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| Date | Time | Event | Constellation |
| 29 Mar 2029 | 00:16 GMT | Neptune at solar conjunction | Cetus |
| 14 Jul 2029 | 03:18 GMT | Neptune enters retrograde motion | Pisces |
| 02 Oct 2029 | 16:16 GMT | Neptune at opposition | Cetus |
| 19 Dec 2029 | 09:43 GMT | Neptune ends retrograde motion | Cetus |
Neptune
Neptune
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Neptune Events
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Other Planet watch
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