These are my first attempts at photographing stellar spectra, encouraged by a suggestion from Jack Martin, who showed me pictures he had taken using a similar grating and camera arrangement. The spectrum is allowed to drift across the camera chip more or less … Continue reading
I’m currently experimenting with the Star Analyser diffraction grating, inspired by Jack Marin, who showed me an amazing high-resolution view of the solar spectrum, with hundreds of absorption lines visible, through his LIRES III high-resolution spectroscope when he visited. Visually, … Continue reading