Celestial hemisphere:  Southern  ·  Constellation: Hydra (Hya)  ·  Contains:  M 83  ·  NGC 5236  ·  Southern Pinwheel Galaxy
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M83 galaxy in a wide field, Guillermo (Guy) Yanez
M83 galaxy in a wide field
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Getting plate-solving status, please wait...
M83 galaxy in a wide field, Guillermo (Guy) Yanez
M83 galaxy in a wide field
Powered byPixInsight

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Description

LRGB - CLS/Ha/OIII/SII

-> M83_150520

Lo Barnechea, Chile

Guillermo Yanez (Copyright)

This time I added the OIII (1:15 hours) and SII (50 minutes) to complete the color palette. Now the image has a more natural balance and the HII regions of the galaxy stand out of the galaxy arms. This galaxy is rich in emission nebulae and lying there would be like having the Orion nebulae all over the place.

I think I should have added more time in the luminance channel to avoid noise at such undersampling (wide field).

Stacking mode (luminance): Standard

Alignment method: Automatic

Cosmetic applied to hot pixels (Filter = 1 px, Detection Threshold = 50.0%)

Cosmetic applied to cold pixels (Filter = 1 px, Detection Threshold = 50.0%)

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