STEP 1 · SET OBSERVING LOCATION

Where will you observe?

Your location tells us what is above the horizon and when. Choose a place before calculating the sky.

Location is used for sky calculations. Your profile stays in this browser; no account is required. City search and weather requests go directly to Open-Meteo. Normal links do not share your saved location. Observing guide

THE NIGHT IS YOURS

Your sky tonight

Choose your location to calculate tonight’s sky.

Visibility will be calculated from your location, equipment and observing conditions. The example setup is a starting point, not a claim about where you live or what you own.

Sun & twilight

Choose a location and observing date to calculate this information.

Moon

Choose a location and observing date to calculate this information.

Observing conditions

Choose a location and observing date to calculate this information.

Your setup

Choose a location and observing date to calculate this information.

A window into your sky

The interactive sky map shows calculated positions for your chosen time and location.

Explore the sky map

Plan a rewarding observing night

Tonight’s targets will appear after the observing date and location are known. Practical visibility depends on the horizon, Moon, weather and equipment; interesting targets are not guaranteed detections.

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Choose equipment and sky conditions

Learn how to observe

Explore the observing guides

162 nighttime observing guides, plus a separate Sun safety guide. These are catalogue entries, not a ranked list for tonight.

Browse every object guide