Celestial Planes Demo
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West to East + 90° Offset Alignment
Target Star
-- None (West to East) --
Betelgeuse (α Orionis)
Polaris (North Star)
Sirius (α Canis Majoris)
Vega (α Lyrae)
VISIBLE PLANES
Azimuth Semicircle
(West → North → East)
Zenith Semicircle
(West → Zenith → East)
Observer Latitude:
28.0° N
Observer Longitude:
-82.0° W
Local Time (Hour):
21:00
Day of Year:
75 (Mid March)
COORDINATE READOUT
Azimuth ($A$):
--
Zenith Angle ($z$):
--
Altitude ($h$):
--
Status:
No Star Selected
•
Initial State:
Semicircles start aligned across the West–East axis.
•
Rotation:
When a star is selected, both planes rotate by the star's Azimuth
+ 90°
.
•
Drag to Orbit:
Click and drag the canvas to rotate the 3D perspective.