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Contains:  IC 1396
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IC 1396a - Elephant's Trunk Nebula, 


            Hap Griffin
IC 1396a - Elephant's Trunk Nebula

IC 1396a - Elephant's Trunk Nebula

Technical card

Imaging telescope or lens:Takahashi FSQ-106N FSQ

Imaging camera:QSI 583wsg

Mount:apt1200gto AP1200

Software:CCD Autopilot 5

Resolution: 2463x2301

Dates:Aug. 29, 2009

Frames: 20x600"

Integration: 3.3 hours

Avg. Moon age: 9.20 days

Avg. Moon phase: 68.90% job: 1512681

RA center: 323.727 degrees

DEC center: 57.640 degrees

Pixel scale: 2.102 arcsec/pixel

Orientation: -88.191 degrees

Field radius: 0.984 degrees

Locations: ImagingInfinity Observatory, Bethune, SC, United States


IC1396a, sometimes called the "Elephant's Trunk Nebula" is a huge column of cold hydrogen gas and dust within the much larger IC1396 nebula complex, one of the largest emission nebulae visible in the sky. It is being ionized and blown away by the ultraviolet radiation from nearby stars. Inside the "head" of the nebula can be seen a hollowed out area caused by the formation of the small young star within it (LkHa349c) and the three solar mass star LkHa349a to its lower left. The dark globules are area where gas and dust are coalescing under gravity and shock waves into new stars. IC1396 lies at a distance of 1500 lights years.

This image was captured through a narrowband filter admitting only a narrow slice of spectrum around the wavelength of glowing hydrogen. Thus it is a monochrome (single color) image displayed as shades of grey.



Hap Griffin
License: None (All rights reserved)

Sky plot

Sky plot


IC 1396a - Elephant's Trunk Nebula, 


            Hap Griffin