Trifid & Lagoon: M8, M20

Trifid & Lagoon: M8, M20

Trifid Nebula: M20 (left) and Lagoon Nebula: M8 (right). M21 also can be seen.

2017-04-23, Hongcheon, Korea

  • CCD: SBIG STF-8300M (-20°C)
  • Telescope: Takahashi FS-60CB w/ Flattener (d=60mm, fl=374mm)
  • Filter: Baader Ha, L, R, G, B
  • Mount: iOptron CEM25P, QHY5L-II, PHD2 autoguided
  • Exposure
    • Ha: 300s x 2
    • L: 300s x 6
    • R: 300s x 2
    • G: 300s x 2
    • B: 300s x 2
      (Total integration 4200s / 70min)
  • Processing: MaxIm DL 6, PixInsight, Adobe Photoshop CC 2017

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