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Contains:  M 101, NGC 5457
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Pinwheel Galaxy (M101) in HaLRGB, 



    
        

            Jose Carballada
Pinwheel Galaxy (M101) in HaLRGB
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Pinwheel Galaxy (M101) in HaLRGB

Imaging telescopes or lenses: Altair Astro RC250-TT 10" RC Truss Tube

Imaging cameras: ZWO ASI1600MM-Cool

Mounts: Astro-Physics Mach-1 GTO CP4

Guiding telescopes or lenses: Celestron OAG Deluxe

Guiding cameras: QHYCCD QHY5III174

Focal reducers: Riccardi Reducer/Flattener 0.75x

Software: Pleiades Astrophoto PixInsight  ·  Astro-Physics AAPC  ·  Seqence Generator Pro

Filters: Astrodon R Gen.2 E-series 36mm  ·  Astrodon G Gen.2 E-series 36mm  ·  Astrodon B Gen.2 E-series 36mm  ·  Astrodon HA 36mm - 5nm  ·  Astrodon L Gen.2 E-series 36mm

Accessory: ZWO EFW  ·  MoonLite NiteCrawler WR30


Dates:June 4, 2019June 7, 2019June 8, 2019June 18, 2019

Frames:
Astrodon B Gen.2 E-series 36mm: 36x180" (gain: 75.00) -20C bin 1x1
Astrodon G Gen.2 E-series 36mm: 38x180" (gain: 75.00) -20C bin 1x1
Astrodon HA 36mm - 5nm: 12x600" (gain: 200.00) -20C bin 1x1
Astrodon L Gen.2 E-series 36mm: 175x180" (gain: 75.00) -20C bin 1x1
Astrodon R Gen.2 E-series 36mm: 34x180" (gain: 75.00) -20C bin 1x1

Integration: 16.1 hours

Avg. Moon age: 6.73 days

Avg. Moon phase: 37.75%


Astrometry.net job: 2782567

RA center: 14h 3' 12"

DEC center: +54° 21' 3"

Pixel scale: 1.004 arcsec/pixel

Orientation: 269.782 degrees

Field radius: 0.407 degrees


Resolution: 2328x1760

Locations: AAS Montsec, Àger, Lleida, Spain

Data source: Own remote observatory

Remote source: Non-commercial independent facility

Description

The Pinwheel Galaxy (Messier 101 or NGC 5457) is a spiral galaxy distanced 21 million light-years away from Earth

M101 is a large galaxy, with a diameter of 170,000 light-years. By comparison, the Milky Way has a diameter of 258,000 light years. It has around a trillion stars, twice the number in the Milky Way.
It has a disk mass on the order of 100 billion solar masses, along with a small central bulge of about 3 billion solar masses.

(desc. credits: Wikipedia)

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Author

Carballada
Jose Carballada
License: Attribution-NonCommercial-ShareAlike Creative Commons
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  • Pinwheel Galaxy (M101) in HaLRGB, 



    
        

            Jose Carballada
    Original
  • Final
    Pinwheel Galaxy (M101) in HaLRGB, 



    
        

            Jose Carballada
    C

C

Description: better star process

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Pinwheel Galaxy (M101) in HaLRGB, 



    
        

            Jose Carballada