Hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  IC 1396  ·  Sh2-131  ·  VdB142
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Elephant Trunk Nebula SHO, 



    
        

            David A Pyle
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Elephant Trunk Nebula SHO

Getting plate-solving status, please wait...
Elephant Trunk Nebula SHO, 



    
        

            David A Pyle
Powered byPixInsight

Elephant Trunk Nebula SHO

Imaging Telescopes Or Lenses
Explore Scientific 208mm f/3.9 Carbon Fiber Newtonian Reflector
Imaging Cameras
QHY163M Monochrome Cooled QHY163M
Mounts
Skywatcher EQ6-R Pro
Filters
Baader LRGB 2" · Baader Ha Narrowband 7nm CCD-Filter 2" Baader Ha 2” · Baader OIII 8.5nm 2" Baader OIII 2” · Baader SII 8nm 2“
Accessories
Pegasus Astro Universal Focus Cube Autofocuser · Pegasus Astro Pocket Powerbox Advanced Astro powerbox · QHYCFW3-L Filter Wheel · Explore Scientific HRCC
Software
NINA,PhD2,PixInsight
Guiding Telescopes Or Lenses
QHY Mini Guidescope
Guiding Cameras
QHY5III290 Monochrome QHY5III290 Guide Camera

Acquisition details

Dates:
Aug. 6, 2021 ·  Aug. 7, 2021 ·  Aug. 8, 2021 ·  Aug. 13, 2021
Frames:
Baader Ha Narrowband 7nm CCD-Filter 2" Baader Ha 2”: 210x180" (10h 30') (gain: 120.00) -10C bin 1x1
Baader OIII 8.5nm 2" Baader OIII 2”: 120x180" (6h) (gain: 120.00) -10C bin 1x1
Baader SII 8nm 2“: 140x180" (7h) (gain: 120.00) -10C bin 1x1
Integration:
23h 30'
Darks:
20
Flats:
40
Flat darks:
40
Avg. Moon age:
22.64 days
Avg. Moon phase:
8.07%
Bortle Dark-Sky Scale:
5.00

RA center: 21h35m25s.966

DEC center: +57°3015.91

Pixel scale: 0.450 arcsec/pixel

Orientation: 82.736 degrees

Field radius: 0.689 degrees

More info:Open 

Resolution: 6637x8784

Locations: Corpus Christi, TX, Corpus Christi, TX, United States

Data source: Backyard

Description

My longest integration time to date, with over 20 hours spent on this object. I added more Ha data to a total of 10.5 hours, and used that as a luminance layer which really smoothed the image and noise that was dominant in my first try.

Comments

Revisions

  • Elephant Trunk Nebula SHO, 



    
        

            David A Pyle
    Original
  • Final
    Elephant Trunk Nebula SHO, 



    
        

            David A Pyle
    B

Sky plot

Sky plot

Histogram

Elephant Trunk Nebula SHO, 



    
        

            David A Pyle