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© Croydon Astronomical Society 2012 Croydon, Surrey, England, UK Registered Charity No. 251560

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Croydon Astronomical Society
est. 1956

Events

This page shows the programme of CAS and local astronomy events. You can include this CAS calendar in your personal Google calendar so you can be notified of updates and changes.

The BAA have a calendar showing night sky events and meetings.

Please check the recorded message on our Kenley Observatory telephone 020 8668 9642 for details of when the observatory will be open and information on the next lecture meeting.

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You can embed the CAS Calendar into your personal Google Calendar by searching the list of Google Calendars for 'Croydon Astronomical Society'. In doing this you can also set the notifications so you get an email or an SMS text message when the calendar changes or new events are added.

Please suggest additional items, corrections or comments to the CAS webmaster.

If you wish to contact us by telephone please call our observatory telephone on 020 8668 9642 where you can leave a message and we will contact you soon.

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Forthcoming Events

Summer BBQ/Picnic: Saturday 8th July 2017

Our annual BBQ/Picnic will be held at our observatory at Kenley on Saturday 8th July.

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Recent Events

Solar SUNday: Sunday 18th June 2017

Sunday 18th June from 2 pm, at our observatory at Kenley. Open to the public. The Sun is our closest star and good detail can be seen even in small telescopes, that changes by the moment.

Please note: this ‘open to the public’ event is organised by the society and several safety rules and guidelines apply. Looking at the Sun can be dangerous; all attendees must read the warning on this page.

Several telescopes were available to safely observe the Sun, some specialised to see the Sun in particular detail. It was a very successful event (details here).

Moon Evening: Sat 6th May 2017

Our moon will be in its first quarter and particularly suitable for viewing on Sat 6th May so we hope to host an observing session at Kenley Observatory. Large enough to see detail with any binoculars so please bring any equipment you may have to share along with our own.

Messier Marathon: March and April

This is an observing session to see as many Messier objects, mostly deep sky, as possible in one night. An open event; members and public; no need to book. More information, dates and support materials here.

Jupiter Evening: Sat 8th April 2017

The king of the planets will reach opposition (closest to Earth) on Sat 8th April so we will host an observing session at Kenley Observatory. This planet is large enough to see detail even with small telescopes so it’ll be a good idea to bring any you have so you’ll be able to see how this planet looks with your own equipment as well as ours.

Comet Evening: April 2017

Comet 41P/Tuttle-Giacobini-Kresak will be well placed and at its brightest so we host an observing session at Kenley Observatory on Sat 1st April. Please bring any binoculars so you’ll be able to see how the comet looks with your own equipment as well as ours.

Summer BBQ/Picnic and Solar Day: Sunday 27th August 2016

Our annual BBQ/Picnic was held at our observatory on Saturday 27th August which was combined with ‘workday’ maintenance and solar observing, from 11 am. Members brought along solar telescopes and there was plenty of sunshine.

The society provided the basic BBQ grill, salad, bread rolls and soft drinks, and members asked to bring anything else to supplement, such as burgers to cook on the stove.

As darkness fell the skies cleared even more and we had a good obsrving session.

This is a good opportunity to bring along any telescopes and other equipment and between the knowledgeable members we'll be pleased to devote time to advise with setup and observing etc.

Perseid Meteor Shower 2016

Our observatory at Kenley was open last night Thurs 11th August 2016 for the annual Perseid meteor shower (also open to the public). Many meteors were seen, especially after midnight. Details here.

Transit of Mercury 2016

The crossing of this planet across the Sun, Monday 9th May 2016. This is a rare opportunity that was successfully observed by many of our members, from our observatory at Kenley and further afield. Details and images here.

Kenley Observatory Openings

Our observatory at Kenley has been opened on the last few Saturdays in March 2016 when a total of 39 people saw the Moon, the planets Jupiter, Mars and Saturn and many deep sky objects, under very clear skies.

Heathfield Ecology Fair 2015, Sunday 20th September 2015, 11am - 5pm

Very similar to last year and a brief illustration of that is here. Our society had a stand and there was viewing the Sun on a sunny day with three solar telescopes.

Perseid Meteor Shower, Kenley Observatory, Wednesday 12th August 2015, 9 pm

Our observatory at Kenley will be open - also to the public - tonight Wednesday 12th August from 9 pm for the annual Perseid meteor shower. This is usually the largest shower of the year with a greater chance of fireballs and it peaks around the night of the 12th to 13th. We are fortunate that the Moon will be a thin morning crescent and will not affect viewing.

Summer BBQ/Picnic and Solar Day, Sunday 21st June 2015

Our annual BBQ/Picnic was held at our observatory on Sunday 21st June from 12 pm midday for our annual combined BBQ/Picnic and solar day. This was in conjunction with the international SUNday event across the world. We will have a variety of telescopes, some solar telescopes and members are encouraged to bring their own instruments and join in.

The society provided the basic BBQ grill, salad, bread rolls and soft drinks, and members asked to bring anything else to supplement, such as burgers to cook on the stove.

The day started at noon with solar observing immediately and then the BBQ was lit as soon as someone was hungry (which was soon as it was lunchtime; we had enough charcoal to last until late).

Facilities at the observatory are: hot water for drinks, wireless broadband and a portable type camping toilet with flush, located privately in a separate room.

As well as the usual white light telescopes we had three 60mm Hydrogen-alpha (Ha) telescopes, seeing prominences, the chromosphere and activity on the solar disc itself. We also had a Calcium K-line telescope to see the Sun in the violet.

This is a good opportunity to bring along any telescopes and other equipment and between the knowledgeable members we'll be pleased to devote time to advise with setup and observing etc.

Total eclipse in London, Sunday 3rd May 2015

The last one was 300 years ago on the 3rd May 1715.

Member Colin del Strother is a ‘London Blue Badge’/’City of London Guide’ and will host a couple of free astronomyrelated

guided walks in the City on this day starting from 10 am. Details here.

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Kenley Observatory Openings

 • Our observatory at Kenley will unfortunately not be open tonight Sat 24th June due to poor weather. Whenever open on a Saturday the public are welcome, just turn up. Details of what can be seen are on the Forthcoming Events section of the Events page.

 • We had a very successful solar observing SUNday event last Sunday 18th June (details here). The opportunity to repeat it this Sunday 25th June will unfortunately not be realised due to bad weather.

Location, facilities and notification of all openings are given here.

Meetings at the Royal Russell School

 • The next meeting at the Royal Russell School is on Friday week 7th July at 7:45 pm, when we welcome Dr Peter Grimley who will speak to us on: Discs and Rings. More details here.

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