Transit of Mercury 1973 |
The close-up below is a blown-up part of the same image.
Telescope: Home-made refractor 60mm f 15. (Polarex lens)
Eyepiece projection with 25mm eyepiece.
Film: Kodak Panatomic X, 64 ISO. Developed in Microdol 1+3.
Cloudy conditions. Only a couple of minutes partly opening in the clouds.
The homemade telescope and Herschel wedge used is described in this page: Homemade 60mm refractor
© 1973, 2006: Odd Høydalsvik