13 June 2004

8 June 2004

Observing
Location
Finney Walk, Carl Schurz Park, New York, NY
Atmospheric ConditionsThere was heavy clouds on the horizon and the Sun was not visible for the first 30 minutes after sunrise.
Observing
Instruments
Canon 15x50Image Stabilized binoculars, Baader AstroSolar filter film
Brunton 8x21 compact binoculars, #14 gold welders' glass
Observing
Party
AAA public observing event. Crowd of 300-500 estimated.

TargetTransit of Venus
Time8Jun04; 05:26-7:33 EDT
CommentsThe transit began at 0113 EDT so only the last two hours of it were visible after sunrise. Ingress was viewed on the Internet at home. When it first punched through the clouds the Sun was very red and not bright enough to see through the Baader filter. Initial observations were made through unfiltered Burnton 8x21 binoculars. Throughout the event Venus appeared large and well defined against the bright disk of the Sun. About 90 minutes after sunrise the Sun was high enough that at appeared more white in the Baader filter. As Venus approached the limb of the sun the Black Drop Effect became evident. I did not observe any illumination of Venus' atmosphere. That portion of Venus that was off the Sun's disc was not visible at all.
See another report of this event complete with pictures and an animation at http://digitalmagic.i8.com/Venus04/

Disclaimer
This is my personal record of my astronomical observations. It was written for my personal reference. The only reason it is in a blog is that a blog is a very convenient way to get the records formatted more or less uniformly and they will, hopefully, have greater longevity at Google where the servers are backed up than on my hard drive which never gets backed up. I occasionally include copyrighted material in my posts. I do this to make it convenient for me to access things I think I might want to refer to again. I think of this like making a photocopy of something I read that I put in a file where I can find it when I want it. As I understand copyright law, as explained in the DVD series Copyright Compliance by Chip Taylor Communications, this use is allowed under the Fair Use doctrine since I am not making any money on this blog, I don’t publicize the blog, and only occasionally post small excerpts of copyrighted works.


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