THE TOTALITY

The first images of the eclipse of August 11, 1999!
Images taken by Lorenzo Comolli

This images show the best and  more fascinating show of the nature: the Total Eclipse. In the 2 minutes and 22 seconds was visible the Corona, the solar atmosphere.

The images was taken from 10.48.30 to 10.50.52, Universal Time.

Kodak Gold 100 ASA film, 80mm f/5 refractor with a focal multiplier, obtaining a focal of 800mm at f/10.
The time of exposure in indicated near each image.

1/2000

1/1000
1/500 
1/4000 
1/2000
1/1000
1/500 
1/250 
1/125
1/60
1/30 
1/15 
1/8
1/4
1/2 
1 sec 
3 sec
 
 

Elaboration of the Corona

Click on the image for downloading the bigger version.

This elaboration make visible what can be viewed with a binocular: the Corona is visible from the edge of the Moon to the borders, the prominences are of a very strong red.

This image was obtained in this way:

  • sum of 12 images, with exposures of 3s, 1s, 1/2, 1/4, 1/8, 1/15, 1/30, 1/60, 1/125, 1/250, 1/500, 1/1000 (scanned with a 2700dpi with a film scanner). The sum was done either in Photoshop 5.0 (8 bit each RGB channel) and Qmips v1.8 (16 bit gray);
  • elaboration with a rotational gradient of 1.5 and 10 degrees using Qmips;
  • the three images were added for making visible the fine and big details using the "overlay" option in the layers of PS;
  • adding the red prominences.
Note: the outer Corona is not visible due to the soft clouds that filtered the light.



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