NGC 2244: Rosette nebula

NGC 2244: Rosette Nebula, Ha enhanced
NGC 2244: Rosette Nebula, L enhanced

NGC 2244: Rosette Nebula

Rosette nebula is one of the most prominent nebula in Winter sky. The cluster at the center can be easily found through binoculars, or telescopes.

2018-12-15 (KST, GMT +9:00): Hongcheon, 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 * 2
    • Ha: 600s * 3
    • (Total integration 70min)
  • Processing: PixInsight 1.8.5, Adobe Photoshop CC 2019

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