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Name / Constellation

IC 2169

 Other: IC 447; LBN 903

Mon
Coordinates AR: 06h 31m - Dec: +10° 01′
Optics Takahashi FSQ 106N APO Fluorite F5 - 60/220 guiding refractor
Camera-Mount SBIG STF8300M - Orion StarShot Guider - 10Micron GM2000 QCI Mount
Filters Baader LRGB
Exposure
  • Lum
  • Red
  • Green
  • Blue
  • 13 x 900 sec - 4 hours 15 min
  • 10 x 600 sec - 1 hour 40min
  • 10 x 600 sec - 1 hour 40 min
  • 10 x 600 sec - 1 hour 40 min
  • UNBINNED
  • BINNING 2X2
  • BINNING 2X2
  • BINNING 2X2
Location / Date Promiod (Valle D'Aosta-Italy) "TLP" Remote Observatory - 25 jan / 04 feb 2019
Seeing About 3" @ 2.1 arcosec/pixel unbinned
Note  
Acquisition MaxIm DL - CCD Autopilot 5
Processing Adobe Photoshop CS6 -
Comment

 

IC 2169 is a large reflection nebula visble in the Unicorn constellation. Constitutes one of the central regions of the association of massive stars known as Monoceros R1. It's located in the northern parte of the consettaltion, close to the Cone Nebula and the "Christmas Tree" cluster. Estimated distance is 2480 l.y. The association Monoceros R1 has some blue stars of spectral class B and about 7000 M⊙