Category Archives: Cluster

Small Magellanic Cloud

Small Magellanic Cloud with 47 Tuc
Small Magellanic Cloud with 47 Tuc – Annotated

Small Magellanic Cloud

Small Magellanic Cloud, one of the closest galaxy from the milky way, with 47 Tuc, one of the brightest globular cluster.

2018-01-21 (AWST, GMT+8:00), Badgingarra, Western Australia

  • CCD: QHYCCD QHY16200A (-20°C)
  • Telescope: Takahashi FSQ-106ED F3RD (d=106mm, fl=320mm, f/3.0)
  • Filter: L, R, G, B, Ha
  • Mount: CRUX-170HD with Titan TCS, QHYOAG-M+QHY5L-II, PHD2 autoguided
  • Exposure
    • L: 300s * 7
    • R: 300s * 6
    • G: 300s * 5
    • B: 300s * 5
      (Total integration 115min)
  • Processing: PixInsight 1.8.5, Adobe Photoshop CC 2017

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 * 2
    • L: 300s * 6
    • R: 300s * 2
    • G: 300s * 2
    • B: 300s * 2
      (Total integration 4200s / 70min)
  • Processing: MaxIm DL 6, PixInsight, Adobe Photoshop CC 2017

Rho Oph molecular cloud complex

Rho Oph molecular cloud complex

6th try of Rho Oph molecular cloud complex. Antares and M4 can be seen easily.

2017-05-02, Baekmagoji, Cheolwon, Korea

  • CCD: Camera: CDS-600D (-8°C)
  • Lens: Samyang 135mm f/2.0 (55mm front masked)
  • Filter: N/A
  • Mount: Kenko SkyMemo S
  • Exposure
    • RGB: 180s * 20
      (Total integration 3600s / 60min)
  • Processing: MaxIm DL 6, PixInsight, Adobe Photoshop CC 2017