[/caption]. Amateur astronomers are a unique species worthy of their own reality TV show. Their craftsmanship, resourcefulness, dedication.
From its beginnings in the early 19th century, spectroscopy — the analysis of starlight by wavelength — has unlocked a treasure-trove of.
Spectroscopy is one of the most enjoyable pursuits in astronomy and physics. The lure A very effective spectrograph of this type can be made by any amateur .