Hemisphere:  Northern  ·  Constellation: Monoceros (Mon)  ·  Contains:  15 S Mon  ·  Christmas Tree Cluster  ·  NGC 2264  ·  Sh2-273  ·  The star 15Mon
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Way Inside The Cone Nebula, 


            Tom Peter AKA Astrovetteman
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Way Inside The Cone Nebula

Imaging telescopes or lenses: Planewave 24" CDK24

Imaging cameras: FLI ProLine PL09000

Mounts: 10 Micron GM3000

Guiding telescopes or lenses: Planewave 24" CDK24

Software: PinInsight 1.8  ·  Adobe Photoshop CS5 Photoshop CS5

Filters: Astrodon 3nm OIII  ·  Astrodon 3nm SII Astrodon  ·  Astrodon Tru-Balance E-Series Gen 2 50 mm square Astrodon LRGB

Dates:March 2, 2021

Frames: 36x300"

Integration: 3.0 hours

Avg. Moon age: 18.25 days

Avg. Moon phase: 86.89%

Astrometry.net job: 4270522

RA center: 6h 40' 59"

DEC center: +9° 52' 16"

Pixel scale: 0.620 arcsec/pixel

Orientation: 0.679 degrees

Field radius: 0.363 degrees

Resolution: 3012x2948

Locations: Telescope Live-Chile, El Sauce, Chile

Data source: Amateur hosting facility


I had one heck of a time processing this one! When I put the SHO channels together, I could see the bright stars and some green haze. I did manage to pull a luminance image out of , what I thought, was a fair amount of data. I saved up 6 One-Click Observations from Telescope Live (which is not a lot but a fair amount--12 each @300s). I did a Buch of ColorMasks and CurvesTransformation and came up with this. I have no idea how these colors should look, this deep into the nebula. I think that this field is centered on the star 15 S Mon which looks like it resides in a cave of nebulosity and it's a part of the Christmas Tree Cluster (NGC 2264) the actual Cone is just below the bottom of the image.
This is an emission nebula and the Christmas Tree Cluster consists of young stars that are mostly obscured by dust clouds, within which there is a lot of new star formation going on.
Anyway, hope ya like it...I thought it looked kind of neat!


Sky plot

Sky plot


Way Inside The Cone Nebula, 


            Tom Peter AKA Astrovetteman