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Re: (meteorobs) Re: NWM Perseid 2001 colors
Using just my +1.0 and brighter Perseids...
White - 32%
Blue - 3%
Green - 0%
Yellow - 62%
Orange - 3%
Red - 0%
total of 103 Perseids
--- nmcleod@peganet.com wrote:
> Here is a full treatment of my 2001 Perseid colors
> tallied color vs.
> magnitude, and also total color vs magnitude.
>
> color -3 -2 -1 0 +1 +2
> yellow - 1 3 5 3 3
> orange 1 - 1 2 - -
> blue 1 1 1 4 3 1
> green - 2 - - - -
> orange-yellow - 2 - -
> white-yellow 1 - - - -
>
>
>
> Percent colored vs magnitude :
>
> -3m, 2 out of 2, 100.%
> -2m, 5 out of 5, 100.%
> -1m, 5 out of 5, 100.%
> 0m, 13 out of 13, 100.%
> 1m, 6 out of 6, 100. %
> 2m, 4 out of 21, 19.0%
> 3m and fainter, 0 out of 22, 0.0%
>
>
>
> Using only those Perseids of +1m or brighter, those
> above my color
> threshhold, 31 Perseids total, my color percentages
> are thus :
>
> yellow 38.7%
> orange 12.9%
> blue 32.3%
> green 6.5%
> orange-yellow 6.5%
> white-yellow 3.2%
>
>
> To include fainter meteors in the overall
> percentages would give a
> meaningless result. Below my threshhold for color,
> I cannot declare that
> the meteors are "white." They are merely too faint
> for me to perceive
> color. Telescopic viewing would extend the colors
> to fainter regions, but
> even there a threshhold will appear at some point.
>
> Others have commented on unusual coloring for the
> 2001 Perseids -- I have to
> agree. The orange ones were among the most
> intensely colored meteors I have
> ever seen. I did very well on blue ones, much above
> my average there. Some
> of the blue ones were intense also. (As I have
> gotten older my blue has
> improved greatly. In earlier days it was no
> stronger than star color. )
> The appearance of a couple of green ones was also
> unusual -- normally these
> are rare for me.
>
> Four casual Perseids are included in the results.
> Turns out both of the
> green ones were casual, one seen to the front on the
> drive out.
>
> In stark contrast to the living colors I was seeing,
> Joan didn't see any at
> all. Even the brightest Perseids were just white to
> her. Yet she can see
> colors in the brightest stars.
>
>
>
> Bob said :
>
> >I was also relieved to know that I was not the only
> one on earth seeing
> >orange meteors that night!
>
>
>
> Jure A said :
>
> >Orange is usually the predominant color along with
> yellow, at least for
> >the Perseids. This year, however, there seemed to
> be more blue Perseids
> >than usual. I love those!
>
> My dominant color is almost always yellow. I agree
> with Jure on the blue
> Perseids.
>
>
>
> Gregg's results :
>
> >52% were yellow
> >36% white
> >6% blue
> >5% orange
> >1% green
>
> Bearing in mind the note about "white" above,
> Gregg has the same basic
> colors but not much besides yellow.
>
> I doubt if any two observers would have the same
> color percentages. I am
> still interested in seeing the results of others
> using just their meteors of
> +1m and brighter.
>
>
> Norman
>
>
>
>
>
> Norman W. McLeod III
> Staff Advisor
> American Meteor Society
>
> Fort Myers, Florida
> nmcleod@peganet.com
>
> To stop getting email from the 'meteorobs' list, use
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=====
Gregg, Innkeeper at Always Inn B and B, Soda Springs, CA http://www.alwaysinndot net
Suite101 Contributing Editor - http://www.suite101.com
Editor of "Gardens, Stars and Butterflies" to subscribe, send an e-mail to naturalworld-subscribe@yahoogroups.com
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