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dust-on-dust
https://www.astronomy.com/picture-of-the-day/photo/dust-on-dust/
Dust on dust | Astronomy Magazine
Lynn Hilborn from Grafton, Ontario The origin of the reflection nebula vdB 9 in Cassiopeia is the Cepheid variable star SU Cas; its blue light is reflected by surrounding dust, which are themselves partially shrouded by thicker dust clouds. This image represents 5 hours of exposure on an 8-inch scope in RGB filters.
https://www.astronomy.com/uploads/2024/11/image_123650291-1568×2273.jpg
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2024-11-11
2024-11-11
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Lynn Hilborn from Grafton, Ontario
The origin of the reflection nebula vdB 9 in Cassiopeia is the Cepheid variable star SU Cas; its blue light is reflected by surrounding dust, which are themselves partially shrouded by thicker dust clouds. This image represents 5 hours of exposure on an 8-inch scope in RGB filters.
