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Contains:  Cone nebula, Christmas Tree cluster, NGC 2264, The star 15Mon
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Xmas tree, 


Xmas tree

Xmas tree

Technical card

Imaging telescope or lens:Takahashi TSA-120

Imaging camera:Atik Horizon (Mono)

Mount:SkyWatcher AZ EQ6 GT

Guiding telescope or lens:ATIK OAG

Guiding camera:Atik GP mono (OAG)

Focal reducer:Takahashi TKA31580S

Software:Photoshop CS5Pleiades Astrophoto PixInsight

Filters:Optolong RGBOptolong Ha 7nm

Resolution: 3278x4284

Dates:Dec. 10, 2018Dec. 12, 2018

Optolong Ha 7nm: 44x1200" (gain: 5.00) -20C bin 1x1
Optolong RGB: 103x600" (gain: 5.00) -20C bin 1x1

Integration: 31.8 hours

Darks: ~48

Flats: ~12

Bias: ~48

Avg. Moon age: 3.84 days

Avg. Moon phase: 16.38% job: 2426583

RA center: 100.217 degrees

DEC center: 9.812 degrees

Pixel scale: 1.078 arcsec/pixel

Orientation: 184.466 degrees

Field radius: 0.808 degrees

Locations: Gemini remote observatory, Lijiang, Yunnan, China

Data source: Own remote observatory



License: None (All rights reserved)

Sky plot

Sky plot


Xmas tree, 



In these public groups

China Lijiang Gemini Observatory