Astronomy · Grassau
A live observatory for the Sun, Moon, daylight, twilight and the sky above Grassau.
The Sun is above the horizon
Grassau · 12:54 solar noon · 10h 27m of daylight
Solar System · Grassau
Topocentric positions for the selected observation time. Coordinates update with the Time Machine.
| BODY | ALT | AZ | RA | DEC | DISTANCE | MAG | RISE / SET |
|---|---|---|---|---|---|---|---|
| MercuryBELOW HORIZON | -6.2° | 246° | 15.18h | -20.9° | 0.796 AU | 0.4 | 09:45 / 18:36 |
| VenusBELOW HORIZON | -17.8° | 263° | 13.76h | -18.0° | 0.273 AU | -4.3 | 08:03 / 17:27 |
| MarsBELOW HORIZON | -22.8° | 346° | 9.15h | 17.9° | 1.499 AU | 1.0 | 00:43 / 15:38 |
| JupiterBELOW HORIZON | -24.4° | 337° | 9.72h | 14.4° | 5.623 AU | -2.0 | 01:34 / 15:54 |
| SaturnVISIBLE | 17.1° | 107° | 0.67h | 1.4° | 8.490 AU | 0.3 | 17:32 / 05:49 |
| UranusBELOW HORIZON | -1.5° | 55° | 4.20h | 21.0° | 18.611 AU | 5.6 | 19:29 / 10:55 |
| NeptuneVISIBLE | 20.3° | 115° | 0.18h | -0.4° | 28.995 AU | 7.8 | 17:10 / 05:12 |
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
- 286.6°
- FROM EARTH
- 0.995 AU
- ALT / AZ
- 46.9° / 138°
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 · Grassau
Bright Messier objects plotted from their equatorial coordinates and evaluated for the selected time and location.
- RA
- 0.71h
- DEC
- 41.27°
- ALTITUDE
- 82.7°
- AZIMUTH
- 207.9°
- HOUR ANGLE
- 4.5°
- ANGULAR SIZE
- 178′ × 63′