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Cas A SNR © Ken Crawford Rancho Del Sol Observatory MPC G67
Image Exposure Details
|| 180 minutes
Cassiopeia A (Cas A) is a supernova remnant around 11,000 light-years away. Though it is very faint in optical light, it is one of the brightest extra solar radio sources in the sky. The lower right image shows the X-ray engery from NASA NuSTAR
overlaid on top of Ken Crawford's optical image. Cas A Comparision link HERE
. You may also see this image and write-up at NASA APOD.
RCOS 20" carbon truss - 100mm FFC
Apogee Alta u16803
SBIG ST402 Guider
Astrodon 50mm Sq Filters
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Cas A SNR revealed with over 28 hours of total exposure time. Cas A X-ray data credit NASA/JPL-Caltech/DSS
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.