Hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  IC 4263  ·  M 51  ·  NGC 5194  ·  NGC 5195  ·  Whirlpool Galaxy
The Whirlpool Galaxy (M51), 



    
        

            Olivier Ravayrol
The Whirlpool Galaxy (M51)
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The Whirlpool Galaxy (M51)

The Whirlpool Galaxy (M51), 



    
        

            Olivier Ravayrol
The Whirlpool Galaxy (M51)
Powered byPixInsight

The Whirlpool Galaxy (M51)

Technical card

Imaging telescopes or lenses: Orion 200mm f/5 Newtonian

Imaging cameras: ZWO ASI1600MM Pro

Mounts: Orion Sirius EQ-G (HEQ5) - belt mod

Guiding telescopes or lenses: Orion Short Tube 80/400

Guiding cameras: iNova PL1-M

Focal reducers: Baader Planetarium MPCC Mark III Coma Corrector

Software: Adobe Phosotshop CS5  ·  Adobe Lightroom 5.4  ·  SIRIL

Filters: Astronomik LRGB 1.25"

Accessory: ZWO EAF Electronic Auto Focuser  ·  ZWO EFW 8 x 1.25″/31mm  ·  CatsEye TELETUBE - INFINITY - BLACKCAT  ·  Lacerta Flatfieldbox 290mm  ·  Pierro-Astro USB autoguider


Dates:March 28, 2020May 19, 2020May 24, 2020

Frames:
Astronomik LRGB 1.25": 40x360" (gain: 75.00) -20C bin 1x1
Astronomik LRGB 1.25": 60x180" (gain: 75.00) -20C bin 2x2

Integration: 7.0 hours

Darks: ~29

Flats: ~27

Bias: ~100

Avg. Moon age: 10.64 days

Avg. Moon phase: 9.12%

Bortle Dark-Sky Scale: 5.00

Mean FWHM: 5.16

Temperature: 11.67


Basic astrometry details

Astrometry.net job: 3999315

RA center: 13h 30' 1"

DEC center: +47° 12' 7"

Pixel scale: 0.776 arcsec/pixel

Orientation: 285.329 degrees

Field radius: 0.527 degrees


Resolution: 3707x3181

Locations: Observatoire personnel, Tournefeuille, Haute-Garonne, France

Data source: Backyard

Description

The Whirlpool Galaxy (M51)
L-RGB
Bin1x1 L:4h06mn, Bin2x2 R:60mn, G:57mn & B:63mm exposure time
200/1000 mm Newtonian telescope
Camera ZWO ASI1600MM Pro
Preprocessing with SIRIL
Image processing with Photoshop
Final touch with Lightroom

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