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Fig. 1


Example spectra of BD +60 73 taken with different instrument configurations. Major spectral features are indicated as well as prominent interstellar lines (ISL) and diffuse interstellar bands (DIB). The narrow emission features are residual cosmic rays that were failed to be removed during reduction. Top left: DDO 1800 G, top right: DDO 1800 G, bottom left: DDO 600C, bottom right: KPNO Coudé.

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