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Contains:  Witch Head nebula, IC 2118, The star λEri, The star ψEri, The star 63Eri
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Witch Head Nebula with Ha, 





    
        

            Steve Cooper

Witch Head Nebula with Ha

Technical card

Resolution: 3303x2496

Frames:
Astrodon 5 nm HA: 13x1800" -20C bin 1x1
Astrodon Blue Tru-Balance E-Series Gen 2: 7x900" -20C bin 1x1
Astrodon Green Tru-Balance E-Series Gen 2: 8x900" -20C bin 1x1
Astrodon Lum: 9x1200" -20C bin 1x1
Astrodon Lum: 12x900" -20C bin 1x1
Astrodon Red Tru-Balance E-Series Gen 2: 8x900" -20C bin 1x1

Integration: 18.2 hours

Astrometry.net job: 2512538

Data source: Traveller

Description

The Witch Head Nebula with 6.5 hrs of Ha added
QSI 683wsg Camera and Borg 55 FL telescope at f/3.6. AP 900 mount. SX Loadstar autoguiding camera. Astrodon LRGBHa filter set.
12 X 15 min L, plus 9 X 20 min L, 8 X 15 min R, 8 X 15 min G, 7 X 15 B, and 13 X 30 min Ha. Bin 1X1.
Sensor temp @ -20 deg. Frames acquired with MaxIm DL 6, calibrated in CCD Stack2, and processed using PixInsight.
Stardust Ranch, Okeechobee FL

"And those who are wise shall shine like the brightness of the sky above; and those who turn many to righteousness, like the stars forever and ever." Daniel 12:3 ESV

Comments

Author

SteveCooper
Steve Cooper
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Revisions

  • Witch Head Nebula with Ha, 





    
        

            Steve Cooper
    Original
  • Final
    Witch Head Nebula with Ha, 





    
        

            Steve Cooper
    B

Histogram

Witch Head Nebula with Ha, 





    
        

            Steve Cooper

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The refractors!