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Contains:  NGC 4627, NGC 4631, NGC 4656, NGC 4657
Getting plate-solving status, please wait...
NGC4631 - Whale Galaxy and Companions, 



    
        

            Roberto Botero
NGC4631 - Whale Galaxy and Companions
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NGC4631 - Whale Galaxy and Companions

Technical card


Dates:Feb. 19, 2015Feb. 22, 2015

Frames:
Baader Planetarium Baader 36mm Blue: 10x300" bin 2x2
Baader Planetarium Baader 36mm Green: 10x300" bin 2x2
Baader Planetarium Baader 36mm Red: 10x300" bin 2x2
Baader Planetarium Baader Ha 7nm: 18x900" bin 2x2
Hutech IDAS 36mm LPS P2: 19x900" bin 1x1

Integration: 11.8 hours

Avg. Moon age: 2.30 days

Avg. Moon phase: 8.78%


Basic astrometry details

Astrometry.net job: 629825

RA center: 12h 42' 55"

DEC center: +32° 19' 51"

Orientation: 179.493 degrees

Field radius: 0.483 degrees


Resolution: 2672x2044

Locations: Home, Petts Wood, United Kingdom

Description

L(Ha):R(Ha):G:B composition to show how active NGC4631 is.

L: 19 x 900s (1x1)
Ha: 18 x 900s (2x2)
R:G:B: 10 x 300s (2x2)

L (50%) : Ha (50%)
R (60%) : Ha (40%)

Update 8 May 2015: Re-processed fully in PixInsight v1.8. Version B is LRGB and C, LHaRGB using NRGB script.

Comments

Author

rbotero
Roberto Botero
License: None (All rights reserved)
2152
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Revisions

  • NGC4631 - Whale Galaxy and Companions, 



    
        

            Roberto Botero
    Original
  • NGC4631 - Whale Galaxy and Companions, 



    
        

            Roberto Botero
    B
  • Final
    NGC4631 - Whale Galaxy and Companions, 



    
        

            Roberto Botero
    C

Sky plot

Sky plot

Histogram

NGC4631 - Whale Galaxy and Companions, 



    
        

            Roberto Botero

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