Celestial hemisphere:  Northern  ·  Constellation: Draco (Dra)  ·  Contains:  IC 4677  ·  NGC 6543
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Cat's Eye Nebula Ha OIII LRGB., Olly Penrice
Cat's Eye Nebula Ha OIII LRGB.
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Cat's Eye Nebula Ha OIII LRGB.

Getting plate-solving status, please wait...
Cat's Eye Nebula Ha OIII LRGB., Olly Penrice
Cat's Eye Nebula Ha OIII LRGB.
Powered byPixInsight

Cat's Eye Nebula Ha OIII LRGB.

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Description

Taken over a week with guest Billy Harris. Ha 8 hours, OIII 8 hours, Luminance 1.5 hours, colours 1 hour each. Also short exposures for the core (RGB 30 seconds, Ha 120 seconds, OIII 200 seconds.)

Total exposure time about 21 hours from Les Granges in south east France using a TEC140/Atik 460/Mesu 200.

The extremely high dynamic range was 'interesting' in the processing!

Olly

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Cat's Eye Nebula Ha OIII LRGB., Olly Penrice