... Nebula

Based on observations carried out at Asiago and Teramo Observatories, Italy.

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...

Photometry is only available in electronic form at the CDS via anonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5) or via http://cdsweb.u-strasbg.fr/cgi-bin/qcat?J/A+A/419/149

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... IRAF

IRAF is distributed by NOAO, which are operated by AURA under cooperative agreement with the NSF.

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... 2002

www.pd.astro.it/Asiago/5000/5100/5100.html

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... DSS-2

Second generation Digitized Sky Survey, http://cadcwww.dao.nrc.ca/cadcbin/getdss

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