Note to John Wellham. Hello John if you have been trying to contact us at Mexborough & Swinton Astronomical Society then please turn up at our meeting tonight , the address is on our website or phone our chairperson Les Marsden. His number is 01709 584217. The email address you provided did not exist.

Our member speaker cannot make it tonight so we are replacing him with a lecture from the Royal Institution. Thankyou.