IC 434: Horsehead nebula

IC 434: Horsehead Nebula
IC 434: Horsehead Nebula – Annotated

IC 434: Horsehead Nebula

IC 434, The Horsehead Nebula, is a horse-shaped dense molecular cloud (Barnard 33) blocking light from a bright emission nebula. A very prominent emission nebula called as Flame Nebula (NGC 2024) is at the left of the Horsehead Nebula.

2019-01-05 (KST, GMT +9:00): Jecheon, Korea

  • CCD: QHYCCD QHY16200A (-20°C, ambient temperature: -10°C)
  • Telescope: Takahashi FSQ-106ED (d=106mm, fl=530mm, f/5.0)
  • Filter: L, R, G, B, Ha
  • Mount: CRUX-170HD with Titan TCS, QHYOAG-M+QHY5L-II, PHD2 autoguided
  • Exposure
    • L: 300s * 2
    • R: 300s * 2
    • G: 300s * 2
    • B: 300s * 3
    • Ha: 600s * 2
    • (Total integration 65min)
  • Processing: PixInsight 1.8.6, Adobe Photoshop CC 2019

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