... nebulae[*]
Based on observations taken at the Observatoire de Haute-Provence, France, and at the Observatoire du mont Mégantic, Canada.
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...[*]
Present address: Instituto de Astrofísica de Canarias, Calle Vía Láctea s/n, 38200 La Laguna, Spain.
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...[*]
Killam Fellow of the Canada Council for the Arts.
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... MIDAS[*]
http://www.eso.org/projects/esomidas/
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... IRAF[*]
IRAF is distributed by the National Optical Astronomy Observatories, operated by the Association of Universities for Research in Astronomy, Inc., under cooperative agreement with the National Science Foundation. http://iraf.tuc.noao.edu/
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Copyright ESO 2001