NGC7293 - The Helix Nebula
Description: NGC7293, the Helix Nebula, is in the constellation of Aquarius. This image was taken on August 15, 2007 from the Oregon Star Party.
Equipment: The image was taken with an Orion ED-80 telescope on a Celestron CGE mount. The camera was an SBIG ST10XME with an Astro-Physics .67 Telecompressor and Astrodon filters. The guide scope and camera were a Celestron C8 with an SBIG remote guide head attached to the ST10. Focusing was done manually.
Exposures: 28x180 seconds luminance binned 1x1, 11x180 seconds each red, green and blue binned 2x2.
Processing: Bias, dark & flat calibration, image registration & color registration were done in Maxim/DL. Curves, levels, LRGB combination, zone sharpening & noise reduction were done in Photoshop CS2.
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