Hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  M 3  ·  NGC 5272
M3 - Globular Cluster in Canes Venatici, 



    
        

            Victor Van Puyenbroeck
M3 - Globular Cluster in Canes Venatici
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M3 - Globular Cluster in Canes Venatici

M3 - Globular Cluster in Canes Venatici, 



    
        

            Victor Van Puyenbroeck
M3 - Globular Cluster in Canes Venatici
Powered byPixInsight

M3 - Globular Cluster in Canes Venatici

Technical card

Imaging telescopes or lenses: Teleskop-Service ONTC 8" f/4 Newton

Imaging cameras: ZWO ASI1600MM-Cool

Mounts: Sky-Watcher EQ6-R Pro

Guiding telescopes or lenses: Teleskop-Service ONTC 8" f/4 Newton

Guiding cameras: ZWO ASI120MM

Focal reducers: TS-Optics Coma Corrector GPU

Software: PHD2  ·  PixInsight  ·  EQASCOM  ·  Seqence Generator Pro

Accessory: ZWO Off Axis Guider  ·  ZWO EFW 8x31mm


Dates:April 14, 2020April 15, 2020

Frames:
Astrodon Blue Tru-Balance E-Series Gen 2: 6x300" (30') (gain: 74.00) -15C bin 1x1
Astrodon Green Tru-Balance E-Series Gen 2: 6x300" (30') (gain: 74.00) -15C bin 1x1
Astrodon Lum Tru-Balance E-Series Gen 2: 35x180" (1h 45') (gain: 74.00) -15C bin 1x1
Astrodon Red Tru-Balance E-Series Gen 2: 6x300" (30') (gain: 74.00) -15C bin 1x1

Integration: 3h 15'

Darks: ~30

Flats: ~20

Flat darks: ~100

Avg. Moon age: 22.18 days

Avg. Moon phase: 49.68%

Bortle Dark-Sky Scale: 7.00


Basic astrometry details

Astrometry.net job: 3421800

RA center: 13h 42' 11"

DEC center: +28° 22' 33"

Pixel scale: 0.978 arcsec/pixel

Orientation: 271.064 degrees

Field radius: 0.424 degrees


Resolution: 2400x2000

Locations: Backyard, Herent, Belgium

Data source: Backyard

Description

My previous image of M3 was made with an 80 mm refractor:

2 years later, I re-visited this magnificent cluster with my new 8" Newtonian and the extra aperture made a huge difference!

Comments

Revisions

  • M3 - Globular Cluster in Canes Venatici, 



    
        

            Victor Van Puyenbroeck
    Original
  • M3 - Globular Cluster in Canes Venatici, 



    
        

            Victor Van Puyenbroeck
    B
  • M3 - Globular Cluster in Canes Venatici, 



    
        

            Victor Van Puyenbroeck
    C
  • Final
    M3 - Globular Cluster in Canes Venatici, 



    
        

            Victor Van Puyenbroeck
    D

B

Description: Increased dynamic range in the core

Uploaded: ...

C

Description: Modified color balance

Uploaded: ...

D

Description: Darker background

Uploaded: ...

Sky plot

Sky plot

Histogram

M3 - Globular Cluster in Canes Venatici, 



    
        

            Victor Van Puyenbroeck