This page shows a brief summary of what interesting things we can see in the sky this month.
A more detailed version of the 'What's Up' this month is available as a downloadable PDF document right at the bottom of this page.
September brings about the start of Autumn, arguably the best time for observing, with dark skies by nine and weather that keeps you warm enough for hours of viewing. Highlights for this month include Pleiades and Orion emerging.
Remember to never look at the sun with a telescope, at worst you might blind yourself, at best you’ll melt your telescope! If you are interested in Solar viewing, speak to our members, we have special equipment to help you! If you do not have a solar scope, watch using Solar and Heliospheric Observatory (SOHO) or SDO.
The phases of the Moon are as follows:
Darkest skies due to lack of moonlight are during the week of 12th to 18th September.
Apogee on the 12th at 226,485 miles, Perigee on 28th at 251,379 miles
Tricky viewing, but best on the 22nd of September at 5:45 am low in the East.
Venus, getting higher each morning, best on the 30th of September, 25 degrees high in the East.
Mars is too close to the Sun for observation this month.
Jupiter, rising about 10:00 pm and then visible all night. Can reach height of 52 degrees.
Saturn was recently at opposition, is also visible all night in Capricorn.
Uranus is almost at opposition in Aries, so is visible all night and visible in binoculars with a magnitude of 5.9.
Neptune is at opposition on September 19th, visible all night at magnitude 7.8.
Newly discovered comet, Nishimura, is becoming increasingly bright as it heads from Leo
across to Virgo throughout the month.
The Alpha Aurigids peak on the 1st, the Piscids peak on the 8th and again on the 21st, and the
Delta Auririds peak on the 29th of September.
In the South you will find;
In the North, circumpolar objects include:
The next episode of The Sky at Night will air on BBC Four on Monday 11 September 2023 at 9.30pm and will get a behind-the-scenes look at the Very Large Telescope. Here are all the past episodes that are available to watch, in case you missed any: BBC4 The Sky At Night
Clear Skies !