First Light - # - Christopher A. Petro - Photographic Works

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Rosette Nebula, simple Hubble-like (highly unrealistic) mapping of H-a -> blue+green, O-III -> red.

Rosette Nebula, H-alpha + NII only.

Rosette Nebula, simple H-a -> red, O-III -> blue+green mapping.

Orion Nebula in simulated RGB (from H-a, O-III, and S-II images). About 10 subs x 20s per channel. The very first thing I tried shooting, so I didn't get enough subs to eliminate all of the noise.

Rosette Nebula, simulated RGB. O-III + 1/3 H-a -> blue, O-III -> green, H-a -> red (based on Richard Crisp's http://www.narrowbandimaging.com/synthetic_rgb_page.htm). Dimmer H-a is emphasized to reveal the outer layers of the nebula.

Rosette Nebula, simple Hubble-like (highly unrealistic) mapping of H-a -> blue+green, O-III -> red.

Rosette Nebula, simple Hubble-like (highly unrealistic) mapping of H-a -> blue+green, O-III -> red.

Rosette Nebula, simple Hubble-like (highly unrealistic) mapping of H-a -> blue+green, O-III -> red.

Original size: 1250x1004 |

Current: 747x600 |

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Keywords: local contrast rosette halved

gallery pages: 1

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