CCD Images of Selected Planetary Nebulae
- 1 January 1989
- journal article
- Published by Cambridge University Press (CUP) in Symposium - International Astronomical Union
- Vol. 131, 172
- https://doi.org/10.1017/s0074180900137805
Abstract
Direct interference filter CCD frames of a number of northern planetary nebulae were obtained at the Cassegrain focus of the 182-cm telescope of Asiago Astrophysical Observatory (Italy).Keywords
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