[Prev][Next][Index][Thread]
Re: (meteorobs) Ursid questions
Cheers GeoZay,
as much as id like to take long exposures,i probably wont be able to,as its
so difficult to find dark sky sites!
With regard to recording the exposure details... as well as the exposure
start/end times ... isn't the appearance time of the meteor also required ??
Clear skies
Leo
At 19:45 19/12/00 -0500, you wrote:
>Leo>>How fast are Ursid meteors ?<<
>
>The Ursids have an entry velocity of 33 km/s....medium speed. These would
>appear somewhat similar as the Geminids in respect to speed.
>
>.Leo>>.. also, i know Ursids are generally faint,but does this shower produce
>any fireballs at all?
>Cloud permitting,i plan to shoot a few rolls of film before the predicted
>peak.<<
>
>Ursids have a population index of 3.0. Thus most of the population will be
>relatively dim. However an occasional fireball will show up. I wouldn't get
>too rambunctious and shoot up a lot of film. You'll probably be disappointed
>if you are expecting anything of significance. To save on film, make
>exposures relatively long. If unguided and for scientific purposes, record
>your start/stop times to within 3 seconds.
>GeoZay
>To UNSUBSCRIBE from the 'meteorobs' email list, use the Web form at:
>http://www.tiacdot net/users/lewkaren/meteorobs/subscribe.html
To UNSUBSCRIBE from the 'meteorobs' email list, use the Web form at:
http://www.tiacdot net/users/lewkaren/meteorobs/subscribe.html
References: