General Guides

There’s a logic behind how our Moon appears night after night

There’s a logic behind how our Moon appears night after night, and where it is located in the sky at any one time. Read our guide to the phases of the Moon.

The alternative to long, single exposures when capturing deep-sky objects

Why is stacking vital for astrophotography? It's the alternative to long, single exposures that will best capture deep-sky objects.

Learn how to identify the errors that can occur in your telescope’s optics

Learn how to identify the errors that can occur in your telescope’s optics.

Eyepieces may be smaller than telescopes, but they’re the key to observing

Eyepieces may be smaller than telescopes, but they’re the key to observing.

How spiral, elliptical and other galaxy ‘morphologies’ are formed

How spiral, elliptical and other galaxy ‘morphologies’ are formed.

Sidestep these stargazing errors and become a seasoned observer

New to astronomy? Sidestep these errors to become a seasoned observer.

Space is so vast it’s measured in specialised units. So what are they?

Space is so vast it’s measured in a number of specialised units. So what are they?

There’s more than one way to locate a star, but you only need to know two

There’s more than one way to locate a star, but you only really need to know two.

What you need – and need to know – to start taking your first astro images

What you need – and need to know – to start taking your first astro images 

Galileo gets the credit, but did he see Jupiter’s largest moons first?

Galileo gets the credit, but did he actually see Jupiter’s four largest moons first?

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