September 2021 Bonus Content

Access this month's Bonus Content.

Access this month’s Bonus Content. If you are having trouble with any of the download links, right-click on the link, select ‘Copy Link Address’ and paste the link in a new window in your web browser.


Virtual Planetarium

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

Interview: The world’s largest radio telescope

Astrophysicist Carole Mundell on how the Square Kilometre Array will reveal the secrets of the cosmos

DIY Astronomy

Download our table of measurements to help with this month’s DIY Astronomy project

Download (XLSX)

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)

Readers’ Gallery