Celestial hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  IC 1396  ·  The star Garnet Star (μCep)
IC 1396, The Elephant’s Trunk Nebula, Cep (processing via StarXTerminator), Vladimir Machek
IC 1396, The Elephant’s Trunk Nebula, Cep (processing via StarXTerminator)
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IC 1396, The Elephant’s Trunk Nebula, Cep (processing via StarXTerminator)

IC 1396, The Elephant’s Trunk Nebula, Cep (processing via StarXTerminator), Vladimir Machek
IC 1396, The Elephant’s Trunk Nebula, Cep (processing via StarXTerminator)
Powered byPixInsight

IC 1396, The Elephant’s Trunk Nebula, Cep (processing via StarXTerminator)

Equipment

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Acquisition details

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Description

DESCRIPTION: I captured this big and bright nebula by my 500 mm lens and I tried processing via starless version of image. The first attempt was uploaded on October 20, 2021 and was processed via Starnet++. This second attempt was processed via StarXTerminator. I think the outcome is much better. All your comments and/or tips are welcome. 

OBJECT: IC 1396, The Elephant’s Trunk Nebula, Constellation Cepheus (Cep), apparent magnitude 4, apparent dimension 3°x2°, FOV 4,1° x 2,7°. 

GEAR: Nikon Z7 Kolari Full Spectrum + Nikkor 500/5,6 PF, Astronomic UV/IR/L2 Clip in filter, Rollei Astroklar light pollution filter,  Dew heater strip, Sensor pixel scale 1,79 arcsec/px,  tracking mount iOptron CEM60EC - 3 star alignment, no auto guiding. 

ACQUISITION: September 4, 2021, Struz, CZ, Subexposure 180s, f 5,6, ISO 2000, Interval 15 s, RAW-L, Light 40x, Dark 30x, Bias 20x, Flat 20x, DarkFlats10. Total exposure time 120 min. Night, no wind, 8°C, Backyard - Light pollution - Bortle 5. 

STACKING AND POST PROCESSING: AstroPixelProcessor (stacking, background neutralization, light pollution removal, calibrate background) , StarXTerminator (remove stars), Adobe Photoshop CC 2020 (stretching, black and white point settings,  enhance DSO,  contrast setting and sharpening, separate stars, all blending together). No cropped, image size 3840 x 2560 px.

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