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Hemisphere:  Northern  ·  Contains:  IC 1396, The star Garnet Star (μCep)
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Elephant's Trunk Nebula with Herschel's Garnet Star, 


            Kristopher Setnes
Elephant's Trunk Nebula with Herschel's Garnet Star
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Elephant's Trunk Nebula with Herschel's Garnet Star

Technical card

Imaging telescopes or lenses: Astro-Tech AT72EDII

Imaging cameras: Fujifilm X-T20

Mounts: SkyWatcher EQ6-R Pro

Guiding telescopes or lenses: Orion 50mm Mini Guidescope

Guiding cameras: QHYCCD QHY5L-II-M

Focal reducers: Apertura FFADJ Adjustable Flattener

Software: PHD2 Guiding  ·  Astroberry Server  ·  CCD Ciel  ·  Siril  ·  The GNU Image Manipulation Program  ·  RawTherapee

Filters: IDAS LPS D2

Dates:Aug. 17, 2020Aug. 18, 2020

Frames:IDAS LPS D2: 224x150" ISO800

Integration: 9.3 hours

Darks: ~20

Flats: ~31

Bias: ~60

Avg. Moon age: 28.32 days

Avg. Moon phase: 1.96%

Bortle Dark-Sky Scale: 7.50

Basic astrometry details job: 3795005

RA center: 21h 37' 18"

DEC center: +57° 30' 3"

Pixel scale: 3.082 arcsec/pixel

Orientation: 269.263 degrees

Field radius: 1.727 degrees

Resolution: 3407x2160

Data source: Backyard


This image includes the famous Elephant's Trunk Nebula at the center. Also, in the image is Herschel's Garnet Star (top right). This is a red supergiant and is one of the largest known visible stars in the Milky Way galaxy.

This is my first image using the IDAS LPS D2 filter. lists my location as Bortle 8.



Kristopher Setnes
License: None (All rights reserved)

Sky plot

Sky plot


Elephant's Trunk Nebula with Herschel's Garnet Star, 


            Kristopher Setnes