DIY Spectroheliograph Now Available
Christian Buil is a wonder. This Frenchman amateur astronomer has been a driving force behind a number of excellent amateur spectroscopy projects and products such as the instruments sold by…
Your one-stop shop for info on open source and community supported astronomy tools!
Christian Buil is a wonder. This Frenchman amateur astronomer has been a driving force behind a number of excellent amateur spectroscopy projects and products such as the instruments sold by…