Milky Way Star Tracker & Earth Rotation Frame Simulator

Frame: Earth-Fixed

Celestial Pole Alt: 41.3°

Local Time: 02:30 AM

Frame Mode: Earth-Fixed | Latitude: 41.3° | Exposure: Staked 120s | Rotation Delta: 0.63°

Reference Frame

Exposure & Stacking Mode

Observer Latitude 41.3° N

Night Time (Hours) 02:30 AM

Exposure Duration 120 sec

Lens FOV (Focal Length) 85° (~24mm)

Polar Axis Elev: 41.3°

Sidereal Speed: 15.0°/hr

Milky Way Angle: 62.5°

Horizon Drift: 37.5°

In Earth-Fixed Frame, the ground stays stationary on your tripod while stars appear to move across the sky as the Earth spins.