text & images copyright - Maurice Gavin 2002
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2002 Oct 18: after followup spectra of Nova 2002 Sgr#3 a further selection of lo-res spectra [dispersion 50A/pixel] of stars in Sgr and Cas including carbon star AQ Sgr. The Telluric A absorption line in deep red marked together with Ha + Hb lines - in emission for g Cas. R Cas is essentially an IR object largely invisible to the eye.
text & images copyright - Maurice Gavin 2002