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


Elephant's Trunk Nebula, IC 1396
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Elephant's Trunk Nebula, IC 1396

Technical card

Imaging telescopes or lenses: Williams Optics RedCat 51

Imaging cameras: ZWO ASI1600MM Pro

Mounts: Celestron CGX  ·  Ioptron SkyGuider Pro

Guiding cameras: ZWO ASI120MM-S

Software: AstroPixelProcessor  ·  Startools 1.5  ·  Gimp 2.10.8

Filters: ZWO LRGB 31 MM,Halpha,SII,OIII

Dates:April 6, 2021

Frames: 45x120"

Integration: 1.5 hours

Avg. Moon age: 24.25 days

Avg. Moon phase: 28.37%

Basic astrometry details

Astrometry.net job: 4389111

RA center: 21h 35' 37"

DEC center: +57° 41' 34"

Pixel scale: 3.165 arcsec/pixel

Orientation: 260.184 degrees

Field radius: 0.962 degrees

Resolution: 1401x1683

Locations: Home (Bortle 5), Guildford, United Kingdom

Data source: Backyard


The Elephant's Trunk Nebula, IC1396, in the constellation of Cepheus 2,400 light years away.
06 Apr 2020 - I added 1.5 hours of Ha (45 x 120s gain 200) to previous data set acquired in April 2021 from my back garden and cropped as the extra Ha gives better definition in the main feature.

The updated uncropped image can be seen at here

I can get most of the 'name-it-what-it-looks-like' nebulae like the Wizard, the Witch's Head, The Seagull, The Monkey Head but I've never really visualised the elephant's trunk...