| Camera | Canon 20Da | | Date | 9/18/07 | | Description | The Helix Nebula was formed by a star, about the size of our sun, reaching the end of its life. Toward the end of a star's life, the star expands and throws off its outer layers. In the Helix Nebula you see the star's outer layer which is expanding away from the star and reflecting the star's light. | | Processing | AP 160 mounted on ATS portable pier. Taken from our driveway, this pictures is a combination of 15 shots, 5 minutes each, at ISO 1600. The images were aligned, combined, and digitally processed in Images Plus. |
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