BBC Sky at Night

Eyepiece expectations

There’s a key moment in stargazing, after you’ve set up your kit and honed in on a target, when you first lean in to the eyepiece to take in the view. For experienced observers this can be the point where you set eyes on an old celestial friend, but for beginners it can be a challenge to expectations – when the glittery renditions of astronomical objects viewed online and in print meet the reality of a view through an actual instrument.

This difference between the visual appearance of celestial phenomena and astrophotos, even when using fairly large aperture telescopes, is probably one of the biggest learning experiences for anyone starting out. This month, we’re exploring a selection of night-sky sights to give newcomers an idea of what to expect when you glimpse them for the first time. None of this means visual observing is any less interesting; we hope, instead, that our descriptions here will help inspire a sense of reality to ensure those early observing memories are full of wonder.

Will Gater is an astronomy journalist and science presenter. His latest book, The Mysteries of the Universe, is published by DK

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