Hemisphere:  Northern  ·  Contains:  NGC 4627  ·  NGC 4631  ·  NGC 4656  ·  NGC 4657  ·  NGC4627  ·  NGC4631  ·  NGC4656  ·  NGC4657
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Whale and Hockey Stick Galaxies, 



    
        

            Phil Brewer
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Whale and Hockey Stick Galaxies

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

Imaging cameras: QSI 683wsg-8

Mounts: Orion Atlas AZ/EQ Pro

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

Guiding cameras: QHYCCD QHY5L-II mono

Focal reducers: GPU Optics f4 Aplanatic Coma Corrector

Software: Seqence Generator Pro  ·  PixInsight

Filters: Astrodon E-series Luminance  ·  Astrodon E-Series Green filter  ·  Astrodon E-Series Blue filter  ·  Astrodon E-Series Red filter

Accessory: QHYCCD PoleMaster  ·  MoonLite Crayford 2.5"


Dates:Dec. 22, 2019Dec. 23, 2019Jan. 2, 2020

Frames:
Astrodon E-Series Blue filter: 19x600" bin 1x1
Astrodon E-Series Green filter: 19x600" bin 1x1
Astrodon E-Series Red filter: 19x600" bin 1x1
Astrodon E-series Luminance: 39x600" bin 1x1

Integration: 16.0 hours

Avg. Moon age: 19.72 days

Avg. Moon phase: 22.67%

Bortle Dark-Sky Scale: 5.00

Mean SQM: 20.30


Astrometry.net job: 3167024

RA center: 12h 42' 49"

DEC center: +32° 19' 47"

Pixel scale: 1.392 arcsec/pixel

Orientation: 0.608 degrees

Field radius: 0.765 degrees


Resolution: 3216x2301

Locations: Home Backyard, Ida, Michigan, United States

Data source: Backyard

Description

LRGB image of the Whale and Hockey Stick Galaxies (NGC 4631 group)

Comments

Author

pbkoden
Phil Brewer
License: Attribution-NonCommercial Creative Commons
1432
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Revisions

  • Whale and Hockey Stick Galaxies, 



    
        

            Phil Brewer
    Original
  • Final
    Whale and Hockey Stick Galaxies, 



    
        

            Phil Brewer
    B

B

Description: slight unsharpmask sharpening

Sky plot

Sky plot

Histogram

Whale and Hockey Stick Galaxies, 



    
        

            Phil Brewer