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Imaging telescopes or lenses: Takahashi TSA 102
Imaging cameras: Atik ONE 6.0
Mounts: Skywatcher AZ EQ6 GT
Guiding telescopes or lenses: Takahashi TSA 102
Guiding cameras: Atik GP
Focal reducers: Takahashi TOA-RD
Software: Topaz Denoise AI · Pleiades Astrophoto PixInsight 1.8 Ripley · Photoshop · PHD Guiding 2 · Atik Artemis
Filters: Astronomik LRGB 1,25"
Accessory: Atik OAG
Dates:May 28, 2020 , May 29, 2020
Frames:
Astronomik LRGB 1,25": 60x300" -15C bin 2x2
Astronomik L 1.25": 40x600" -15C bin 1x1
Integration: 11.7 hours
Darks: ~64
Flats: ~12
Bias: ~101
Avg. Moon age: 6.19 days
Avg. Moon phase: 37.52%
Bortle Dark-Sky Scale: 4.00
Astrometry.net job: 4032971
RA center: 20h 50' 26"
DEC center: +60° 9' 39"
Pixel scale: 1.533 arcsec/pixel
Orientation: 173.982 degrees
Field radius: 0.748 degrees
Resolution: 2741x2199
Locations: Fouras, Fouras, Charente-Maritime, France
Data source: Backyard
The dark nebula Barnard 150, located about 1200 light years away.
We traditionally see a "seahorse" there, but for my part I have the impression to see a moonwalk-dancer with a long cape behind him ;)
The processing of this image gave me a lot of trouble, due to the presence of a parasitic reflection in the lower left-hand corner (both on the luminance and on the RGB layer - see version B for an exemple on the raw RGB layer).
Of course, it was not possible to cross over because of the already reduced field strength...
In the end I managed to correct it as best as I could, but I shall have to do it again later, with a larger field and without reflections! :)
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La nébuleuse obscure Barnard 150, située à environ 1200 années-lumière.
On y voit traditionnellement un hippocampe, mais pour ma part j'ai l'impression de voir un danseur de moonwalk avec une longue cape derrière lui... ;)
Le traitement de cette image m'a posé beaucoup de soucis, en raison de la présence d'un reflet parasite dans le coin inférieur-gauche (tant sur la luminance que sur la couche RGB - cf version B pour la version brute RGB).
Pas possible évidemment de croper compte-tenu du champ déjà réduit...
Au final j'ai réussi à le corriger du mieux que j'ai pu ; mais à refaire avec un plus grand champ et sans reflets ! :)
Description: Image RGB avec le reflet parasite...
Description: Slight improvement of star color.
Description: Slight improvment of noise reduction
AAA : Astronomes et Astrographes Amateurs |
Dark Nebula |
Sony 694 Images |
Takahashi Refractors |
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