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Optical Discovery of New and Candidate Galactic Supernova Remnants Plus Optical Imaging of the Monogem Supernova Remnant

Fesen, Robert A. et al.
arXiv (All) · Papers
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astrophysics-of-galaxieshigh-energy-astrophysical-phenomena
We report the discovery of new and candidate Galactic supernova remnants made through over 2000 hours of H$α$ and [O III] imaging using amateur class instrumentation. These nebulae range from 0.5 to over 8 degrees in size. Five of these, namely G27.8-17.1, G115.6+9.2, G190.5+25.3, G195.9+2.2 and G23
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