Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  M 101  ·  NGC 5457  ·  NGC 5461  ·  NGC 5473  ·  NGC 5477
The Pinwheel galaxy (M101), 



    
        

            Olivier Ravayrol
The Pinwheel galaxy (M101)
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The Pinwheel galaxy (M101)

The Pinwheel galaxy (M101), 



    
        

            Olivier Ravayrol
The Pinwheel galaxy (M101)
Powered byPixInsight

The Pinwheel galaxy (M101)

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:May 18, 2020May 20, 2020May 25, 2020

Frames:
Astronomik LRGB 1.25": 52x360" (gain: 75.00) -20C bin 1x1
Astronomik LRGB 1.25": 57x180" (gain: 75.00) -20C bin 2x2

Integration: 8.1 hours

Darks: ~29

Flats: ~25

Bias: ~100

Avg. Moon age: 18.59 days

Avg. Moon phase: 9.49%

Bortle Dark-Sky Scale: 5.00

Mean FWHM: 5.60

Temperature: 16.33


Basic astrometry details

Astrometry.net job: 3902750

RA center: 14h 3' 16"

DEC center: +54° 21' 10"

Pixel scale: 0.776 arcsec/pixel

Orientation: 105.749 degrees

Field radius: 0.606 degrees


Resolution: 4508x3353

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

Data source: Backyard

Description

The Pinwheel galaxy (M101)
L-RGB
Bin1x1 L:5h12mn, Bin2x2 R:57mn, G:57mn & B:57mm 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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