A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Position-Finding
From: Ken Muldrew
Date: 2004 Jun 8, 13:47 -0600
On 8 Jun 2004 at 14:54, Robert Eno wrote: > Ok. I will have to admit complete ignorance. Please explain what is > meant by "blackdrop" then I might be able to tell you if I so it or > not! The phenomenon that made it hard to time the entry and exit of venus from the sun's disk. I don't know what the phenomenon was supposed to look like, but it frustrated observers trying to determine the exact timing during the last transit. Ken Muldrew.