September 2020 Bonus Content

Access this month's Bonus Content.

Virtual Planetarium

Pete Lawrence and Paul Abel guide us through September’s night-sky highlights.

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Interview: A new mission to Triton

Planetary scientist Louise Prockter reveals her proposed mission to send a spacecraft to Neptune’s largest moon.


Audiobook preview: Science of Sci-Fi

Are artificial gravity and time travel possible? Listen to two lectures from a new audio book on the science of sci-fi.

Download Artificial Gravity (wav)

Download Time Travel (wav)


Binocular and deep-sky tours

Download this month’s binocular and deep-sky tour charts. The charts are printed in black on white so they can be viewed under red light at your telescope.

Binocular Tour (PDF)

Deep-Sky Tour (PDF)


Southern Sky Chart

Download our sky chart for observers in the southern hemisphere.

Download (PDF)


Observing forms

Record your observations of Jupiter, Mars, Saturn, Venus and the Sun with our handy printable forms.

If you observe the Sun, remember NEVER to look at it with your naked eye; either project it through your telescope or use a solar filter on your telescope’s front lens.

Jupiter (PDF)

Mars (PDF)

Saturn (PDF)

Venus (PDF)

The Sun (PDF)


DIY Astronomy

Download extra materials to help with this month’s DIY Astronomy project.


Readers’ gallery


Eye on the sky