size image, 65 KB (Copyright Martin J Powell, 2011)

Finder Chart for Neptune for 2011, with positions marked on the first day of each month (click for full-size picture, 65 KB). A Southern hemisphere view can be found here (68 KB). Where the planet was too close to the Sun to be visible, the path is shown as a dashed line.

In 2011, Neptune reached opposition to the Sun (when it is brightest in the sky for the year and closest to the Earth) on August 22nd, when its apparent magnitude was +7.8 and its apparent diameter was 2".4 (2.4 arcseconds). The planet was then 28.995 Astronomical Units (4,337 million kms or 2,695 million miles) from Earth.

Much of the star field in the chart is 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 (30 KB) and Southern hemisphere (31 KB) views.

Click here (55 KB) to see a 'clean' star map of the area (i.e. without planet path); a printable version can be found here (25 KB).


Neptune Finder Chart 2010

The Position of Neptune in the Night Sky

Neptune Finder Chart 2012


Credits


Copyright  Martin J Powell  February 2009