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Contains:  NGC 1931, IC 417, NGC 1893, IC 410, Flaming Star nebula, IC 405, The star φAur, The star 19Aur, The star 16Aur
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NGC1931, IC417, IC410, IC405, 


            Peter Folkesson
NGC1931, IC417, IC410, IC405

NGC1931, IC417, IC410, IC405

Technical card

Resolution: 7724x3372

Dates:Nov. 23, 2016Nov. 24, 2016Nov. 28, 2016Dec. 2, 2016

Baader Blue 1.25" Filter: 109x45" (gain: 200.00) -20C bin 1x1
Baader Green 1.25" Filter: 103x45" (gain: 200.00) -20C bin 1x1
Baader Ha 1.25" 7nm: 234x90" (gain: 200.00) -20C bin 1x1
Baader Red 1.25" Filter: 115x45" (gain: 200.00) -20C bin 1x1

Integration: 9.9 hours

Darks: ~100

Flats: ~100

Bias: ~200

Avg. Moon age: 20.13 days

Avg. Moon phase: 14.85%

Bortle Dark-Sky Scale: 5.00

Temperature: -1.58 job: 1723420

RA center: 80.569 degrees

DEC center: 33.945 degrees

Pixel scale: 1.899 arcsec/pixel

Orientation: 4.082 degrees

Field radius: 2.223 degrees

Locations: Backyard, Borås, Sweden

Data source: Backyard


2016-11-23 22:00-01:00
Clear, no wind, no moon, 95% humidity, 2 degrees C
2016-11-24 21:30-00:30
Clear, no wind, no moon, 99% humidity, some fog, -1 degrees C
2016-11-28 20:00-02:00
Several high clouds, little wind, no moon, 80% humidity, -1 degrees C
2016-12-02 18:30-02:30
Clear, no wind, no moon, 75% humidity, -3 degrees C



Peter Folkesson
License: None (All rights reserved)


  • NGC1931, IC417, IC410, IC405, 


            Peter Folkesson
  • NGC1931, IC417, IC410, IC405, 


            Peter Folkesson
  • Final
    NGC1931, IC417, IC410, IC405, 


            Peter Folkesson


Complete reprocessing trying new PixInsight LocalNormalization and PhotometricColorCalibration tools

Sky plot

Sky plot


NGC1931, IC417, IC410, IC405, 


            Peter Folkesson

Made possible by

O'Telescope BackyardEOS