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Astrophotography by Mario Cogo |
Mercury crosses a cloudy Sun... |
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07 May 2003, the planet Mercury transit in front of the Sun. This photo show the entire solar disk with a large prominence in the low part ot the picture. The small black dot in the upper left (about 1/160 of the Sun's diameter) is the planet Mercury. |
Date : | 07/05/2003, from (Fossona di Cervarese) Padova - ITALY |
Optics : | Astro-Physics 155 f7 refractor |
Mount : | Astro-Physics GE-1200 |
Exposure : | Prominence : single exposure 1/8 sec. Nikon D100 "Raw digital format" |
Solar disk : single exposure 1/180 sec. Nikon D100 "Raw digital format" | |
Processing : | Minor brightness/contrast enhancement for solar disk, USM 100-3-2 for prominence - PS 6.0 - |
Filter : | Daystar University H-Alpha filter 0.5Å - 130mm energy rejection filter |
Photographers : | Mario Cogo - Giampaolo Salvato |
Note : | Poor seeing, partly cloudy during the H-Alpha photographic session |
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All the images in this site are © Copyright 1996 - 2003 by Mario Cogo |
Any use of this images without the prior written consent of the author is strictly prohibited |
For more information please contact Mario at Cogom@aruba.it |