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Eyepiece Simulator

Celestron NexStar 8SEJupiter

Telescope

Looking through

Baader Hyperion 17mm

120× • 34′ • 1.7mm exit pupil

Jupiter sits small in this field — a shorter eyepiece brings out the cloud belts.

Eyepieces

Wide field

Widest views — large nebulae & open clusters

General

Everyday deep-sky & the Moon

Planetary

Planets, double stars & fine detail

›Very high power(10) · Rarely usable — needs exceptional seeing

← 34′ → true field

68° apparent field

Jupiter

Poor fit· Baader Hyperion 17mm on the Celestron NexStar 8SE

Why this eyepiece?

Try a shorter focal length eyepiece for more detail

Cloud bands and the four Galilean moons are visible in almost any telescope.