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(meteorobs) Fwd: Perseids 2001 Observations from Central Texas, USA
Note that Sue is not a member of meteorobs, so please direct any responses
to her email address. Thanks!!
Mark, (sitting in for Lew.......................)
------- Forwarded Message
Fri, 17 Aug 2001 19:56:34 -0500 (CDT)
Date: Fri, 17 Aug 2001 19:56:34 -0500 (CDT)
From: Sue Worden <worden@fcdot net>
To: meteorobs@atmob.org, rarlt@aipdot de, skranz@worldnet.attdot net
Subject: Perseids 2001 Observations from Central Texas, USA
OBSERVER: Sue J. Worden
PLACE: Pedernales Falls State Park "Corral" in Central Texas, USA
DATE: 2001-08-12 (Date and all times are given in UTC)
OBSERVING PERIOD: 04:07 - 06:23
Facing north, 60 deg alt, 04:07 - 05:37
Facing north, 90 deg alt, 05:53 - 06:23
LOCATION: 30.3167 degrees North Latitude
98.2583 degrees West Longitude
970 feet Elevation
CONDITIONS: Clear sky, no clouds throughout observing period
No moon during first observing period
Rising moon during second observing period
Turbulent atmosphere -- star twinkling prevalent
No wind to occasional light breezes
Temperature in high 80s to middle 90s (degrees Fahrenheit)
Limiting magnitude +5.0 during first observing period
See notes below on degradation of limiting magnitude
BREAKS: 05:37 - 05:53
COMMENTS: (1) Data is transcribed from audio recording made during
observation session, with accurate stopwatch set to
WWV at start of session. Times are plus 59 seconds,
minus 0 seconds, i.e., times given are *truncated*
to the minute.
(2) Train length values, when given, are in degrees.
------------------------------------------------------------------------
FIRST OBSERVING PERIOD: 04:07 - 05:37 (facing North, 60 deg alt)
Time Magnitude Direction Train Comments
04:27 +2 NE -> E 10
04:33 +4 NE -> down
04:41 +4 NE -> S 15
04:56 0 NE -> up 20
05:10 0 NE -> up 40 "zippy"
05:11 +3 NE -> up 20
05:18 +3 NE -> N 20
05:19 N -> NW 10
05:24 +2 N -> E 30
05:26 +4 S -> N 10 sporadic
05:36 +2 zenith-> W 25
05:37 +3 N -> NW 30
------------------------------------------------------------------------
SECOND OBSERVING PERIOD 05:53 - 06:23 (facing North, 90 deg alt)
Time Magnitude Direction Train Comments
05:54 0 zenith -> SW 35 "zippy"
05:57 0 zenith -> SW 30
< Moon visible in east, Limiting Magnitude degraded to +4 >
06:18 +2 NNE -> N 15
06:23 0 NW -> W 35
Limiting Magnitude degraded to +3 on zenith at end of observations
------------------------------------------------------------------------
--Sue Worden (worden@fcdot net)
Austin, Texas, USA
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