Hemisphere:  Northern  ·  Contains:  M 101  ·  NGC 5457  ·  NGC 5477
M101. The Pinwheel Galaxy, 


            Ferran Ginebrosa
M101. The Pinwheel Galaxy
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M101. The Pinwheel Galaxy

Technical card

Imaging telescopes or lenses: Celestron C8

Imaging cameras: Canon 450D modified (IR filter removed)

Mounts: Meade LX90 12" Fork Mount

Guiding telescopes or lenses: Eschenbach Cassegrain/Maksutov 500mm - f/5.6

Guiding cameras: Lunatico Astronomia QHY5

Focal reducers: Meade f6.3 focal reducer/field flattener

Software: PHD Guiding  ·  Pixinsight LE  ·  Deepskystacker

Filters: Astronomik CLS Clip CLS clip-in

Accessory: MEADE Autostar 497

Dates:June 11, 2015June 12, 2015

Astronomik CLS Clip CLS clip-in: 33x140" ISO800
Astronomik CLS Clip CLS clip-in: 50x150" ISO800

Integration: 3.4 hours

Darks: ~10

Flats: ~10

Bias: ~10

Avg. Moon age: 24.67 days

Avg. Moon phase: 24.57%

Bortle Dark-Sky Scale: 5.00

Temperature: 24.00

Basic astrometry details

Astrometry.net job: 676304

RA center: 14h 3' 9"

DEC center: +54° 20' 6"

Pixel scale: 0.979 arcsec/pixel

Orientation: -178.609 degrees

Field radius: 0.531 degrees

Resolution: 620x408

Locations: MPC - K09 / Observatori Lliçà d'Amunt, Lliçà d'Amunt, Barcelona, Spain


M101, the Pinwheel galaxy.
M101 is a face-on galaxy at 26 million light years in the constellation Ursa Major.
Is one of biggest galaxy in the neighborhood of our Milky Way, more than double size of this and very rich in gaz and high star generation.



Ferran Ginebrosa
License: Attribution-NonCommercial-ShareAlike Creative Commons

Sky plot

Sky plot


M101. The Pinwheel Galaxy, 


            Ferran Ginebrosa