그림:Comet-Ikeya-Zhang.jpeg

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Comet-Ikeya-Zhang.jpeg (71KB, MIME 종류: image/jpeg)

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Description

Photo of the comet Ikeya-Zhang. The photo was taken using the following equipement:

  • Camera: Pentax 6x7
  • Lens: Pentax Takumar 400mm f/4.0
  • Film: Fuji Provia 400
  • Exposure: 10min. at f/4
  • Scan: Umax Astra 1220S with transparency adaptor
  • Processing: Removing of vignetting and gradient (light pollution); the bad quality of the scanner shows up in the irregular density and color variation across the frame.
Source

Homepage of Homepage of Philipp Salzgeber

Date

photo taken 1. Apr. 2002

Author

Philipp Salzgeber

Permission

Philipp Salzgeber released the pictures under CC-BY-SA-2.0-AT, see bottom of http://salzgeber.at/astro/ (and before he also gave me the personal permission at forum.astronomie.de for GFDL-free usage)

Creative Commons License
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This file is licensed under Creative Commons Attribution ShareAlike 2.0 Austria License

Diese Datei ist lizenziert unter der Creative Commons-Lizenz Attribution ShareAlike 2.0 Österreich

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