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Contains:  IC 1396
Getting plate-solving status, please wait...
IC1396 - The Elephants Trunk, 





    
        

            Paddy Gilliland

IC1396 - The Elephants Trunk

Technical card

Imaging telescope or lens:Takahashi FSQ 106EDXIII

Imaging camera:QSI 683WSG-8 OAG QSI 683

Mount:Paramount MyT

Guiding telescope or lens:Takahashi FSQ 106EDXIII

Software:Pixinsight 1.8

Filters:Ha 5nmOIII 5nmSII 5nm

Resolution: 3310x2474

Dates:Oct. 2, 2015Nov. 16, 2015Nov. 22, 2015

Frames:
Ha 5nm: 17x1800" bin 1x1
OIII 5nm: 17x1800" bin 1x1
SII 5nm: 17x1800" bin 1x1

Integration: 25.5 hours

Avg. Moon age: 11.72 days

Avg. Moon phase: 60.10%

Astrometry.net job: 876044

Locations: Deep Sky West Remote Observatory (DSW), Rowe, New Mexico, United States

Description

Here is my look at the Elephants trunk - hope you enjoy.
Rev B - Few little issues tidied.

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The Elephant's Trunk nebula is a concentration of interstellar gas and dust within the much larger ionized gas region IC 1396 located in the constellation Cepheus about 2,400 light years away from Earth. The bright rim is the surface of the dense cloud that is being illuminated and ionized by a very bright, massive star (HD 206267) that is just to the west of IC 1396A. The entire IC 1396 region is ionized by the massive star, except for dense globules that can protect themselves from the star's harsh ultraviolet rays.

The Elephant's Trunk nebula is now thought to be a site of star formation, containing several very young (less than 100,000 yr) stars that were discovered in infrared images in 2003. Two older (but still young, a couple of million years, by the standards of stars, which live for billions of years) stars are present in a small, circular cavity in the head of the globule. Winds from these young stars may have emptied the cavity.

The combined action of the light from the massive star ionizing and compressing the rim of the cloud, and the wind from the young stars shifting gas from the center outward lead to very high compression in the Elephant's Trunk nebula. This pressure has triggered the current generation of protostars. Wikipedia

Comments

Author

patrickgilliland
Paddy Gilliland
License: None (All rights reserved)
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Revisions

  • IC1396 - The Elephants Trunk, 





    
        

            Paddy Gilliland
    Original
  • Final
    IC1396 - The Elephants Trunk, 





    
        

            Paddy Gilliland
    B

Histogram

IC1396 - The Elephants Trunk, 





    
        

            Paddy Gilliland