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Log

Page	Plate	Class	Object	R.A.	Dec	Start	Obs H.A.	Obs Dec	Stop	Exp	Date	Miscellaneous
180											Feb 18-19 1950	TF clock out of order. Shutter Speed app. 380 RPM.
180	42532	Mi	Meteors	8 16	+15	21 05	0 40 E	+15	22 30	90	Feb 18-19 1950	7 sec break begins 21 17 00. 7 sec break begins 21 52 00. 7 sec break begins 22 29 00.
180	42533	Mi	Meteors	9 42		21 31	0 40 E	+15	24 00	89	Feb 18-19 1950	7 sec break begins 22 32 00. 7 sec break begins 23 15 00. 7 sec break begins 23 59 00.
180	42534	Mi	Meteors	11 12		00 01	0 40 E	+15	01 30	89	Feb 18-19 1950	7 sec break begins 00 02 00. 7 sec break begins 00 45 00. 7 sec break begins 01 29 00.
180	42535	Mi	Meteors	12 41		01 31	0 40 E	+15	03 00	89	Feb 18-19 1950	7 sec break begins 01 32 00. 7 sec break begins 02 15 00. 7 sec break begins 02 59 00.
180	42536	Mi	Meteors	13 10 30		03 08 00	0 00	+10	03 13 00	5	Feb 18-19 1950	These two plates are for L. Jacchia for extinction measurements.
180	42537	Mi	Meteors	13 18 30		03 16 00	0 00	-20	03 21 00	5	Feb 18-19 1950	These two plates are for L. Jacchia for extinction measurements.
180	42538	Mi	Meteors	14 37		03 23	0 40 E	+15	04 30	67	Feb 18-19 1950	7 sec break begins 03 24 00. 7 sec break begins 03 45 00. 7 sec break begins 04 29 00.
180	42539	Mi	Meteors	15 41		04 31	0 40 E	+15	05 30	59	Feb 18-19 1950	7 sec break begins 04 32 00. 7 sec break begins 05 00 00. 7 sec break begins 05 29 00.
180	42540	Mi	Meteors	16 26		05 31	0 40 E	+15	05 59	29	Feb 18-19 1950	7 sec break begins 05 32 00. 7 sec break begins 05 58 00.
180											Feb 18-19 1950	Closed - dawn - cirrus forming rapidly.