Amazing Sky by Alan Dyer

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Comet Holmes 17P (135mm Nov 3, 2007).jpg

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Comet Holmes, 17P, with it near the Perseus OB Association of bright stars. Taken November 3, 2007. The comet has a larghe cyan-tinted coma with faint blue streamers of an ion tail to the roght.

Technical:
With the Canon EF135mm telephoto lens at f/2.8 and Canon 20Da at ISO 800, for a stack of 4 x 2.5-minute tracked exposures. Reprocessed in 2025.
Copyright
© 2007 Alan Dyer
Image Size
3510x2370 / 5.1MB
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Comets
Comet Holmes, 17P, with it near the Perseus OB Association of bright stars. Taken November 3, 2007. The comet has a larghe cyan-tinted coma with faint blue streamers of an ion tail to the roght. <br /> <br /> Technical:<br /> With the Canon EF135mm telephoto lens at f/2.8 and Canon 20Da at ISO 800, for a stack of 4 x 2.5-minute tracked exposures. Reprocessed in 2025.