SiderealLab

SiderealLab is your pocket-sized astronomical toolkit for exploring Earth’s sidereal rotation.

Built for students, educators, and stargazing enthusiasts, SiderealLab calculates linear rotational velocity at any latitude with elegant precision. Just input your location and instantly visualize Earth’s rotational speed in both m/s and km/h.

Key Features (Free Version):
- Manual latitude input
- Instant sidereal velocity calculation
- Unit toggle: m/s and km/h
- High-resolution data charts
- Export results as PNG or CSV
- Works offline, no login required

Upcoming Pro Features:
- GPS Integration
- Custom Celestial Targets (RA/Dec input)
- Animated and overlayed charts
- Cloud sync and user accounts
- Multi-language support (English, 中文, Dansk)
- PDF lab report generation

Whether you're preparing a classroom demo or satisfying cosmic curiosity, SiderealLab makes Earth’s motion measurable, beautiful, and approachable.