Website review: Russell Croman Astrophotography
explo discovered this in Photography
•54 reviews since Aug 8, 2004
photography, astronomy, astrophotography
•rc-astro.com
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Reviews of this website
explo discovered 48 months ago- Very impressive astrophotography gallery.
- CUMMINGS105 rated 6 days ago
- You never get tired at looking at this stuff.
- anmolmehta rated 3 months ago
- My favorite pictures are almost always of the beauty of stars and space.
- limevelyn rated 3 months ago
- Pictures of Galaxies...
- babygirl333 rated 6 months ago
- I LOVE THIS GALLARY...MY FAVORITE.
- tonyp50 rated 6 months ago
Amazing pictures of the universe.
- topsurf rated 6 months ago
- FROM THE WEBSITE: This enigmatic region in the constellation of Monoceros displays a wonderful mix of nebula types. The bluish areas are reflection nebulas, so-named because they reflect the light of nearby stars. The dust particle size in these areas preferentially reflects blue light, similar to cigarette and other kinds of smoke. The red areas are emission nebulas, and shine by a different mechanism. Ultraviolet light from nearby stars excites hydrogren and other gas atoms in the nebula, which then emit light of their own in specific colors. Finally, what looks a bit like black ink spilled across the image constitutes a dark nebula, and is only seen because of the light that it blocks. In other words, the dark nebula is seen in silhouette.
- ZoeyNMe rated 7 months ago
- Fantastic site for astronomy photography.
- KingBoy rated 7 months ago
- Stunning astrophotography by Russell Croman
- Siva-Senthil rated 8 months ago
- A neat simple astrophotography website. Images are breathtaking. Try viewing any image in full screen in a dark room. You will feel your presence amongst them (stars, galaxies, nebulaes.. in the image).
- vvk rated 10 months ago
Russell Croman : Astrophotography
Awesome astro-photography, showcasing of the beauty of the universe.
The Pelican Nebula
in Mapped Color
This is a portion of the Pelican Nebula [wikipedia], in the constellation of Cygnus, the Swan.
The "mountains" in this image are formed by an area of denser gas and dust that is slowly being eroded away by the ultraviolet radiation from nearby young, hot stars, forming what is known as an ionization front. By using special filters to isolate the light from individual chemical elements, and assigning these elements to different colors, subtle variations in the energy levels within the cloud can be brought into stark detail. Light from oxygen atoms is shown as blue, and represents the highest energy.
Red represents sulphur, and details the areas of lowest energy level, right at the boundary that is the ionization front. The light from hydrogen atoms is used for the green channel and represents an intermediate energy level.
