IC 1848 Soul Nebula

Click on the image for a high res version. MOUSE OVER for Luminance only. Look also to the Luminance only hires.

IC 1848 is the open cluster inside the LBN 673 nebula (or Sh2-199); even so, this nebula is much more known with the IC catalog number. It is nicknamed also "Soul" or "Embryo".

Technical Data
Optics TEC 140
Focal Length
1011 mm
Focal Ratio f/7.2
Exposure Time Total 8 h 50 min, composed of Ha-RGB 360:70:40:60 min (single exp of 30 min for Ha and 10 min for RGB)
CCD SBIG STL-11000M @-35°C and @-40°C
Location Capanne di Cosola (AL, Italian Appenines) at 1500 m heigth
Date
17-18 November 2017 (2 nights)
Mount Gemini G-41
Tracking Lodestar on an 80mm f/5 refractor
Temperature and humidity T= (+2 to 0) °C, RH=(50 to 100) %
Sky brightness at zenith (with SQM-L) (20.8 to 21.2) mag/arcsec^2
Notes Very strong wind in the first night, so I got only 1/4 of good RGB images; veils in the second night, so the Ha images are limited.


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