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Contains:  NGC 6530, M 8, Lagoon nebula, Hourglass nebula, NGC 6523, NGC 6526, The star 9Sgr, The star 7Sgr

Image of the day 07/21/2019

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    The Lagoon Nebula in SHO, 





    
        

            Alex Roberts
    The Lagoon Nebula in SHO

    The Lagoon Nebula in SHO

    Acquisition type: Electronically-Assisted Astronomy (EAA)

    Technical card

    Resolution: 4635x3197

    Dates:July 7, 2019July 8, 2019July 9, 2019

    Frames:
    Baader H-Alpha 36mm 7nm: 35x300" (gain: 16.00) -20C bin 1x1
    Baader O III 36mm 8nm: 25x300" (gain: 16.00) -20C bin 1x1
    Baader SII 36mm 8nm: 25x300" (gain: 16.00) -20C bin 1x1

    Integration: 7.1 hours

    Darks: ~50

    Flats: ~40

    Bias: ~100

    Avg. Moon age: 6.36 days

    Avg. Moon phase: 39.39%

    Bortle Dark-Sky Scale: 4.00

    Mean FWHM: 2.50

    Temperature: 20.00

    Astrometry.net job: 2791917

    RA center: 271.036 degrees

    DEC center: -24.316 degrees

    Pixel scale: 0.651 arcsec/pixel

    Orientation: 355.581 degrees

    Field radius: 0.509 degrees

    Locations: Williamson AZ Home, Prescott, Arizona, United States

    Data source: Backyard

    Description

    Modified SHO color blend using Pixinsight's PixelMath process:

    Red: Ha 50%+ SII 50%
    Green: Ha 25% + SII 25% + OIII 50%
    Blue: OIII 100%

    I just like it better than the "normal" SHO mixture.

    Comments

    Author

    Arcturus19
    Alex Roberts
    License: None (All rights reserved)
    9669
    Like

    Revisions

      The Lagoon Nebula in SHO, 





    
        

            Alex Roberts
      Original
      The Lagoon Nebula in SHO, 





    
        

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      B
      The Lagoon Nebula in SHO, 





    
        

            Alex Roberts
      C
      The Lagoon Nebula in SHO, 





    
        

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    • Final
      The Lagoon Nebula in SHO, 





    
        

            Alex Roberts
      E

    Sky plot

    Sky plot

    Histogram

    The Lagoon Nebula in SHO, 





    
        

            Alex Roberts