All posts by hletrd

IC 434: Horsehead nebula

IC 434: Horsehead Nebula
IC 434: Horsehead Nebula – Annotated

IC 434: Horsehead Nebula

IC 434, The Horsehead Nebula, is a horse-shaped dense molecular cloud (Barnard 33) blocking light from a bright emission nebula. A very prominent emission nebula called as Flame Nebula (NGC 2024) is at the left of the Horsehead Nebula.

2019-01-05 (KST, GMT +9:00): Jecheon, 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 * 3
    • Ha: 600s * 2
    • (Total integration 65min)
  • Processing: PixInsight 1.8.6, Adobe Photoshop CC 2019

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

M31

M31 (Andromeda Galaxy)

M31 (Andromeda Galaxy)

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

21P/Giacobini–Zinner comet

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

North America Nebula

North America Nebula – NGC 7000

North America Nebula

North America Nebula – NGC 7000 – A wide and very-bright nebula in the constellation Cygnus.

2018-05-21 (KST, GMT+9:00), Yongin, Korea

  • CCD: QHYCCD QHY16200A (-20°C)
  • Telescope: Takahashi FSQ-106ED (d=106mm, fl=530mm, f/5.0)
  • Filter: Ha, R, G, B
  • Mount: Celestron CGEM, QHYOAG-M+QHY5L-II, PHD2 autoguided
  • Exposure
    • Ha: 300s * 4
    • R: 300s * 2
    • G: 300s * 3
    • B: 300s * 3
      (Total integration 60min)
  • Processing: PixInsight 1.8.5, Adobe Photoshop CC 2018

Fisheye view of the Southern Milky Way

Fisheye view of the Southern Milky Way

Fisheye view of the Southern Milky Way

Fisheye view of the Southern Milky Way. Green aurora is also visible near the horizon.

2018-01-22 (AWST, GMT+8:00), Badgingarra, Western Australia

  • Camera: Sony A7M2 (Unmodified)
  • Lens: Canon EF 8-15mm f/4L Fisheye USM
  • Mount: CRUX-170HD with Titan TCS, QHYOAG-M+QHY5L-II, PHD2 autoguided
  • Exposure: f/4.0, ISO 3200, 30sec x 25
    (Total integration 12.5min)
  • Processing: PixInsight 1.8.5, Adobe Photoshop CC 2017

Vela SNR

Vela Supernova Remnant – the very faint SNR in the southern hemisphere.

Vela SNR

Vela SNR, in Gum Nebula, is very faint SNR exploded about 11,000 years ago.

2018-01-20 – 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: Ha, R, G, B
  • Mount: CRUX-170HD with Titan TCS, QHYOAG-M+QHY5L-II, PHD2 autoguided
  • Exposure
    • Ha: 600s * 8
    • R: 300s * 5
    • G: 300s * 5
    • B: 300s * 5
      (Total integration 155min)
  • Processing: PixInsight 1.8.5, Adobe Photoshop CC 2017

Widefield view around the Eta Carina Nebula

Widefield view around the Eta Carina Nebula

Widefield view around the Eta Carina Nebula

Widefield view around the Eta Carina Nebula. Eta Carina Nebula, Southern Pleiades can be seen well.

2018-01-18 – 2018-01-19 (AWST, GMT+8:00), Mount Magnet, Western Australia

  • Camera: Sony A7M2 (Unmodified)
  • Lens: Samyang 135mm f/2.0 @ f/2.8
  • Mount: CRUX-170HD with Titan TCS, QHYOAG-M+QHY5L-II, PHD2 autoguided
  • Exposure: ISO 1600, 3min * 52
    (Total integration 156min)
  • Processing: PixInsight 1.8.5, Adobe Photoshop CC 2017

Seagull Nebula

Published onto AAPOD² on 2018-08-29!

Seagull Nebula – IC 2177

Seagull Nebula – IC 2177 – Annotated

Seagull Nebula

Seagull Nebula, IC 2177, is an HII region near Sirius, the brightest star in the night sky.

2018-01-20 – 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 * 9
    • R: 300s * 5
    • G: 300s * 5
    • B: 300s * 5
    • Ha: 600s * 5
      (Total integration 170min)
  • Processing: PixInsight 1.8.5, Adobe Photoshop CC 2017