Description
Rob Gendler has provided an excellent write-up on NGC281. Click here. In summary, NGC281 is a bright, very young HII emission region in the Perseus Arm of our galaxy whose energizing source is the young cluster of OB stars, IC1590, that is estimated to be only 3.5 million years old.
This is a tricolor narrowband image using the Hubble Pallete for color mapping:
Red = Astrodon SII, Green = H-a, Blue = OIII
Image Date: 09/14/2007
Details: Exposure Time: 6.5 hrs H-a, 6 hrs OIII, 6 hrs SII
Camera: SBIG STL11000
Telescope: RC Optical 16" f/8.9 Ritchey-Chretien
Mount: Software Bisque Paramount ME
Details: Exposure Time: 6.5 hrs H-a, 6 hrs OIII, 6 hrs SII
Camera: SBIG STL11000
Telescope: RC Optical 16" f/8.9 Ritchey-Chretien
Mount: Software Bisque Paramount ME