Abstract
New observations of the planetary nebula A 79 using selective interference filters (Δ λ ≤ 10 Å) are reported. Thanks to the large field of view (< 11″5) offered by the Observatoire de Haute Provence 120-cm telescope we were able to discover a new extended feature close to A 79.
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Chon-Trung, H., Martinis, J. The Planetary Nebula A 79 Revisited: Discovery of a Large Emission Nebula. Astrophysics and Space Science 281, 777–784 (2002). https://doi.org/10.1023/A:1016392021277
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DOI: https://doi.org/10.1023/A:1016392021277