Cookie consent

AstroBin saves small pieces of text information (cookies) on your device in order to deliver better content and for statistical purposes. You can disable the usage of cookies by changing the settings of your browser. By browsing AstroBin without changing the browser settings, you grant us permission to store that information on your device.

I agree
Contains:  NGC 4656, NGC 4631, NGC 4627
Getting plate-solving status, please wait...
NGC4631  -  The Whale, its pup (calf) and a hockey stick, 





    
        

            jeff2011
NGC4631  -  The Whale, its pup (calf) and a hockey stick

NGC4631 - The Whale, its pup (calf) and a hockey stick

Technical card

Resolution: 3252x2432

Dates:Feb. 27, 2017March 1, 2017

Frames:
Astrodon LRGB Generation 2 Tru-Balance: 128x120" -15C bin 1x1
Astrodon LRGB Generation 2 Tru-Balance: 276x60" -15C bin 1x1

Integration: 8.9 hours

Avg. Moon age: 1.99 days

Avg. Moon phase: 5.60%

Bortle Dark-Sky Scale: 8.00

Astrometry.net job: 1543474

RA center: 12h 42' 41"

DEC center: +32° 22' 40"

Pixel scale: 1.742 arcsec/pixel

Orientation: -178.972 degrees

Field radius: 0.982

Locations: Backyard, Sugar Land, TX, United States

Data source: Backyard

Description

276 Lum @ 60 sec
43/45/40 RGB @ 120 sec

Comments

Author

jeff2011
jeff2011
License: None (All rights reserved)
4081
Like

Revisions

  • NGC4631  -  The Whale, its pup (calf) and a hockey stick, 





    
        

            jeff2011
    Original
  • NGC4631  -  The Whale, its pup (calf) and a hockey stick, 





    
        

            jeff2011
    B
  • NGC4631  -  The Whale, its pup (calf) and a hockey stick, 





    
        

            jeff2011
    C
  • Final
    NGC4631  -  The Whale, its pup (calf) and a hockey stick, 





    
        

            jeff2011
    D

B

Brightened up the back ground. Previous version was too dark for my taste

C

Reprocessed using Jon Rista noise reduction tutorial

D

Reprocessed easing back on the noise reduction.

Sky plot

Sky plot

Histogram

NGC4631  -  The Whale, its pup (calf) and a hockey stick, 





    
        

            jeff2011