Hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  Checkmark Nebula  ·  IC 4706  ·  IC 4707  ·  Lobster Nebula  ·  M 17  ·  NGC 6618  ·  Sh2-45  ·  Swan Nebula  ·  omega Nebula

Image of the day 07/29/2021

Getting plate-solving status, please wait...
    M17 SHO - Fire and Ice, 



    
        

            Ben
    Powered byPixInsight

    M17 SHO - Fire and Ice

    Image of the day 07/29/2021

    Getting plate-solving status, please wait...
      M17 SHO - Fire and Ice, 



    
        

            Ben
      Powered byPixInsight

      M17 SHO - Fire and Ice

      Imaging telescopes or lenses: Sky-Watcher Quattro 200 CF (Carbon Fiber)

      Imaging cameras: ZWO ASI 1600MM-PRO

      Mounts: SkyWatcher EQ6-R Pro (EQMOD)

      Guiding telescopes or lenses: Sky-Watcher Quattro 200 CF (Carbon Fiber)

      Guiding cameras: Prostar LP-Guide Auto-Guiding camera

      Focal reducers: Skywatcher F4 aplanatic coma corrector

      Software: Seqence Generator Pro  ·  SharpCap Pro 3.2 Sharp Cap 3.2  ·  Ripley PixInsight 1.8  ·  EQAscom ascom/Eqmod  ·  PHD2  ·  Cartes du Ciel

      Filters: Astrodon SII 3 nm  ·  Astrodon OIII 3 nm  ·  Astrodon Ha 5 nm

      Accessory: ZWO EFW 8x 1.25"  ·  ZWO Off-Axis Guider  ·  Moonlite Focuser 2” auto


      Dates:July 17, 2021July 19, 2021

      Frames:
      Astrodon Ha 5 nm: 51x180" (2h 33') (gain: 200.00) -10C
      Astrodon OIII 3 nm: 42x180" (2h 6') (gain: 200.00) -10C
      Astrodon SII 3 nm: 42x180" (2h 6') (gain: 200.00) -10C

      Integration: 6h 45'

      Darks: 64

      Flats: 64

      Flat darks: 64

      Avg. Moon age: 8.54 days

      Avg. Moon phase: 61.90%

      Bortle Dark-Sky Scale: 7.00


      Astrometry.net job: 4788301

      RA center: 18h 20' 25"

      DEC center: -16° 6' 26"

      Pixel scale: 0.979 arcsec/pixel

      Orientation: 176.423 degrees

      Field radius: 0.662 degrees


      Resolution: 3973x2816

      Locations: Backyard, Brisbane, Queensland, Australia

      Data source: Backyard

      Description

      I got some more data despite the moon, so a bit more of the background is present. Loved Tareq's suggestion of a battle between ice and fire :-)

      Comments

      Revisions

        M17 SHO - Fire and Ice, 



    
        

            Ben
        Original
        M17 SHO - Fire and Ice, 



    
        

            Ben
        B
        M17 SHO - Fire and Ice, 



    
        

            Ben
        E
      • Final
        M17 SHO - Fire and Ice, 



    
        

            Ben
        F

      B

      Description: A further bit of background neutralisation

      Uploaded: ...

      E

      Description: A bit more pop

      Uploaded: ...

      F

      Description: Reprocessed with an aim of reproducing the same image via different means. Used tone maps and added back in the stars and star colour hopefully to keep the stars a little nicer.

      Uploaded: ...

      Sky plot

      Sky plot

      Histogram

      M17 SHO - Fire and Ice, 



    
        

            Ben