Astronomy and Astrophysics – Astrophysics
Scientific paper
Jul 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981a%26a...100...66w&link_type=abstract
Astronomy and Astrophysics, vol. 100, no. 1, July 1981, p. 66, 67. Research supported by the Oesterreichischer Fonds zur Foerder
Astronomy and Astrophysics
Astrophysics
7
Astronomical Photography, Interference, Optical Filters, Planetary Nebulae, Brightness, Variable Stars
Scientific paper
Interference filter photographs in H +[N II] and 5007 Å
([O III]) enabled us to find six new very faint planetary nebulae,
tentatively identified on the POSS. In two nebulae central stars were
found; one might be a variable.
Sabbadin Franco
Weinberger Ram
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