Nightbase — Astronomy Observation Logger & Interactive Star Map
Every night has a mission.
Explore the night sky in real-time. Navigate constellations, find deep-sky objects, and plan your observations.
Navigate the night sky
22,000+ deep sky objects
Discover
Tonight
Best objects to observe tonight
Sky Digest
Curated nightly briefing with top targets and events
Weather
Astronomy weather forecast
Record
Sessions
Log your observing nights
Observations
Detailed records per object
Quick Add
Log a single observation without a session
Organize
Lists
Curate your favorite objects
Plans
Observation checklists with progress
Equipment
Manage your gear
Solar System
Planetarium
VR3D solar system model
Sun
Live image & rise/set times
Moon
VRPhase, map and special highlights
Planets
VRJupiter, Saturn & Mars
Earth
VR3D globe with real-time day/night and ISS tracking
Events
Eclipses, conjunctions & meteor showers
Comets
Currently visible comets
ISS
ISS, Starlink & bright passes
Meteor Showers
Peak dates, hourly rates & radiant positions
Reference
Constellations
88 IAU constellations & their objects
Exams
Test your astronomy knowledge
Famous Astronomers
History of astronomy
Kepler's Laws
Interactive orbital mechanics simulation
Three-Body Problem
Gravitational simulation of three bodies
Optics Simulator
Eyepiece & telescope calculator
Collimation
Telescope alignment helper
Space Telescopes
Recent JWST and Hubble observations
Polar Lights
Aurora forecast, Kp index, and live feeds
Light Pollution
Interactive global light pollution map with Bortle scale overlay from VIIRS satellite data
Resources
Curated links to prestigious astronomy websites, databases, and organizations
Sign in to log observations, create plans, and manage equipment.