Where is NGC1840 right now?
NGC1840 is located in the constellation Mensa. It is currently below the horizon and is not visible from your location.
Track NGC1840 Position Throughout the Night
← 7 September 2026 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe NGC1840 changing position in the night sky.
Where and When to Look for NGC1840 Tonight
NGC1840 is not visible during this observing period because it remains below the horizon. Its highest sampled position is 19° below the horizon near 05:00.
How NGC1840 Moves Across the Sky
NGC1840 remains below the horizon throughout this observing period, moving from the south-west toward the south-west. Its smallest distance below the horizon is 19° toward the south.
Astrometric and Physical Parameters of NGC1840
| Constellation | Mensa |
| Elevation | -54° |
| Direction | south (170°) |
NGC1840 Passage Through Night
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Current position of NGC1840
| Time | 18:26 |
| Latitude | 37.3541 |
| Longitude | -121.955 |
| Elevation | -54° |
| Azimuth | 170° |
Here you can see the current position of NGC1840 on the map, as well as its positions for rise and set. This tool lets you track its movement throughout the night with accurate, up-to-date information.
NGC1840 Position by Hour
Select a row to move both interactive maps to that time.
| Time | Elevation | Azimuth | Direction | Visibility | RA | Dec |
|---|---|---|---|---|---|---|
| Sep 6, 12:00 | -39° | 203° | south-west | Below horizon | 05h 05m | −71° 45′ |
| Sep 6, 13:00 | -44° | 203° | south-west | Below horizon | 05h 05m | −71° 45′ |
| Sep 6, 14:00 | -48° | 200° | south-west | Below horizon | 05h 05m | −71° 45′ |
| Sep 6, 15:00 | -52° | 196° | south-west | Below horizon | 05h 05m | −71° 45′ |
| Sep 6, 16:00 | -54° | 189° | south | Below horizon | 05h 05m | −71° 45′ |
| Sep 6, 17:00 | -56° | 181° | south | Below horizon | 05h 05m | −71° 45′ |
| Sep 6, 18:00 | -55° | 173° | south | Below horizon | 05h 05m | −71° 45′ |
| Sep 6, 19:00 | -53° | 166° | south-east | Below horizon | 05h 05m | −71° 45′ |
| Sep 6, 20:00 | -49° | 161° | south-east | Below horizon | 05h 05m | −71° 45′ |
| Sep 6, 21:00 | -45° | 158° | south-east | Below horizon | 05h 05m | −71° 45′ |
| Sep 6, 22:00 | -40° | 157° | south-east | Below horizon | 05h 05m | −71° 45′ |
| Sep 6, 23:00 | -36° | 157° | south-east | Below horizon | 05h 05m | −71° 45′ |
| Sep 7, 00:00 | -31° | 159° | south-east | Below horizon | 05h 05m | −71° 45′ |
| Sep 7, 01:00 | -27° | 162° | south-east | Below horizon | 05h 05m | −71° 45′ |
| Sep 7, 02:00 | -24° | 166° | south-east | Below horizon | 05h 05m | −71° 45′ |
| Sep 7, 03:00 | -21° | 170° | south | Below horizon | 05h 05m | −71° 45′ |
| Sep 7, 03:13 — Astronomical night ends | -21° | 171° | south | Below horizon | 05h 05m | −71° 45′ |
| Sep 7, 03:45 — Twilight end | -20° | 173° | south | Below horizon | 05h 05m | −71° 45′ |
| Sep 7, 04:00 | -20° | 175° | south | Below horizon | 05h 05m | −71° 45′ |
| Sep 7, 04:16 — Civil sunrise | -19° | 176° | south | Below horizon | 05h 05m | −71° 45′ |
| Sep 7, 04:44 — Sunrise | -19° | 178° | south | Below horizon | 05h 05m | −71° 45′ |
| Sep 7, 05:00 | -19° | 179° | south | Below horizon | 05h 05m | −71° 45′ |
| Sep 7, 06:00 | -20° | 184° | south | Below horizon | 05h 05m | −71° 45′ |
| Sep 7, 07:00 | -21° | 189° | south | Below horizon | 05h 05m | −71° 45′ |
| Sep 7, 08:00 | -23° | 194° | south-west | Below horizon | 05h 05m | −71° 45′ |
| Sep 7, 09:00 | -27° | 197° | south-west | Below horizon | 05h 05m | −71° 45′ |
| Sep 7, 10:00 | -30° | 200° | south-west | Below horizon | 05h 05m | −71° 45′ |
| Sep 7, 11:00 | -35° | 202° | south-west | Below horizon | 05h 05m | −71° 45′ |
| Sep 7, 12:00 | -39° | 203° | south-west | Below horizon | 05h 05m | −71° 45′ |