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Only dust in space
49.9
- 11931 Views
- 897 Votes
- 503 Favorites
99.0
July 20, 2011
15 exposures 600sec. each are summed up in order to enhance the signal to noise ratio. This results in an equivalent overall exposure time of 2.5 h.
With the naked eye only the two brightest stars in the image are visible and you need at least a 10 inch telescope to get only a glimpse of the horsehead nebula.
This is not the case for photographic observation. A 3 inch Pentax 75 SDHF apochromatic refractor with a focal length of 500 mm was used to shoot this picture.
- Camera Canon 350Da (modified)
- Lens Pentax 75 SDHF
- Focal Length 500mm
- Shutter Speed 15x 600 sec
- Aperture f/f/6.6
- ISO/Film 800
- Category Nature
- Uploaded Almost 2 years ago
- Copyright Levin Dieterle
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Please check my last update! Have a good week-end