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PHOTOGRAPHY BY
Margaret Watson LRPS AFIAP
 

Astro Gallery, Nebulae, IC1396 and Elephant Trunk Nebulae
IC1396 and Elephant Trunk NebulaeMouseover image to see plate solved annotations, click image to see it at a larger size.

IC1396 and Elephant Trunk Nebulae

Image contains IC 1396, vdb142

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. 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.


Reference:1006Date taken:July 2012
Ambient temperature:22CLocation:Galera, Spain
Imaging telescope:Takahashi FSQ85EDXImaging camera:Atik 383L+
Camera setpoint:-10CMount:Takahashi EM200 Temma 2M
Guiding telescope:ST-80Guiding camera:SSAG
Filters:Baader Ha, OIII, SIILight frames:Ha=12 x 600s, Ha=18 x 1200s, OIII=18 x 1200s, SII=18 x 1200s
Integration:20 hoursDark frames:35
Flat frames:20 each channelBias frames:35
Capture software:MaximDLGuiding software:MaximDL
Processing software:PixInsight, Fits Liberator, PS CS5Accessories:Lakeside focuser
Published in:Digital Camera Magazine January 2015 
 
Processing notes:This image has been reprocessed and combines data taken in July 2012 and Sept 2013

Center (RA, hms): 21h 36m 35.670s
Center (Dec, dms): +57 30' 05.918"
Size: 2.21 x 1.56 deg
Radius: 1.351 deg
Orientation: Up is -90.5 degrees E of N
Online plate solving courtesy of astrometry.net
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