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Major Bodies » Neptune

How bright is Neptune?

The current visual magnitude of Neptune is 7.94.

7.94
2.2”

The following chart is the predicted light curve (visual magnitude as a function of time) of Neptune, according to the most recent ephemerides data. Magnitude data is sampled with a 2 days interval and there might be inaccuracies for objects changing brightness very rapidly during the course of a few days. For comets there could be large discrepancies between the observed and predicted brightness because of their highly dynamic behaviour.

Predicted magnitude of Neptune between January 2013 and December 2049

See Also

Available Resources for Neptune