Astronomy Tools & Data
Terminator Calculator
Real-time shadow map showing the day/night line and visible craters.
Moonlight Calculator
Calculate lunar luminosity (Lux) based on weather and altitude.
Sky Clarity
Real-time stargazing grade based on local cloud cover and lunar glare.
Moon Radar Compass
Use your device’s live telemetry to find the Moon’s exact position in the sky.
Planetary Tracker
Live map of the solar system and upcoming planet parades.
ISS Tracker
Real-time tracking of the International Space Station’s location.
Conjunctions
Schedule of lunar occultations and planetary meet-ups for 2026.
Lunar 100 Guide
The ultimate moon-watching list. Track 100 must-see lunar features.
Apollo Landing Sites
Interactive map coordinates of all historic Apollo mission landings.
Field of View Calc
Simulate telescope magnification and framing for specific targets.
Eyepiece Master Lab
Pro optical simulator and guide to help you choose the perfect eyepiece.
Moon Photography
Settings, gear, and professional tips for capturing sharp lunar shots.
Blue Hour
Precise blue and golden hour times for photographers and filmers.
Looney 11 Calc
Calculate optimal camera exposure settings for photographing the moon.
Moon Age Calc
Calculate the precise age of the moon in days since the last New Moon.
Distance Calculator
Measure real-time distances between Earth and celestial bodies.
Planetary Weight
Calculate how much you would weigh on Mars, Jupiter, or the Moon.
Age on Other Planets
Calculate your age if you lived on Mars, Jupiter, or the Moon.
Day Counter
Calculate the days, heartbeats, and moon cycles between any dates.
Julian Date
Astronomy date converter and local sidereal time calculator.
UTC & Zulu Time
Universal and sidereal time clocks for global coordination.
Military Time
Convert standard time to military time and vice versa.
Lunar Dictionary
Glossary of astronomical terms, lunar phases, and celestial mechanics.
✨ Explore the Full Collection
Looking for something else? Access our complete suite of 30+ lunar calendars, astronomy calculators, and nature forecasts in the main directory.
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