Julian Cooper:
Home-made spectroscope
Julian Cooper:
View through the "eyepiece" of the home-made spectroscope
Julian Cooper:
Spectrum of sunlight taken with home-made spectroscope
Julian Cooper:
Spectrum of sodium streetlight taken with home-made spectroscope
Julian Cooper:
Spectrum of Aldebaran type K5iii
Julian Cooper:
Spectrum of Gamma Cassiopeiae type B0 IVe
Julian Cooper:
Beta Cassiopeiae type F2 III-IV
Julian Cooper:
Spectrum of Alpha Cassiopeiae type K0 III labelled with comparison library spectrum
Julian Cooper:
Spectrum of Beta Ursae Minoris (Kochab) commented with library spectrum for comparison
Julian Cooper:
Spectrum of Alcyone (eta Tauri) type B7 IIIe with comparison library spectrum