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Tom Arrington | all galleries >> Tom's Astrophotos >> 2011 > IC443 -The Jellyfish Nebula
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02-JAN-2011

IC443 -The Jellyfish Nebula

IC 443 (also known as the Jellyfish Nebula and Sharpless 248 (Sh2-248)) is a Galactic supernova remnant (SNR) in the constellation Gemini. On the plan of the sky, it is located near the star Eta Geminorum. Its distance is roughly 5,000 light years (~5×1016 km) from Earth. IC 443 is thought to be the remains of a supernova that occurred 3,000 - 30,000 years ago. The same supernova event likely created the neutron star CXOU J061705.3+222127, the collapsed remnant of the stellar core.
(Wikipedia)

Taken on a cold winter night. Tempurature dropped to 10Deg F. This was the first clear moonless night in a very long time, so I had to get out. Seeing was poor as the Jet Stream was raging direclty above our Missouri sky's.

Photo Details:
Taken West of Columbia, MO Jan. 2, 2011 early AM
Camera: SBIG 8300M w/FW5
Filters: Baader LRGB
Telescope: William Optics FLT 110 Lite w/WO Reducer Flattener IV system at f5.6
Mount Celestron CGE guided with PHD Guide
Exposures: 3x8 min Lum. 4x6 min RGB temp. set to -15 deg C
Processed in CCDStack & PS CS3


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