Neptune in 1974: brightness, position and events
Brightest+7.8around May 15
Closest (in table)29.294 au4382 million km
Farthest31.289 au
Events this year2
Brightest last year+7.8
Events this year
| Date (JST) | Event | Mag | Dist (au) | Constellation | Elong. |
|---|---|---|---|---|---|
| 1974-05-30 09:39 | Opposition | +7.8 | 29.293 | Ophiuchus | 178.4° |
| 1974-12-02 07:07 | Conjunction with the Sun | +8.0 | 31.289 | Ophiuchus | 1.5° |
Magnitude through the year (lower = brighter)
Twice-monthly position and visibility
| Date | Mag | Dist (au) | Constellation | Elong. | Visibility |
|---|---|---|---|---|---|
| Jan 1 | +8.0 | 31.138 | Ophiuchus | 32° W | Morning sky |
| Jan 15 | +8.0 | 30.986 | Ophiuchus | 46° W | Morning sky |
| Feb 1 | +8.0 | 30.748 | Ophiuchus | 63° W | Morning sky |
| Feb 15 | +7.9 | 30.522 | Ophiuchus | 77° W | Morning sky |
| Mar 1 | +7.9 | 30.282 | Ophiuchus | 91° W | Morning sky |
| Mar 15 | +7.9 | 30.043 | Ophiuchus | 104° W | Morning sky |
| Apr 1 | +7.9 | 29.773 | Ophiuchus | 122° W | Morning sky |
| Apr 15 | +7.9 | 29.584 | Ophiuchus | 135° W | Morning sky |
| May 1 | +7.9 | 29.419 | Ophiuchus | 151° W | Most of the night |
| May 15 | +7.8 | 29.328 | Ophiuchus | 165° W | Most of the night |
| Jun 1 | +7.8 | 29.294 | Ophiuchus | 177° E | Most of the night |
| Jun 15 | +7.8 | 29.328 | Ophiuchus | 164° E | Most of the night |
| Jul 1 | +7.9 | 29.435 | Ophiuchus | 148° E | Evening sky |
| Jul 15 | +7.9 | 29.580 | Ophiuchus | 135° E | Evening sky |
| Aug 1 | +7.9 | 29.809 | Scorpius | 118° E | Evening sky |
| Aug 15 | +7.9 | 30.029 | Scorpius | 105° E | Evening sky |
| Sep 1 | +nan | 30.313 | Scorpius | 89° E | Evening sky |
| Sep 15 | +7.9 | 30.547 | Ophiuchus | 75° E | Evening sky |
| Oct 1 | +8.0 | 30.796 | Ophiuchus | 60° E | Evening sky |
| Oct 15 | +8.0 | 30.984 | Ophiuchus | 46° E | Evening sky |
| Nov 1 | +8.0 | 31.160 | Ophiuchus | 30° E | Evening sky |
| Nov 15 | +8.0 | 31.251 | Ophiuchus | 16° E | Evening sky |
| Dec 1 | +8.0 | 31.289 | Ophiuchus | 2° E | Too close to the Sun |
| Dec 15 | +8.0 | 31.261 | Ophiuchus | 13° W | Too close to the Sun |
Computed with the JPL DE421 ephemeris and Skyfield (times in JST). Magnitude and distance are for 12:00 JST on each date. Visibility is a rough guide for mid-northern latitudes such as Japan.
About this page
Neptune is brightest around May 1974 (magnitude +7.8); 2 conjunctions, oppositions or elongations occur this year.