NGC2264 – The Cone Nebula

NGC2264 – The Cone Nebula

The Cone Nebula (NGC2264) was discovered in 1785 by William Herschel.
It can be found at a distance of 2.600 light years in the northern part of the constellation Monoceros.

The Cone Nebula is an extensive nebula region surrounding the so called “Christmas Tree Cluster” and it is a part of a much larger complex which is currently actively forming new stars. NGC2264 refers to both the nebula as the star cluster.
The blue emission nebula is caused by ionized hydrogen by the star S Monocerotis.

NGC2261, also known as “Hubble’s Variable Nebula” can be found just below center at the very left side of the image.

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Image data

Name  :  NGC2264 – The Cone Nebula
Type  :  Emission nebula
Constellation  :  Monoceros
Right ascension  :  06h 41m 06s
Declination  :  +09° 53′ 00″
Distance  :  2.600 ly
Other designations  : 
Image date  :  Dec. 29, 2013
Light frames  :  12 x 4 min. G&B (each) 9x 4 min. R unbinned*
19x 10 min. 7nm Ha unbinned (Luminance)
Total integration  :  4h 34m
Dark frames  :  22x Ha & 30x RGB unbinned
Flat frames  :  20x p. filter unbinned
Created with an A3 size Posterpoweruk flatfield panel
Bias frames  :  20x
Software used  :  CCDOps, CCDSoft, Maxim DL, Photoshop CS4
Processing  :  CCDOPS was used for focussing. Image Acquisition was done using CCDSoft.
All separate frames were calibrated, aligned and stacked in MaxIm DL5 Pro.
Photoshop CS4 was used for further processing – curves adjustment, levels adjustment, etc.
Noel Carboni’s toolset was used as well (Local Contrast Enhancement, Deep Space Noise Reduction)
Telescope  :  TMB/LOMO 80/480
Corrector  :  Televue 2″ TRF 2008 flattener/reducer with 15% decrease focal length: 384mm f/4.8
Mount  :  Losmandy G-11 Gemini
Camera  :  SBIG ST-8300M
Guide camera  :  QHY5-II Mono
Guide scope  :  Vixen VMC110L
Autoguide software  :  PHD Guiding
Filters  :  Baader 2″ 7nm Ha, Baader 2″ RGB + IDAS LPS-P2
Location  :  Landgraaf, The Netherlands
Comment  : 
Feb. 07, 2008

1280 x 960px (Older DSLR color image)
800 x 600px (Annotated version)
Telescope : TMB 80/480 + Baader UHC-S
Mount : Losmandy G-11 + Canon 350D
Image data : 60 x 360 sec @ ISO800 = 6h

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