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Spirals of the Rosette Nebula   © Ken Crawford      Rancho Del Sol Observatory  MPC G67
Image Exposure Details
Filter Exposures
Clear/ Lum 0 minutes
Red 0 minutes
Green 0 minutes
Blue 0 minutes
Ha 240 minutes
OIII 240 minutes
SII 240 minutes

The Rosette nebula (Cadwell 49) is a large circular emission nebula in the Monoceros region. It is around 5,000 light years away and is powered by hot O and B stars. This interesting spiral feature is twisted by powerful stellar winds.
RCOS 20" carbon truss - 100mm FFC
Paramount ME
Apogee Alta u16803
SBIG ST402 Guider
Astrodon MegaMoag
Astrodon 50mm Sq Filters
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Photoshop CS5
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This deep image was produced with Ha-SII-OIII in the Hubble color palette. The image on the left shows the Hydrogen component only. These images may be used for personal or educational use without contacting me. But, these images and this website are Copyright © Ken Crawford. If you are a publisher and would like a full resolution link to this or other images please contact Ken Crawford.