Advice

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Summer stargazing

Keep your binoculars steady with a mount that faces down to look up. Image Credit: Will Davis

How to make a binocular mirror mount

Plumbing fittings and bespoke clamps attach your mobile to your scope. Image Credit: Mark Parrish

Build a smartphone holder for your telescope

Build polarscope adaptor

Build a right-angled polarscope adaptor

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See and image the 21 January 2019 lunar eclipse

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How to clean binoculars

Royal Observatory Greenwich astronomer Tom Kerss. Image Credit: Tom Kerss

Astrophotography

How to photograph the night sky

The top two images show a simulated Airy disk, appearing as a series of concentric rings. The bottom two show coma aberrations. Image Credit: Steve Richards

Optical aberrations: how to fix errors in your telescope

The rocket ready for lift off: stamp hard on the bottle and your spacecraft will go flying. Image Credit: Jo Richardson

How to build a stomp rocket launcher

New astronomy kit for a new year

Woman with telescope under winter night sky

10 common astronomy mistakes

Celestial coordinates

A guide to celestial coordinates

The completed shutter mounted on its own tripod and positioned beside a camera. Image Credit: Mark Parrish

Build a rotating meteor shutter

How to tweak your star trail images

Astrophotography

How to fine tune star trail images

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Observe and record the Geminid meteor shower