The Elephant Trunk Nebula IC 1386 is a concentration of interstellar gas and dust within the much larger ionized gas region in the constellation Cepheus about 2,400 light years away.
Click on the image to open it at full resolution.
The Elephant Trunk Nebula IC 1386 is a concentration of interstellar gas and dust within the much larger ionized gas region in the constellation Cepheus about 2,400 light years away. The bright rim is the surface of the dense cloud that is being illuminated and ionized by a very bright, massive star (HD 206267) that is just above the Trunk in this image.
A total of 21.2 hours exposure.
Exposure
18@900 sec + 50@1200 sec = 21.2 hours
ISO
800
Camera
Nikon Z7 [8856 x 5504]
Optics
Skywatcher Esprit 120mm Refractor
Filter
Radian Triad Ultra Quad-Band Narrowband Filter
Guiding
Phd2 using a ZWO 224MC on an Orion 60x240mm Guide scope
Controller
Images taken using Kstars on an Odroid-N2 (Raspberry Pi clone)
Field of View
2.08 x 1.37 deg
Location
Lower Sackville, Nova Scotia.
Date
2020-09-06 - 2020-10-15
PixInsight Processing
WeightedBatchPreprocessing Script
2x Drizzle Integration
Dynamic Crop
Automatic Background Extractor
ColourCalibration (both saturation and hue)
MultiscaleLinearTransform
HistogramTransform
CurvesTransformation
LocalHistogramEquilization
ColourProfile
Separation into artificial Ha, Sii and Oiii and processed to create a pseudo HST pallette based on the video by Cuiv, The Lazy Geek's "Dual Band Filtering for Colour Cameras".
