The Seagull's Head

The Seagull's Head
1 year ago
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The Seagull's Head

The 'Seagull Nebula', IC 2177, is colourful overall:
https://telescope.live/gallery/66
https://www.facebook.com/telescopelive/photos/a.2404558243125361/2549333541981163
This is because of the range of ionization in the gas, which results in emission from different ions, at different wavelength.
This closeup of the 'head' of the seagull shows fine structural details, but is chromatically somewhat bland, because the gas visible here is all in a low-ionization state.
SPECIFICATIONS
Telescope ..........................................................................................................................................................................................................................
Telescope
CHI-1
Camera ..........................................................................................................................................................................................................................
Camera
FLI PL9000
Location ..........................................................................................................................................................................................................................
Location
Chile
Date of observation ..........................................................................................................................................................................................................................
Date of observation
2018/12
Filters ..........................................................................................................................................................................................................................
Filters
HSO
Processing ..........................................................................................................................................................................................................................
Processing
Pixinsight, Photoshop
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