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Re: (meteorobs) Observations July 29/30
Hi George!!
> 1) For plotting I know that you plot the begin and end point, and he
> wavy line for trains, however, has anyone ever drawn lines back and
> taken them to the radiants to make sure that they belonged to the
> radiants that you called them. I know that some people use the cord
> or hand measurements to taked the meteor back in the sky to a
> possible radiant, but has it ever been done on paper.<<
>
> Kim, if you are plotting you are suppose to use a ruler to line up with your
> drawn in meteors to see if they come relatively close to a radiant position of
> a shower or not. I do this with all my plots on paper.
Yes, I knew that you drew the lines with a ruler, I was just
wondering if the lines are drawn backwards to the edge of the page.
To see how many would converge at one point.
> Kim>>2) Question can anyone please tell me that speed of North Delta
> Aquarids. I have some meteors that could be classed as this, but
> uncertain of the speed.<<
>
> The entry speed of the North Delta Aquarids is 42 km/s. I know you have a copy
> of my book. The various shower speeds is listed on page 68.
Ok, thanks George, I will take a look. I would presume by 42 km/s
that it would be med fast.
Kim
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Moonlight Cascade Observatory/BBS
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Astronomy-RASC,SARA,ALPO/AAVSO-Solar Section
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