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The Medusa Nebula |
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About This Photograph
This planetary nebula in the constellation of Gemini was discovered in 1955. Like all planetary nebulas – so named because they looked like planets in early telescopes – it consists of the outer layers of a dying star, shed slowly into space near the end of its life. The exposed hot core of the star shines strongly in the ultraviolet spectrum, causing the expanding shell of gas to glow due to fluorescence.
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Related Photographs
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The Medusa Nebula in Elemental Colors |
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Technical Details |
| Optics: | PlaneWave 14" CDK | | Camera: | QHY600M | | Mount: | Paramount ME II | | Filters: | Chroma R, G, B, and 3nm [SII], Hâº, [OIII] | | Dates/Times: | 6 January - 8 February 2021 | | Location: | RC-Astro North Observatory at New Mexico Skies | | Exposure Details: | RGB = 3.8 hours, [S II]:Hα:[O III] = 19 hours | | Acquisition: | MaxIm DL 6, ACP Expert | | Processing: | PixInsight, Photoshop | |
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