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cloak-of-the-owl
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Cloak of the owl | Astronomy Magazine
Massimo Di Fusco, taken from Ferrara, Italy Surrounding the familiar visage of the Owl Nebula (M97) in Ursa Major is a much fainter, rarely seen outer shell of emission from ionized oxygen. This imager captured it with an 8-inch scope at f/4.8, taking 32 hours of data with an Hα/OIII dual-band filter, plus an additionalContinue reading “Cloak of the owl”
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2024-07-15
2024-07-15
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Massimo Di Fusco, taken from Ferrara, Italy
Surrounding the familiar visage of the Owl Nebula (M97) in Ursa Major is a much fainter, rarely seen outer shell of emission from ionized oxygen. This imager captured it with an 8-inch scope at f/4.8, taking 32 hours of data with an Hα/OIII dual-band filter, plus an additional 14.9 hours with a light-pollution filter.
