Gueri & Fred's astronomy

 

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M51

 

Lens : AP Traveler @ 5.8

Focal length :610 mm 

Camera : MX 7C

Exposure : 53x 30s

Filter : none

Date : March 19th 2005

Lens : AP Traveler @ 5.8

Focal length :610 mm 

Camera : MX 717

Exposure : 53x 60s

Filter : none

Date : March 7th 2007

 

All pictures are copyright Frederic Pertuisot and may not be reproduced without permission