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: Pleiades Astrophoto PixInsight 1.8 Ripley · Photoshop · PHD Guiding 2 · Atik Artemis
Filters: Astronomik Ha 6nm · Astronomik B 1.25" · Astronomik G 1.25" · Astronomik R 1.25"
Accessory: Atik OAG
Dates:April 20, 2018
Frames:
Astronomik LRGB 1,25": 12x180" -10C bin 2x2
Astronomik L 1.25": 5x300" -10C bin 1x1
Astronomik L 1.25": 5x60" -10C bin 1x1
Integration: 1.1 hours
Darks: ~64
Flats: ~14
Bias: ~101
Avg. Moon age: 4.77 days
Avg. Moon phase: 23.64%
Bortle Dark-Sky Scale: 4.00
Astrometry.net job: 2287962
RA center: 16h 41' 42"
DEC center: +36° 27' 26"
Pixel scale: 1.529 arcsec/pixel
Orientation: -3.898 degrees
Field radius: 0.748 degrees
Resolution: 2749x2199
Locations: Ury, Ury, Seine-et-Marne, France
Data source: Backyard
Une petite visite rapide à un grand classique ! Juste 1h en fin de nuit pour finir en douceur ! :)
Composition HDR pour les images luminances poses longues (300s) et poses courtes (60s).
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Just a quick visit to a great classic ! Only 1h at the end of the night.
HDR composition for the luminance layer (300s & 60s).
Description: Comparatif entre la version CCD 2018 et la version APN. Même optique, même ciel, temps de pose équivalent, même traitement global modulo les spécificités apn/ccd. - Comparison between the CCD image (2018) and my image of this object with DSLR (2015) : same field, same optics, same sky, same global exposure, same processing (excepted the specificities of apn/ccd).
Description: Slight correction of colors.
| AAA : Astronomes et Astrographes Amateurs |
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