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NGC 2264 (Christmas Tree Cluster and Cone Nebula), Sh2-273 (Foxfur Nebula)

This is amazing region in the constellation of Monoceros, which includes some objects of different kind. NGC 2264 is a designation number that identifies two objects as a single object: the Cone Nebula and the Christmas Tree Cluster. The last is a young galactic cluster of stars in the Monoceros OB 1 association. Brightest members of the cluster resemble a "Christmas Tree". At its base is the variable star S Mon and at its top is the Cone Nebula - a conical shaped pillar of dust and gas. The part of the cloud near S Monocerotis has been designated as Sh2-273 and was nicknamed the "Foxfur" nebula due to its resemblance to a fox. This is a Ha_RGB combination. Other versions of this region are also available.

The subframes of this image were acquired in a long period of time (between November 2012 and January 2013) Since in begin of December I had to rotate slightly the camera (in order to improve the balance), the orientation of the subs are different. This explains the double star spikes.

This image was taken remotely from the remote controlled IRIDA Observatory .


Technical Details:

Optics: ASA N12 Astrograph at F/3.6
Mount: ASA DDM 85
Camera: SBIG STL-11000M
Filters: Astronomik LRGB filter set
Dates/Times: November 2012 - January 2013
Location: Rozhen, IRIDA Remote Observatory
Exposure Details: Ha = 1230 min, R = 70 min., G = 70 min., B = 70 min.
Subexposures: Ha = 30 minutes and 15 minutes, RGB = 10 minutes
Acquisition: CCD Soft
Processing: PixInsight, Photoshop CS

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