Synopsis:

Astrophotography blends art, science, and engineering to reveal the hidden beauty of the night sky.
This talk explores how modern amateurs capture faint galaxies and nebulae using sensitive cameras, specialized filters, and precise tracking mounts.

We’ll look at how concepts like gain, exposure, and focal ratio apply beyond normal photography, and why narrowband imaging is key to recording detail invisible to the naked eye.
The presentation also examines the technology behind mounts and guiding systems that keep stars perfectly sharp during long exposures, and the digital processing that transforms hours of raw data into striking images of the cosmos.

About the Presenter:

John Nedelcu is a mechanical design engineer at Eaton who began his journey into astrophotography in 2022. Combining a lifelong interest in space exploration and photography, he quickly discovered the hobby’s steep learning curve — balancing software and hardware troubleshooting, cold nights, custom tool design, and plenty of lost sleep. Despite the challenges, he finds it deeply rewarding to capture and share the hidden beauty of the universe that few ever get to see.

Refreshments from 6:45pm.
The presentation will be followed by an opportunity for informal discussion and conversation over a buffet supper. A donation of £2 per person is requested as a contribution to costs.

Members, non-members and guests are most welcome.