Hemisphere:  Northern  ·  Constellation: Monoceros (Mon)  ·  Contains:  Christmas Tree cluster  ·  Cone nebula  ·  IC 2169  ·  IC 448  ·  NGC 2251  ·  NGC 2252  ·  NGC 2264  ·  The star 13Mon  ·  The star 15Mon  ·  The star 16Mon  ·  The star 17Mon  ·  The star 30Gem  ·  The star 35Gem  ·  The star 38Gem  ·  The star ξGem
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Cone Nebula widefield, 


            Eric Cauble
Cone Nebula widefield
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Cone Nebula widefield

Technical card

Imaging telescopes or lenses: Samyang 135mm f/2 ED

Imaging cameras: Canon T3i Full Spectrum Canon T3i

Mounts: iOptron CEM25P

Guiding telescopes or lenses: ZWO 30F4 Guidescope

Guiding cameras: ZWO ASI 120MM

Software: SGP  ·  PHD2  ·  PixInsight

Dates:Feb. 2, 2019

10x120" ISO800 bin 1x1
72x60" ISO800 bin 1x1

Integration: 1.5 hours

Darks: ~10

Flats: ~10

Bias: ~15

Avg. Moon age: 27.41 days

Avg. Moon phase: 5.01%

Bortle Dark-Sky Scale: 3.00

Temperature: -3.80

Basic astrometry details

Astrometry.net job: 2534534

RA center: 6h 40' 36"

DEC center: +9° 32' 9"

Pixel scale: 6.799 arcsec/pixel

Orientation: 256.392 degrees

Field radius: 5.499 degrees

Resolution: 1824x1308

Locations: Green Mountain, Green Mountain, North Carolina, United States

Data source: Traveller


Got a late start on this one after skiing at Wolf Mountain. I wish I'd have included the Rosette in the framing.


Sky plot

Sky plot


Cone Nebula widefield, 


            Eric Cauble