CTB-1 (Aka Abell 85) in Hubble palette by Jorge Garcia

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	Jorge Garcia/NTO Š 2011

CTB-1 (Aka Abell 85) in Hubble palette

Cerceda (El boalo), Madrid, Spain

This weak supernova remnant contains mainly H2 and O3 emissions. The SII emission is marginal and is concentrated in the north-west of the nebula.

This nebula is located in Cassiopeia and the estimated distance to Earth is 3.1 +-0.5Kpc. His age, based on its rate of expansion of the field structure would be between 7500 and 11000 years.

- Astronomy.FM Amateur Astronomy Picture of the Day (AAPOD): 2011 March 20

SBIG STL-6303,Takahashi FSQ-106ED

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René Gysi		23-Jan-2011 09:57
What a sight. Just fantastic! V

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