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(meteorobs) Wrong Receiver?



George,
I am, Jack Spencer; grandpa@si-net.com.  John may not have gotten your
message.
BUT----Tell me the date I should look for the Perseids this month.
Hey! Thanks!
Jack

----------
> From: GeoZay@aol.com
> To: meteorobs@latrade.com
> Subject: Re: (meteorobs) More Questions, RA,Decl
> Date: Tuesday, August 04, 1998 1:55 PM
> 
> In a message dated 98-08-04 11:42:40 EDT, you write:
> 
> << 
>  OK, I've been trying to track this stuff down a little. If I understand
>  correctly RA 0, Decl 0, would be just South East of the great square of
>  Pegasus. Right? So the center of the Great Sq. would be about RA 355,
Decl
>  22. Is that about right?<<
> 
> Correct.
> 
>  John>>The approx center of Cassiopeia would be about RA
>  17, Decl 61. ? Am I getting this? So, according to my info ;<<
> 
> I get a RA of about 15:  with a Declination around 61:...close enough.
>  
>  John>>Perseids
>  "Activity from this meteor shower is visible from about July 23 until
>  August 22. At the time of Maximum on August 12/13 (J2000 solar
>  longitude=139.6 deg), the radiant is located at RA=47 deg, DECL=+57
deg.<<
> 
> The Perseids have been displaying two peaks these last several years. The
> First peak(the new one) should occur near 14h UT on the night of Aug
11/12.
> The second and traditional peak should occur near 22 hr UT on the night
of Aug
> 11/12  also. At the time of maximum on Aug 11/12 the radiant is located
at RA
> = 45:, Dec = +58:.
> 
>  John>>The hourly rate typically reaches 80, although some years have
been as
> low
>  as 4 and as high as 200. The meteors tend to be very fast, with an
average
>  magnitude of 2.3, and about 45% leave persistent trains. The radiant
>  advances by a rate of 1.40 deg/day in RA and 0.25 deg/day in DECL."<<
> 
> The average magnitude can change as the earth passes thru the center of
the
> perseid stream. On peak night I often will get an average below 2.0.
Don't
> expect seeing as many this year due to bright moonlight after about 11
pm.
> The perseid radiant advances by a rate of 1.4 deg/day in RA and +0.18
deg/day
> in Dec.
>  
>  John>>So tonight, Aug 4/5the radiant should be at RA 35.8 Decl +55? Is
that
>  correct? ie  just to the west of the "point" of Perseus?<<
> 
> This is correct.
> George Zay