Hemisphere:  Northern  ·  Contains:  B161  ·  IC 1396  ·  Sh2-131  ·  VdB142
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IC1396 - The Elephant Trunk Nebula in SHO, 



    
        

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IC1396 - The Elephant Trunk Nebula in SHO

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IC1396 - The Elephant Trunk Nebula in SHO, 



    
        

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IC1396 - The Elephant Trunk Nebula in SHO

Technical card

Imaging telescopes or lenses: Orion EON 115mm ED APO Triplet Refractor

Imaging cameras: ZWO ASI1600MM-PRO

Mounts: ORION HDX-110 EG-G

Guiding telescopes or lenses: Celestron OAG

Guiding cameras: QHY5-III 290MM guide camera

Focal reducers: William Optics 0.8x Flattener IV

Software: PHD Labs PHD 2 Guiding  ·  Sequence generator pro  ·  Carte Du Ciel 3.10

Filters: Astrodon 36mm Ha 5nm  ·  Astrodon 36mm SII 5nm  ·  Astrodon 36mm O3 5nm


Dates:Sept. 18, 2019Oct. 2, 2019Oct. 8, 2019

Frames:
Astrodon 36mm Ha 5nm: 105x240" (7h) (gain: 200.00) -15C bin 1x1
Astrodon 36mm O3 5nm: 105x240" (7h) (gain: 200.00) -15C bin 1x1
Astrodon 36mm SII 5nm: 105x240" (7h) (gain: 200.00) -15C bin 1x1

Integration: 21h

Darks: 40

Flats: 40

Flat darks: 40

Avg. Moon age: 10.93 days

Avg. Moon phase: 59.38%

Bortle Dark-Sky Scale: 5.00


RA center: 21h36m59s.936

DEC center: +57°4116.38

Pixel scale: 1.191 arcsec/pixel

Orientation: 178.343 degrees

Field radius: 0.948 degrees

More info:Open 


Resolution: 4584x3444

Locations: Backyard, Austin, TX, United States

Data source: Backyard

Description

This is my first image with my EON APO after upgrading the focuser to a feathertouch and adding a QHY-M OAG/QHY5-III 290 guider. These upgrade are great and the data was some of the best I have taken. I used my full Pixinsight tonal mapping, LUM processing, MURE denoise and star reduction. Comments and questions welcome.

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) that is just to the east 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.

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IC1396 - The Elephant Trunk Nebula in SHO, 



    
        

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