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Contains:  Cone nebula, Christmas Tree cluster, NGC 2264, The star 15Mon
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Merry Christmas Tree (HaHbOiii), 


            Gilbert Ikezaki
Merry Christmas Tree (HaHbOiii)

Merry Christmas Tree (HaHbOiii)

Technical card

Resolution: 3385x1904

Dates:Dec. 23, 2017

Frames:UHC: 54x120" bin 1x1

Integration: 1.8 hours

Darks: ~32

Avg. Moon age: 4.67 days

Avg. Moon phase: 22.74% job: 1868651

RA center: 100.442 degrees

DEC center: 9.677 degrees

Pixel scale: 2.310 arcsec/pixel

Orientation: 186.422 degrees

Field radius: 1.246 degrees

Locations: SDAA Tierra Del Sol, Boulevard, California, United States

Data source: Traveller


NGC 2264 Christmas Tree Cluster (HaHbOiii)

Using a one shot camera and a Celestron/Baader UHC filter, the blue is mostly H Beta, so I swapped blue and green. It happens that the nebula that creates the Cone nebula is emitting mostly H Beta, and I got a green tree.



Gilbert Ikezaki
License: Attribution-NonCommercial-ShareAlike Creative Commons

Sky plot

Sky plot


Merry Christmas Tree (HaHbOiii), 


            Gilbert Ikezaki