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
Set observing location to calculate altitude, timing and practical visibility. This guide describes the object in general.
A red giant primary with a green-tinged companion. The colour contrast is
subtle and comes and goes with the primary's own slow variability, which
makes this a nice one to revisit on different nights.