Sharpless 2-155

Emission Nebula in Cepheus

Uploaded 10/13/02

This complex region covers over a half a degree of sky, this being the center 15 arcminutes. One of the few small nebula in Cepheus to show a sizable shape in Megastar, I decided to shoot the central region where most of the details were. There are hints of yellows, and blues in this object, and a dark obscuring cloud to the lower left of the field.

Instrument:  12.5" f/5 Home made Newtonian
Platform:  Astrophysics 1200 QMD
CCD Camera:  SBIG ST7E w/Enhanced Cooling
Exposure:  LRGB = 60:20:20:20 (RGB Binned 2x2)
RGB Combine Ratio:  1: .95: 1.8
Filters:  RGB Tricolor
Location:  Payson, Arizona
Elevation:  5150 ft.
Sky:  Seeing FMHW = 1.9 arcsec, Transparency 6/10
Outside Temperature:  10 C
CCD Temperature:  -25 C
Processing:  Maxim DL, Photoshop, AIP4WIN, PW Pro.
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