Contains: IC 444, IC 443, The star Propus (ηGem)
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The Jellyfish Nebula, IC 443, Hubble Palette

Technical card

Resolution: 3936x2589

Dates: Dec. 26, 2016Dec. 27, 2016

Astrodon 3nm OIII: 14x900" bin 2x2
Astrodon 3nm SII: 14x900" bin 2x2
Astrodon H-alpha 3 nm: 30x900" bin 1x1

Integration: 14.5 hours

Avg. Moon age: 27.44 days

Avg. Moon phase: 5.09% job: 1391236

RA center: 94.170 degrees

DEC center: 22.527 degrees

Pixel scale: 3.136 arcsec/pixel

Orientation: -90.682 degrees

Field radius: 2.052 degrees

Locations: My Back Deck, Glen Ellyn, Illinois, United States


Here is the Hubble Palette image. As before, most of the data used in this image came from the AP 130 GTX listed above. However, I must admit that a certain amount of detail at the core of the nebula was taken from a much earlier image generated with my Celestron 9.25 HD. The much narrower FOV and accompanying higher resolution did add definition to the lace-like structures, impossible to resolve in the wide-field image



Eric Coles (coles44)

Sky plot

Sky plot


The Jellyfish Nebula, IC 443, Hubble Palette, 

    Eric Coles (coles44)

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Narrowband imaging