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Croydon Astronomical Society
est. 1956

Meetings

Meetings are held at the Royal Russell School, Coombe Lane, Croydon, Surrey CR9 5BX, start at 7:45 pm and finish around 10 pm.


Our society is a registered charity. We do not charge a mandatory admission or membership fee, instead relying on voluntary donations by the following methods:


We try to structure the meetings to appeal to our members and guests of all levels, from beginner to expert. They normally consist of an introductory talk by one of our members, society news, or an observers section; then a refreshment break followed by the main lecture where the speaker presents a more in-depth talk. A small nominal charge is made for refreshments.

Friday  

2nd Sept 2016

We are now into our summer break so the next meeting at the Royal Russell School will be on Friday 2nd Sept at 7:45 pm. Details will be posted soon, meanwhile the talks over the last year are still listed below for reference until replaced.

Schedule

All our regular school meetings are on a Friday evening. The forthcoming dates are below:

---------------------------------  Summer break 2015  ---------------------------------

 • 11 Sep,  25 Sep,  9 Oct,  23 Oct,  6 Nov,  20 Nov,  4 Dec,  18 Dec 2015

--------------------------------  Christmas break 2015  --------------------------------

 • 8 Jan,  22 Jan,  5 Feb,  19 Feb,  4 Mar,  18 Mar 2016

-----------------------------------  Easter break 2016  ----------------------------------

 • 8th Apr,  22 Apr,  6 May,  20 May,  3 Jun,  17 Jun,  1 Jul,  15 Jul 2016

---------------------------------  Summer break 2016  ---------------------------------


The following talks have been confirmed, more to follow soon:

 • Dec   18 - Christmas Meeting: Quiz - party.

--------------------------------- Christmas break 2015 ---------------------------------

 • Jan             8 - Alphabet of Astronomy, 3 talks on a subject beginning with the letter Z.

 • Jan      22 - Norman Walker: Astronomical News and Discoveries + Ask an Astronomer Q&A.

 • Feb           5 - Dr Paul A Daniels, FRAS:No Sultan's Turret.

 • Feb    19 - Graham Cluer: Other Stuff in the Solar System.

 • Mar           4 - James Fradgley: Orbital Oddities (main talk at 8 pm).

 • Mar    18 - Konrad Malin-Smith: Binary Stars.

------------------------------------- Easter break 2016 ------------------------------------

 • Apr            8 - Roy Easto: Physical processes in the Solar System.

 • Apr     22 - William Joyce: Interacting and active galaxies.

 • May       6 - Annual General Meeting.

 • May 20 - Ellis Owen: The first Stars and Galaxies, and the Epoch of Cosmic Reionisation.

 • Jun          3 - Guy Hurst: Comet Observing visitors to our Solar System (main talk at 8 pm).

 • Jun    17 - Matthew Hepburn: Nucleosynthesis in the light of collective empirical study of nuclei.

 • Jul                1 - Exhibition Meeting: Members exhibit Images and Equipment etc.

 • Jul     15 - Peter Bassett: Apollo 8 Mission (main talk at 8 pm).

----------------------------------- Summer break 2016 -----------------------------------

 • 2 Sep,  16 Sep,  30 Sep,  14 Oct,  28 Oct,  11 Nov,  25 Nov,  16 Dec 2016

Schedule detail

There are speakers pledged to give talks, and more details of these will appear on this page, Facebook, and on our forum croydonastro as soon as they are determined and also given at the meetings and the regular email notification to members.

Friday

18th Mar 2016

The next meeting at the Royal Russell School is tonight Friday 18th Mar at 7:45pm when we welcome Konrad Malin-Smith who will speak to us on: Binary Stars. Multiple stars systems are the best way to analyse some stellar parameters; using gravity to determine distance and mass etc. and important objects in astronomy.

Please note: this main talk will be in two halves, before and after the break, beginning around 8:20 pm and with the refreshment break from 9 pm to 9:20 pm.

Up to the start of the main talk there will be some astronomy news, events and observations, some from our own members.

Friday

4th Mar 2016

We welcome James Fradgley who will present a talk entitled: Orbital Oddities. He will explain the strange goings-on with 3 or more bodies, Lagrange points, resonances, rings, Roche limits and lobes, orbital and rotational resonances and lots of odds and ends, all with simulations. Orbital stability is required for our long-term survival and yet other features add to the richness of nature's structure. (Please NOTE his main talk starts at the earlier time of 8 pm with the refreshment break just after 9 pm)

After the refreshment break there will be some astronomy news, events and observations, some from our own members.

Friday

19th Feb 2016

We welcome member Graham Cluer who will present a talk entitled: Other Stuff in the Solar System. We think of the solar system as the Sun and planets; this talk is about the other stuff in the solar system, in particular meteoroids, comets and asteroids. Without getting too technical Graham's talk will include where they came from and what they are made of.

The shorter talk before the refreshment break will be Roy Easto on 'Gravity Waves', a topic where some exciting news has just been announced.

Friday

5th Feb 2016

We welcome Dr Paul A Daniels, FRAS who will present to us a talk entitled: No Sultan's Turret. This talk will describe the effects of light on the motions of dust particles and minor bodies within the solar system. It is also involved in research related to one method of deflecting small bodies on a collision course with earth.

Before the refreshment break there will be some astronomy news, events and observations, some from our own members.

Friday

22nd Jan 2016

We welcome Norman Walker, a retired professional astronomer, who will present after the refreshment break in two parts. The first part will be a talk on recent Astronomical News and Discoveries, and the second part will be in the form of an Ask An Astronomer question and answer session, where members are invited to ask questions that will be answered from his many years of expertise and experience (so a good time to think of questions for the evening).

The shorter talk before the refreshment break will be Roy Easto on Space missions in 2016, and we look forward to their results in due course.

Friday

8th Jan 2016

Tonight we continue a popular theme for our Royal Russell School meetings, where we have three speakers, each presenting a talk where the subject begins with the same letter of the alphabet, and we now reach the letter Z. The subjects, all astronomical, will be presented after the refreshment break and before the break there will be some astronomy news, events and observations, some from our own members.

_____________________________________________________________


There are no meetings in August.


Details of our meetings are also available on the CAS Web Calendar found on the home page. Using this calendar you can set up email or SMS text alerts to remind you of the lecture times.

Friday

18th Dec 2015

Tonight Friday 18th Dec is our Christmas and last meeting of 2015, and as every Christmas meeting the format is different from the usual.

It's informal and the main feature, after the break, will be a fun event with various television style quiz programmes and based on the subject of astronomy, with rounds and questions. There will be some audience participation and Roy Easto will be chairing the quiz and asking the questions, which will also be illustrated on the screen with a combination of photos, videos and music.

As in previous meetings we ask members to bring some festive food and drink to share amongst ourselves, and the break will be longer than usual. After the break the food and drink will be moved into the room during the quiz.

Before the refreshment break there will be some astronomy news, events and observations, some from our own members.

Friday

4th Dec 2015

This Friday we welcome Paul Coleman, who will be talking on the subject of Return to the Auroras around Yellowknife. Auroras are a prime vista of nature, an astronomical feature in our own atmosphere, and Paul uses quality cameras and very good techniques to take excellent images, all with explanations and more.

PLEASE NOTE that on this occasion this main talk will start at 8 pm, immediately following the introduction and before the refreshment break.

After the refreshment break there will be some astronomy news, events and observations, some from our own members.

Friday

20th Nov 2015

This Friday we welcome again an experienced speaker, Matthew Hepburn, who will be talking on the subject of Nucleosynthesis in the light of collective empirical study of nuclei. His talk will specifically explain the abundance of elements that are produced as a result of Nucleosynthesis inside large stars and their resultant supernovae.

This will be immediately following the break.

Immediately after the introduction there will be some astronomy news, events and observations, some from our own members.

Friday

6th Nov 2015

For this Friday's meeting the main talk will be by William Bottaci, on Basic Astronomical Imaging; a handbook styled talk from experience, from first steps to showing what can be achieved without too much trouble or expense. Explanations will include pitfalls and simple steps required to avoid them.

Along the way there will be some armchair astronomy as we visit some of the objects imaged.

The shorter talk before the break will be by the life-long and experienced member Roy Easto, who will be speaking on Sextants; an instrument from the early days that is still in use today.

Friday

23rd Oct 2015

For this Friday's meeting we welcome award winning astronomer Jeremy Workman who will present the main talk ‘Curiosity on Mars’. Since landing over 3 years ago this rover has exceeded its operational lifetime and has made some remarkable recent discoveries.

Jeremy Workman is an astronomical society chairman and winner of the Eric Zucker Award from the FAS 2009 for his work and outstanding contribution to the popularisation of astronomy.

Immediately after the introduction there will be some astronomy news, events and observations, some from our own members.

Friday

9th Oct 2015

For this Friday's meeting we welcome Alan Drummond, a long standing CAS Member and experienced observer, who will be presenting a talk entitled 'Globular Clusters'. These comprise of the galaxy's oldest stars, and whilst their true origins are still not fully understood there have been some recent developments.

Immediately after the introduction there will be some astronomy news, events and observations, some from our own members.

Friday

25th Sept 2015

We welcome for the first time Dr Licia Ray of the Mullard Space Science Laboratory, MSSL, with a talk on 'Auroras Abound: Comparing the Northern Lights of Earth, Jupiter and Saturn'.
Other planets of the solar system that have magnetic fields have exhibited their own auroras, and we discover the similarities and differences of these phenomena.

Immediately after the introduction there will be some astronomy news, events and observations, some from our own members.

Friday

11th Sept 2015

We start our new season at the Royal Russell School with the return of the energetic and very illustrative speaker Greg Smye-Rumsby of 'Astronomy Now' magazine and the Royal Observatory, who returns to speak on a recently updated subject of 'Pluto'.

Following NASA's New Horizons spacecraft encounter with Pluto last July we suddenly have a lot more information and accompanying images of this once outlying planet.

Immediately after the introduction the short talk will be on Planetary Nebulae, the end state of stars similar to our Sun.

Friday

15th July 2016

The next meeting at the Royal Russell School is tonight Friday 15th July at 7:45pm when we welcome Peter Bassett FRAS who will speak to us on the Apollo 8 Mission. Please note that as the speaker is travelling some distance the main talk will start at 8 pm.

The very first manned mission to the moon, the crew was the first to fly the mighty Saturn V rocket, the first to leave the Earth's gravity and magnetic field, the first to see the back of the moon, the fastest humans alive, smashed the altitude record ... the list of achievements go on. With illustrated models, and props Peter explains how amazing this record breaking mission was.

The short talk after the refreshment break is by our chairman Tony Roberts, on Ramblings.

Friday

1st July 2016

The next meeting at the Royal Russell School is tonight Friday 1st July at 7:45pm when we hold our annual Exhibition meeting. An opportunity for us to display and share our images, digital or on paper, taken throughout the last year (or earlier if not shown before), plus any equipment to show and techniques to illustrate. accompanied by explanations of how they were taken, and will show that the techniques do not necessarily need be advanced to get satisfactory and pleasing results. This will be a good time to enquire on telescopes and observing techniques etc. Please submit any images you like to share; all are welcome.

This will occupy the whole meeting with the refreshment break in the middle as usual.

Friday

17th June 2016

The next meeting at the Royal Russell School is this Friday 17th June at 7:45pm when we welcome the experienced speaker Matthew Hepburn, who will continue with the talk he gave last November but ran out of time. A big subject and at the heart of modern astronomy: 'Nucleosynthesis in the light of collective empirical study of nuclei'. His talk will specifically explain the abundance of elements that are produced as a result of nuclear fusion inside large stars and their resultant supernovae.

This will be at the usual time of 8:50 pm immediately following the refreshment break.

After the Introduction and before the refreshment break the short talk by Graham Cluer will be on: 'Four guys meet in a pub', his personal experience of the Astrocamp which is held twice each year in a dark skies site in Wales.

Friday

3rd June 2016

The next meeting at the Royal Russell School is this Friday 3rd June at 7:45pm when we welcome once again a speaker who is a former president of the British Astronomical Association (BAA), the 2005 RAS award winner for services to astronomy, and editor of 'The Astronomer' since 1975. Guy Hurst will speak on: Comet Observing: visitors to our Solar System. Please note that for this meeting the main talk is an hour earlier, starting at 8 pm.

The main talk will start at 8 pm, immediately after the Introduction. Afterwards there is the refreshment break and then the shorter talk by Alan Drummond on the New General Catalogue of deep-sky objects.

Friday

20th May 2016

The next meeting at the Royal Russell School is this Friday 20th May at 7:45pm when we welcome Ellis Owen, a PhD Student of the Astrophysics Group of the Department of Space and Climate Physics, University College London and Mullard Space Science Laboratory. The talk is on: The first Stars and Galaxies, and the Epoch of Cosmic Re-ionisation.

The early universe was dark and the emergence of the first stars gave rise to the appearance of the first light in the cosmos, which began to heat up and ionise the surrounding gas with X-rays, Gamma-rays and other radiation, particularly with stellar end-products such as accreting binaries, supernova remnants and jets. A billion years later the Universe was in a period known as the Epoch of Re-ionisation. Modern astronomers are beginning to observe this important time in cosmic history, and the scope of future deep-field observations with existing and up-coming optical, ultra-violet and radio telescopes.

After the introduction and before the refreshment break there will be some astronomy news and observations, particularly of the recent transit of Mercury from our members.

Friday

6th May 2016

The next meeting at the Royal Russell School is tonight Friday 6th May at 7:45pm when we hold our Anual General Meeting. The agenda, appendices and minutes of the AGM last year will be as handouts at the meeting. After the AGM we will include some astronomy, either in the form of a talk, news, photographs, short films or answering questions etc. if you would like to share anything, even if just a mention, please do so. There will be further information with other details soon.

As always the AGM portion of this Friday meeting can only be participated by members, whereas guests are welcome as usual during the rest of the meeting.

Friday

22nd Apr 2016

The next meeting at the Royal Russell School is this Friday 22nd Apr at 7:45pm when we welcome William Joyce FRAS, Chartered Physicist, a Local Astronomer and Astro Geologist. His talk in entitled: 'Interacting and active galaxies'. He will illustrate interactions such as collisions, highly active galaxy cores, and provide a glimpse of research into the public domain with new content, yet not too technical.

After the introduction and before the refreshment break there will be a first hand account of the solar eclipse of the 8th March 2016 in the Pacific, by Bill Lumb.

Friday

8th Apr 2016

The next meeting at the Royal Russell School is tonight Friday 8th Apr at 7:45pm when we welcome Roy Easto who will speak to us on: Physical processes in the Solar System. The talk focuses on the small number of physical processes that govern the formation of the planets and their moons and see how, with only slightly different initial conditions, give rise to the wide ranging variety of surfaces, atmosphere and environments that we observe today.

After the Introduction and before the refreshment break the short talk by Konrad Malin-Smith will be on the Z Boson, a relatively recently discovered elementary particle of particular interest.

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