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Spectroscopic Atlas for Amateur Astronomers 6
30 Telluric Molecular Absorption ..............................................................................174
31 The Night Sky Spectrum ........................................................................................178
31.1 Introduction .........................................................................................................................................178
31.2 Effects on the Spectrum ....................................................................................................................178
31.3 Countermeasures ...............................................................................................................................178
31.4 Comments to Table 96 ......................................................................................................................178
32 Terrestrial Light Sources .......................................................................................180
32.1 Spectra of Gas Discharge and Calibration Lamps ........................................................................180
32.2 Spectra of Gas Flames.......................................................................................................................190
32.3 Spectra of Terrestrial Lightning Discharges ..................................................................................192
33 Spectral Classes and – ܑܖܑܛܞValues of Important Stars .................................194
34 Required Ionisation Energies for the Individual Elements ..............................197
35 Bright Planetary Nebulae sorted by Excitation Classes...................................198
36 Terminology of the Spectroscopic Wavelength Domains ...............................199
37 Positions of the Atlas-Stars in the HRD ..............................................................200
38 Assignment of Spectral Classes to the B–V Colour Index...............................201
39 Appendix ..................................................................................................................202
39.1 Constellations .....................................................................................................................................202
39.2 Periodic Table of Elements ...............................................................................................................203
39.3 Some Excerpts of Historical and up to date Spectral Atlases ....................................................204
39.4 Instruments .........................................................................................................................................207
40 Bibliography and Internet......................................................................................208
