Nightscapes & Deep Sky Colors
Astrophotography © Brian A. Morganti
NGC 7000 - North American Nebula
IC 5070 Pelican Nebula
The North American & Pelican Nebula are easily recognized by its resemblance to the North American continent and the bird. They can be observed under dark skies with a small telescope and a nebula filter. The North American Nebula lies 1,800 light-years from Earth and the Pelican is 1,500 light-years away. The North American Nebula spans a region of 50 light-years across. These nebula are part of a huge H-II cloud of hydrogen gas, illuminated by nearby stars. Like other H-II regions, the hydrogen gas is excited by the stellar energy and then emits its own light at the characteristic red wavelength of hydrogen. These two nebula are separated by a broad area of light-absorbing dark clouds within a star-rich region of the Milky Way.
For comparison, the image of the North American nebula shown below
was my first ever astro image taken two years earlier.
The North American Nebula is easily recognized by its resemblance to the continent. It can be observed under dark skies with a small telescope and a nebula filter. However, the beautiful red color which is common to emission nebula can only be seen in long exposure photographs, particularly with a filter modified DSLR camera.
Astrophotography - Nightscapes & Deep Sky Colors