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CCD Spectroscopy: How these Spectra were Taken
Quasar 3C 273
Z UMa: Red Variable
Variable Star 0749+22C VAR NE
GSC 3600:183
Enif: Type K2Ib Variable Star
M-42: The Orion Nebula
NGC 3242: The Ghost of Jupiter
M57: The Ring Nebula
Vega, Alpha Lyr, SAO 67174, Type A0Vvar
Altair, Alpha Aql, Type A7 V-IV
Regulus B7V
Quasar 3C 273
Gamma Gem A0iv
R CNC Type M6e-M9e Mira-Type Variable
R CMI: Type SEP(CE) Mira-Type Variable
Sol: Our Sun’s Spectrum
Exeter WX
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20181207_46pwirtanen_stack_b
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