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Contains:  IC 1396
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IC 1396 Elephant Trunk Nebula  HOO-LRGB, 





    
        

            Randal Healey
IC 1396 Elephant Trunk Nebula  HOO-LRGB

IC 1396 Elephant Trunk Nebula HOO-LRGB

Technical card

Resolution: 2467x2907

Dates:June 8, 2018June 9, 2018June 10, 2018

Frames:
Astrodon BLUE 36mm - Gen2 E-Series Tru-Balance: 21x300" -10C bin 1x1
Astrodon GREEN 36mm - Gen2 E-Series Tru-Balance: 20x300" -10C bin 1x1
Astrodon HA 36mm - 5nm: 23x600" -10C bin 1x1
Astrodon LUM 36mm - Gen2 E -Series Tru-Balance: 20x300" -10C bin 1x1
Astrodon Olll 36mm - 3nm: 22x600" -10C bin 1x1
Astrodon RED 36mm - Gen2 E-Series Tru-Balance: 20x300" -10C bin 1x1

Integration: 14.3 hours

Darks: ~50

Flats: ~30

Bias: ~75

Avg. Moon age: 24.81 days

Avg. Moon phase: 23.62%

Bortle Dark-Sky Scale: 4.00

Astrometry.net job: 2713964

RA center: 324.036 degrees

DEC center: 57.494 degrees

Pixel scale: 2.224 arcsec/pixel

Orientation: 278.451 degrees

Field radius: 1.178 degrees

Locations: Healey "Utahopia" Observatory, Kaysville, Utah, United States

Data source: Backyard

Description

This is a combination of narrow band and LRGB data to get the result I wanted. Hope you enjoy and I always welcome comments.

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 piece of the nebula shown here is the dark, dense globule IC 1396A; it is commonly called the Elephant's Trunk nebula because of its appearance at visible light wavelengths, where there is a dark patch with a bright, sinuous rim. The bright rim is the surface of the dense cloud that is being illuminated and ionized by a very bright, massive star (HD 206267) 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.

Comments

Author

RandalHealey
Randal Healey
License: None (All rights reserved)
2490
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Revisions

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  • Final
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Sky plot

Histogram

IC 1396 Elephant Trunk Nebula  HOO-LRGB, 





    
        

            Randal Healey