M31: Andromeda Galaxy
M31: The closest and the brightest spiral galaxy that can be seen from Korea. It is also naked-eye galaxy, which the spiral disk can be easily observed without any instrument.
2018-09-08 (KST, GMT+9:00), Hwacheon, Korea
- CCD: QHYCCD QHY16200A (-20°C)
- Telescope: Takahashi FSQ-106ED (d=106mm, fl=530mm, f/5.0)
- Filter: L, R, G, B
- Mount: CRUX-170HD with Titan TCS, QHYOAG-M+QHY5L-II, PHD2 autoguided
- Exposure
- L: 300s * 7
- R: 300s * 7
- G: 300s * 7
- B: 300s * 7
(Total integration 140min)
- Processing: PixInsight 1.8.5, Adobe Photoshop CC 2018
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