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Contains:  NGC 3372, eta Car nebula

Image of the day 02/12/2020

Getting plate-solving status, please wait...
    Keyhole in SHO, 



    
        

            Ignacio Diaz Bobillo
    Keyhole in SHO
    Powered byPixInsight

    Keyhole in SHO

    Technical card


    Dates:Feb. 2, 2020Feb. 3, 2020

    Frames:
    Astrodon Tru-Balance E-Series Gen 2 H-alpha 3 nm: 88x180" -30C bin 1x1
    Astrodon Tru-Balance E-Series Gen 2 OIII 3 nm: 60x180" -30C bin 1x1
    Astrodon Tru-Balance E-Series Gen 2 SII 3 nm: 73x180" -30C bin 1x1

    Integration: 11.1 hours

    Darks: ~25

    Bias: ~200

    Avg. Moon age: 8.24 days

    Avg. Moon phase: 59.04%

    Temperature: 25.00


    Basic astrometry details

    Astrometry.net job: 3231549

    RA center: 10h 44' 46"

    DEC center: -59° 41' 6"

    Pixel scale: 0.887 arcsec/pixel

    Orientation: 91.032 degrees

    Field radius: 0.493 degrees


    Resolution: 3326x2217

    Locations: Home backyard, General Pacheco, Buenos Aires, Argentina

    Data source: Backyard

    Description

    Have been waiting for the opportunity to image this classic under good seeing conditions, in an attempt to maximize resolution. Fortunately, I enjoyed a couple of really good nights last week, and am very happy with the final result.

    Comments

    Author

    ignacio_db
    Ignacio Diaz Bobillo
    License: None (All rights reserved)
    133016
    Like

    Revisions

      Keyhole in SHO, 



    
        

            Ignacio Diaz Bobillo
      Original
      Keyhole in SHO, 



    
        

            Ignacio Diaz Bobillo
      B
    • Final
      Keyhole in SHO, 



    
        

            Ignacio Diaz Bobillo
      C

    B

    Description: Here is a more aggressive processing, chasing the golden hues.

    C

    Description: Added an old H-alpha image of the Homunculus I had taken with planetary techniques, to better resolve that overexposed area. Also, cropped the original version just for composition reasons.

    Sky plot

    Sky plot

    Histogram

    Keyhole in SHO, 



    
        

            Ignacio Diaz Bobillo