21P/Giacobini–Zinner comet
21P/Giacobini–Zinner is passing by the Sun in Sep 2018.
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: 180s * 1
- R: 180s * 1
- G: 180s * 1
- B: 180s * 1
(Total integration 12min)
- Processing: PixInsight 1.8.5, Adobe Photoshop CC 2018