Hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  IC 1396
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Elephant's Trunk Nebula (IC1396), 


            Theodore Arampatzoglou
Elephant's Trunk Nebula (IC1396)
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Elephant's Trunk Nebula (IC1396)

Technical card

Software: PixInsight  ·  PHD Guiding  ·  CCDStack  ·  Photoshop  ·  eqmod

Filters: Baader Planetarium SII 8.5nm 1.25"  ·  Ha 5nm  ·  OIII 3nm

Dates:July 20, 2020

Frames: 162x600"

Integration: 27.0 hours

Avg. Moon age: 29.30 days

Avg. Moon phase: 0.06%

Basic astrometry details

Astrometry.net job: 3717847

RA center: 21h 35' 55"

DEC center: +57° 31' 58"

Pixel scale: 1.901 arcsec/pixel

Orientation: 268.823 degrees

Field radius: 1.280 degrees

Resolution: 3786x3024

Data source: Backyard


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.
Location: Stinger of Scorpius Observatory, Filiates, Thesprotia - Greece.

Processing: Kostas Tsekas - Theodore Arampatzoglou
Bortle Scale: Class 4
Telescope: William optics star 71 f/4.9
Mount: Avalon linear fast reverse
Guide Scope : Skywatcher ed80 Black Diamond
Guide Camera:ZWO ASI290MM Mini
Camera: CCD Atik One 6.0 Monochrome
Filters: Astrodon Ha 5nm 60X600sec - 10 hours total
Astrodon Oiii 3nm 60X600sec - 10 hours total
Baader Sii 8nm 42X600sec - 7 hours total
Binning: 1x1 for each filter
Sensor temperature: -10°C for each filter
Process: Pixinsight - CCD stack - Photoshop CS6
Dates: 14/06/2020 - 16/06/2020 (HA Filter)
Dates: 20/06/2020 - 17/07/2020 (OIII Filter)
Dates: 18/07/2020 - 20/07/2020 (SII Filter)
Total exposure : 27 hours