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Hemisphere:  Northern  ·  Contains:  IC 1396
Getting plate-solving status, please wait...
Elephant Trunk (IC 1396) - HOO, 


            Marco Rapino
Elephant Trunk (IC 1396) - HOO
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Elephant Trunk (IC 1396) - HOO

Technical card

Imaging telescopes or lenses: Explore Scientific 102mm ED APO triplet

Imaging cameras: ZWO ASI1600GT

Mounts: Skywatcher EQ6 goto

Guiding telescopes or lenses: Omegon 50mm Guide Scope

Guiding cameras: ZWO ASI290mini

Software: Pleiades Astrophoto PixinsIght  ·  Adobe Lightroom 2019 CC

Filters: Astronomik Ha 6nm  ·  Astronomik OIII 12nm

Dates:July 21, 2020July 22, 2020

Astronomik Ha 6nm: 94x300" (gain: 200.00) -15C bin 1x1
Astronomik OIII 12nm: 90x300" (gain: 200.00) -15C bin 1x1

Integration: 15.3 hours

Darks: ~15

Flats: ~15

Bias: ~100

Avg. Moon age: 1.36 days

Avg. Moon phase: 2.40%

Bortle Dark-Sky Scale: 6.00

Mean SQM: 19.00

Mean FWHM: 2.50

Temperature: 28.00

Basic astrometry details job: 4019808

RA center: 21h 37' 16"

DEC center: +57° 39' 21"

Pixel scale: 1.083 arcsec/pixel

Orientation: 270.289 degrees

Field radius: 0.848 degrees

Resolution: 4461x3438

Locations: Home, Lanciano, Italy

Data source: Backyard


This HOO version of the elephant trunk nebula was obtained using the Cannistra method, creating a synthetic green to preserve more natural colors.



Marco Rapino
License: None (All rights reserved)


  • Elephant Trunk (IC 1396) - HOO, 


            Marco Rapino
  • Final
    Elephant Trunk (IC 1396) - HOO, 


            Marco Rapino


Description: Better HOO colors, took me a while to figure the best PixelMath formula. :)

Sky plot

Sky plot


Elephant Trunk (IC 1396) - HOO, 


            Marco Rapino