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Contains:  IC 2177, Cone nebula, Christmas Tree cluster, NGC 2264, Horsehead nebula, IC 434, NGC 1990, M 42, Great Nebula in Orion, NGC 1976, Witch Head nebula, IC 2118, The star Gomeisa (βCMi), The star ιOri, The star Cursa (βEri), The star Mintaka (δOri), The star Saiph (κOri), The star Alnitak (ζOri), The star Alnilam (εOri), The star Bellatrix (γOri), The star Betelgeuse (αOri), The star Rigel (βOri), Part of the constellation Orion (Ori), Part of the constellation Monoceros (Mon), Part of the constellation Eridanus (Eri)
Getting plate-solving status, please wait...
Winter is leaving - V2, 


Winter is leaving - V2

Winter is leaving - V2

Technical card

Resolution: 7386x5404

Dates:Jan. 2, 2019Jan. 3, 2019Jan. 4, 2019Jan. 5, 2019Feb. 2, 2019Feb. 25, 2019Feb. 26, 2019Feb. 27, 2019Feb. 28, 2019March 23, 2019March 26, 2019

Frames:Hutech IDAS LPS D1 clip Sony A7: 2462x30" ISO3200

Integration: 20.5 hours

Avg. Moon age: 24.22 days

Avg. Moon phase: 33.21% job: 2622274

RA center: 95.850 degrees

DEC center: 0.138 degrees

Pixel scale: 19.266 arcsec/pixel

Orientation: 350.914 degrees

Field radius: 24.492 degrees

Locations: Home, Sèvremoine, France

Data source: Backyard



This is a revision of my last picture.
I've had 3 more panels, to remove the reflexion of Sirius, and to had more field to the top of the picture (I missed one panel last time).
There are 15 panels.

I've changed the projection of the mosaic in APP to limit distortions on the edges of the picture.

I'm now satisfied with this result, considering my sky quality ;-)

Edit : I've made a version B, with more contrast and saturation, but I prefer the version A, more natural ;-)





  • Final
    Winter is leaving - V2, 


  • Winter is leaving - V2, 




Some little color and contrast adjustments in PS.

Sky plot

Sky plot


Winter is leaving - V2,