(meteorobs) Obs: 22 Apr 2012

[David Oesper]

22 Apr 2012 0600-1100 UT (22 Apr 1:00 - 6:00 a.m. CDT)

David Oesper
Sierra la Rana observing pads, ESE of Alpine, TX
30 21 15.8 N, 103 33 55.5 W, 5165 ft.
Method: Visual, digital voice recorder, talking clock

0600-1100 UT, clear
39 Lyrids [magnitude -2 (1), -1 (3), 0 (5), +1 (13), +2 (7), +4 (2), +5 (2), unrecorded (6)]
10 Sporadics [magnitude +1 (4), +2 (3), +3 (2), unrecorded (1)]
TOTAL: 49 meteors

0600 - 0700 UT:   2 L, 0 S
0700 - 0800 UT:   3 L, 1 S
0800 - 0900 UT: 12 L, 3 S
0900 - 1000 UT: 12 L, 3 S
1000 - 1100 UT: 10 L, 3 S

0600 begin session; sky clear; facing ENE towards the Lyrid radiant
0600 estimated limiting magnitude (visually) ~6.5
0609 M13 visible to unaided eye, altitude 47 degrees
0614 L+1
0648 L+1
did I fall asleep?
0751 S+1
0756 L+1, L+?
0758 L+2
0801 L+0
0808 L-1, L+4
0809 L-2
0813 S+3
0819 L+4
0821 L+5
0831 S+3
0841 L+1
0847 L+0
0851 L+?, L+?
0853 L+?
0856 L+?
0859 S+1
0904 S+2, L+2
0914 L+1, S+1
0919 L+1
0921? L+1
0924 L+1
0930 L+2
0932 L+1, L+1; simultaneous!  nearly perpendicular paths (~80 degree angle)
0947 L+1
0948 L+5
0953 S+2; an "anti-Lyrid"
0955 L+2
0957 L+0
1006 The "Coathanger" visible to the unaided eye; can see the hanger is oriented roughly E-W, with the hook on the south side
1008 S+1; slow meteor, radiant point in Sgr-Sco region?
1013 L+2
1015 S+?
1015 The Scutum star cloud and Milky Way regions in Sgr and Sco are much brighter, more luminescent, than the other parts of the Milky Way.  The brightest part is right about the teapot spout of Sgr.
1018 L+0
1019 S+2; the second slow meteor tonight emanating from the Sgr-Sco region
1022 L+0
1025 L+1
1026 L+1
1027 L?-1?; bright flash behind my head
1045 L+2
1045 Milky Way in Cygnus shows exquisite fine detail
1048 L+?
1050 Has twilight started?  [ solar depression angle 18˚ 50' ]
1050 Need to develop a meteor watching platform that shields you from the wind without obstructing any more sky than is absolutely necessary.
1054 L+2
???? L-1; 9 second train, to the right (south) of Lyra--I was so excited I forgot to record the time!
1100 end session

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