Astronomy · Waterloo
A live observatory for the Sun, Moon, daylight, twilight and the sky above Waterloo.
The Sun is above the horizon
Waterloo · 13:05 solar noon · 10h 40m of daylight
Solar System · Waterloo
Topocentric positions for the selected observation time. Coordinates update with the Time Machine.
| BODY | ALT | AZ | RA | DEC | DISTANCE | MAG | RISE / SET |
|---|---|---|---|---|---|---|---|
| MercuryVISIBLE | 25.6° | 180° | 15.18h | -20.9° | 0.795 AU | 0.4 | 09:42 / 19:01 |
| VenusVISIBLE | 25.5° | 203° | 13.76h | -18.0° | 0.273 AU | -4.3 | 08:01 / 17:50 |
| MarsVISIBLE | 11.8° | 284° | 9.15h | 17.9° | 1.498 AU | 1.0 | 01:07 / 15:37 |
| JupiterVISIBLE | 15.6° | 275° | 9.72h | 14.4° | 5.622 AU | -2.0 | 01:55 / 15:55 |
| SaturnBELOW HORIZON | -33.4° | 48° | 0.67h | 1.4° | 8.490 AU | 0.3 | 17:44 / 05:59 |
| UranusBELOW HORIZON | -23.6° | 345° | 4.20h | 21.0° | 18.611 AU | 5.6 | 19:55 / 10:50 |
| NeptuneBELOW HORIZON | -30.6° | 56° | 0.18h | -0.4° | 28.996 AU | 7.8 | 17:21 / 05:23 |
Planetary Orbits · 2026-10-23 12:00
Heliocentric orbital geometry for the selected instant. Distances use a logarithmic visual scale so the inner planets remain readable.
- ORBIT
- 1.000 AU
- ECCENTRICITY
- 0.0167
- INCLINATION
- -0.00°
- TRUE ANOMALY
- 286.9°
- FROM EARTH
- 0.995 AU
- ALT / AZ
- 50.0° / 135°
Three-Body Relationship · 2026-10-23 12:00
Geocentric directions and lunar phase at the selected instant. The geometry is intentionally schematic, not to scale.
Constellation Map · Equatorial Coordinates
Real right ascension and declination for selected reference stars. This map is a chart, so the denser astronomical treatment stays here rather than in Living Sky.
Coordinates are plotted in an equatorial frame, independent of local horizon orientation.
- Betelgeuse
- 5.92h · 7.4° · mag 0.5
- Bellatrix
- 5.42h · 6.3° · mag 1.6
- Alnilam
- 5.60h · -1.2° · mag 1.7
- Alnitak
- 5.68h · -1.9° · mag 1.7
- Mintaka
- 5.53h · -0.3° · mag 2.2
- Rigel
- 5.24h · -8.2° · mag 0.1
Celestial Objects · Waterloo
Bright Messier objects plotted from their equatorial coordinates and evaluated for the selected time and location.
- RA
- 0.71h
- DEC
- 41.27°
- ALTITUDE
- 87.7°
- AZIMUTH
- 199.7°
- HOUR ANGLE
- 1.0°
- ANGULAR SIZE
- 178′ × 63′