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Eyepiece Simulator

Celestron NexStar 8SEWhirlpool

Telescope

Looking through

Apertura Super Wide Angle 15mm

136× • 31′ • 1.5mm exit pupil

★ Frames both the spiral and its companion with enough scale to hint at the arms.

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

← 31′ → true field

70° apparent field

M51

Excellent fit· Apertura Super Wide Angle 15mm on the Celestron NexStar 8SE

Why this eyepiece?

A face-on spiral — its companion NGC 5195 is visible as a second smudge even in modest apertures.