• The Elephant Trunk Nebula in Cepheus
    • IC 1396 in Cepheus, the Elephant Trunk Nebula
    IC1396 in Cepheus
  • The Elephant Trunk Nebula is an emission nebula composed of dust and gas.
  • It is a darker region just above the brightest central star and
  • is part of a large, faint emission nebula in Cepheus.
  • Hover over the picture for an annotated version
  • Date:  26, 31 July and 10 August 2024
  • FOV:  Approximately 4° 10' × 2° 47'
  • Telescope:  Askar FRA300 pro (300mm f/5 Petzval)
  • Guiding:  ZWO ASI120MM mini mono guide camera,
  • Stellarvue F050G 50mm guide scope
  • Computer:  ASIair pro Raspberry Pi
  • Mount:  ZWO AM5 harmonic drive
  • Camera:  ZWO ASI6200MC Pro Cooled (-10°C) Color CMOS with gain 100
  • Pixel size:  3.76 μm
  • Resolution:  2.594 arcsec/pixel
  • Frames:26July 202442 × 240 seconds × 100 gain,
  • 31July 202451 × 240 seconds × 100 gain,
  • 10 August 202415 × 240 seconds × 100 gain
  • Filter:  Optolong L-eNhance filter 26 and 31 July 2024,
  • Optolong UV-IR cut filter 10 August 2024
  • Stacking:  one hundred and eight 240 second frames using Pixinsight
  • Total Time:  7 hours 12 minutes
  • Processing:  Pixinsight – SPCC, DBE, SPCC, BlurXT, NoiseXT,
  • MStr, GHS, HST, PixelMath MStr + GHS + HST → PM,
  • RC Astro StarXTerminator → Stars, Starless;
  • Stars GHS Sat → Stars_Sat, Starless → HDR9i;
  • PixelMath Blend Star_Sat and HDR9i; Scale
  • Location:  Darling Hill Observatory near Vesper, NY