(meteorobs) Obs: 14 Dec 2010

[David Oesper]

14 Dec 2010 0700-1200 UT (14 Dec 1:00 - 6:00 a.m. CST)

David Oesper
SE of Alpine, TX
30 16 44.2 N, 103 35 33.6 W, ~5200 ft.
Method: Visual, digital voice recorder, talking clock

0700-1200 UT; Teff = 4.55 hours
Geminids: 225
Sigma Hydrids: 7
Coma Berenicids: 2
Sporadics: 13
TOTAL: 247 meteors

0659 sky brightness, moon is still up: zenith SQM 21.18 ~6.2

0700 begin session; sky clear, moon still up; facing Gemini & Leo
0700 G
0701 G
0702 G
0703 2G
0704 G
0705 G
0706 3G
0707 2G
0708 G, S
0709 G
0710 G
0711 3G
0712 2G
0713 G
0714 2G
0715 G
0716 2G
0717 3G
0719 G
0720 G
0722 G
0723 G
0725 G
0725 moonset
0726 G
0729 2G
0730 2G
0732 2G
0734 2G (first -2 mag, yellowish)
0738 G
0739 G
0740 G, S
0741 G
0742 G (-1 mag, brief train), SH
0743 3G, SH (+1 mag)
0745 4G
0746 G (0 mag), S
0748 G
0749 2G
0750 G, SH
0752 G
0753 2G
0754 2G
0755 G
0756 3G (first -2 mag)
0759 G
======
70 Geminids, 3 Sigma Hydrids, 3 sporadics = 76 meteors (Teff = 1.0 hour, 0700-0800 UT)
Comments: Was this the peak hour?  Or earlier?

0800 2G, S (+2 mag, but had train lasting ~1 sec, Alpha Hya --> Regulus)
0801 G
0802 2G
0803 G
0804 G (-2 mag)
0805 G
0807 2G
0808 G
0811 G
0815 G
0818 G
0819 2G
0820 G
0822 2G
0824 G, S
0827 2G (first -1 mag)
0830 G
0831 G
0836 G
0838 S (+1 mag, swift)
0842 G
0846 G
0850 G (-2 mag), S
0851 G
0854 2G
0856 G
0857 G
0859 SH
========
33 Geminids, 1 Sigma Hydrid, 4 sporadics = 38 meteors (Teff = 1.0 hour, 0800-0900 UT)

0902 3G
0906 2G ( second -2 mag)
0907 2G (first -1 or -2 mag), SH
0908 G
0910 3G
0911 G
0912 G
0914 G
0916 G
0917-0942 nothing: did I lose data or fall asleep?  will subtract this from Teff.
0943 G
0947 G
0948 G
0951 2G
0953 4G
0954 G (-2 mag)
0956 G
0958 G
1000 rotating chair and table to face west
=================================
27 Geminids, 1 Sigma Hydrid, no sporadics = 28 meteors (Teff = 0.58 hour, 0900-1000 UT)

1002 finished rotating chair and table to the west
1003 G
1004 G
1005 S
1006 2G
1007 S (fast, with train)
1008 S
1009 G
1013 G
1014 G
1018 G
1019 G
1021 2G
1022 G
1023 G
1024 3G
1028 G
1029 G
1030 3G
1032 G
1034 G
1035 G
1037 G
1038 G
1039 G
1040 G
1042 G
1044 5G
1045 G
1047 G
1050 G
1051 2G
1052 2G
1054 3G
1055 3G
1056 G
1057 2G
1058 G
=======
51 Geminids, 3 sporadics = 54 meteors (Teff = 0.97 hour, 1000-1100 UT)

1100 G (bright flash, very low in the north)
1101 3G
1103 G
1104 2G, 2CB
1105 G
1107 G
1108 G
1109 G
1110 G
1111 G
1114 G
1115 G
1116 G
1117 2G
1119 G
1120 G
1121 G
1122 G
1123 2G
1124 G
1128 G
1129 G
1130 G
1131 G
1133 G
1136 2G
1141 G
1142 G, SH
1146 SH (+1 mag)
1148 G, S
1149 G, S
1150 G, S
1152 G
1155 2G
1156 G
1157 3G
1200 end session; sky clear
======================
44 Geminids, 2 Sigma Hydrids, 2 Coma Berenicids, 3 sporadics = 51 meteors (Teff = 1.0 hour, 1100-1200 UT)

1202 sky brightness: zenith SQM 21.72 ~6.5