In “The Company of Hedgehogs: Astro-imaging from your garden” Dr Grant Privett will describe how the depiction of astronomical objects has a long history, extending from cave paintings through drawing, Daguerreotypes, emulsion photography and image intensifiers. It has culminated recently with a rapid growth in the availability of cooled Charge-Coupled Detectors and/or Digital Single Lens Reflex cameras similar to the Canon EOS 550, which boasts large format CMOS based light detectors.
The use of such cameras at affordable prices, combined with modern commercial GOTO telescopes, provide the capability of imaging anything the Palomar 200” telescope ever photographed and more besides. Imaging From your back garden you can now encompass anything from the International Space Station to a quasar more than 11 billion light years away.
Consequently, for a relatively small outlay of money, today’s amateur astronomer can take beautiful and diverse images of the night sky or, if the mood takes them, participate in useful astronomical research programmes including: discovering extragalactic supernovae, monitoring cataclysmic variables, imaging storms on Jupiter or documenting solar prominence activity. The universe is yours for the viewing.
Coffee will be available from 7:00pm and the talk starts at 7:30 pm. Attendance is free but please reserve tickets by emailing firstname.lastname@example.org