Hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  IC 1396  ·  Sh2-131  ·  VdB142
Getting plate-solving status, please wait...
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

Guiding telescopes or lenses: QHY Mini Guidescope

Guiding cameras: QHY5III290 Monochrome QHY5III290 Guide Camera

Focal reducers: Explore Scientific HRCC

Software: NINA,PhD2,PixInsight

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“

Accessory: Pegasus Astro Universal Focus Cube Autofocuser  ·  Pegasus Astro Pocket Powerbox Advanced Astro powerbox  ·  QHYCFW3-L Filter Wheel


Dates:Aug. 6, 2021Aug. 7, 2021Aug. 8, 2021Aug. 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