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Imaging telescopes or lenses: ASA - Astro Systeme Austria ASA 20" Astrograph
Imaging cameras: FLI Proline 16803
Mounts: ASA - Astro System Austria DDM85
Software: Pleiades Astrophoto PixInsight 1.8 Ripley · Photoshop
Filters: Astrodon 3nm OIII · Astrodon SII 3nm · Astrodon 3nm Ha
Dates:Dec. 31, 2018 , Jan. 12, 2019 , Jan. 15, 2019
Frames:
Astrodon 3nm Ha: 16x1200" -30C bin 1x1
Astrodon 3nm OIII: 12x600" -30C bin 2x2
Astrodon SII 3nm: 12x600" -30C bin 2x2
Integration: 9.3 hours
Darks: ~25
Flats: ~16
Bias: ~49
Avg. Moon age: 12.86 days
Avg. Moon phase: 41.19%
Bortle Dark-Sky Scale: 1.00
Astrometry.net job: 2739318
RA center: 6h 31' 4"
DEC center: +5° 2' 46"
Pixel scale: 0.953 arcsec/pixel
Orientation: 100.598 degrees
Field radius: 0.441 degrees
Resolution: 2600x2066
Locations: Chilescope, Fundina, Chile
Data source: Amateur hosting facility
Remote source: ChileScope
The "dust belt" and Bok globules in the center hole of the Rosette Nebula.
This image is a crop of the full version of the Rosette Nebula, but with a slightly different processing (contrast, colors...) in order to show more details in the dusty formations.
Insofar as it is a different processing, and that this area is specialy beautiful, I believe it deserve a specific image ! :)
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La grande bande de poussière qui parcourt le cœur de la nébuleuse de la Rosette. On peut y apercevoir également de nombreux "globules de Bok", au sein desquels se forment de futures étoiles...
Cette image est un crop de la version full de mon image de la nébuleuse de la Rosette mais avec un traitement spécifique légèrement différent (sur les couleurs, le contraste...) afin de mettre en valeur au mieux les bandes de poussières.
Dans la mesure où le traitement est différent et que cette zone est particulièrement belle, il m'a semblé justifié de la présenter sous une image distincte ! :)
jb
Description: Slight correction of colors (red)
Description: Correction of star halos.
AAA : Astronomes et Astrographes Amateurs |
Narrowband imaging |
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