Observing Guide

Astronomy

On almost any night at mid-northern latitudes, one or more of Jupiter’s four bright Galilean moons—Io, Europa, Ganymede, and Callisto—are usually visible in small telescop...

Astronomy

Whether Jupiter is visible right now depends on your exact time, location, local horizon, atmospheric clarity, and whether twilight or daylight obscures it. Jupiter is bright en...

Astronomy

The Perseid meteor shower is an annual display of small particles left by comet 109P/Swift–Tuttle entering Earth’s atmosphere, usually peaking around mid-August. For observe...

Astronomy

October 2017 featured several meteor showers, with the Draconids peaking around October 8 and the Orionids around October 21–22. Observers in the evening hours had the best ch...

Astronomy

A comet approaching mid to late October 2026 has astronomers tracking its brightness and orbit. This comet is a dynamically new visitor from the distant Oort Cloud, meaning it i...

Astronomy Explained

A planetary parade in 2025 refers to a notable but modest alignment of several visible planets in the evening or morning sky, offering sky-watchers a chance to see multiple plan...

Astronomy

Neptune at opposition occurs when the planet is opposite the Sun in Earth’s sky, placing Earth directly between Neptune and the Sun. This configuration makes Neptune visible a...

Astronomy

Jupiter tonight is best understood as a predictable celestial event shaped by orbital mechanics, Earth’s rotation, and local observing conditions rather than a sudden or uniqu...