Hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  M 51  ·  NGC 5194  ·  NGC 5195  ·  Whirlpool galaxy
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M51 LRVB, 


            Davy HUBERT
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Technical card

Imaging telescopes or lenses: Sky-Watcher Explorer 200PDS

Imaging cameras: Starlight Xpress SXVR-H18

Mounts: Orion Atlas EQ-G

Guiding telescopes or lenses: SkyWatcher 80/400

Guiding cameras: iNova Pla-M

Software: PixInsight  ·  Stark Labs PHD2 v2.3.0  ·  Cartes du Ciel  ·  APT - Astro Photography Tool  ·  AstroTortilla

Filters: Baader Planetarium B 1.25"  ·  Baader Planetarium G 1.25"  ·  Baader Planetarium R 1.25"  ·  Baader Planetarium L 1.25"

Accessory: Starlight Xpress filter-wheel 7x1,25"

Dates:Feb. 10, 2015

Baader Planetarium B 1.25": 10x120" (20') -15C bin 2x2
Baader Planetarium G 1.25": 10x120" (20') -15C bin 2x2
Baader Planetarium L 1.25": 14x300" (1h 10') -15C bin 1x1
Baader Planetarium R 1.25": 10x120" (20') -15C bin 2x2

Integration: 2h 10'

Darks: 63

Bias: 116

Avg. Moon age: 20.61 days

Avg. Moon phase: 66.09%

Bortle Dark-Sky Scale: 4.00

Mean FWHM: 3.00

Basic astrometry details

Astrometry.net job: 544653

RA center: 13h30m08s.2

DEC center: +47°1149

Orientation: -93.064 degrees

Field radius: 0.401 degrees

Resolution: 620x281

Locations: Observatoire personnel, Saint Mathieu de Tréviers, Hérault, France

Data source: Backyard


First try with my KAF 8300 CCD camera. Well, it was really hard to process.

I shot without my cls filter and it was clearly a mistake. The background level in the raws is too high and the processing was very painfull .

L : 14 x 300s bin 1x1

R : 10 x 120s bin 2x2

V : 10 x 120s bin 2x2

B : 10 x 120s bin 2x2

Processed with PixInsight.



  • M51 LRVB, 


            Davy HUBERT
  • M51 LRVB, 


            Davy HUBERT
  • Final
    M51 LRVB, 


            Davy HUBERT

Sky plot

Sky plot


M51 LRVB, 


            Davy HUBERT