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Log

Page	Plate	Class	Object	R.A.	Dec	Start	Obs H.A.	Obs Dec	Stop	Exp	Date	Miscellaneous
192											Feb 27 1900	x 12513 Expos. on Polaris as in diagram. Exp. #1 on wrong side of plate. Repeated on right. Sky clear throughout.
192	12514		Polaris			09 35	3 35 W	+88.9	10 04		Feb 27 1900	x 12514 See C 12470 p 160-1. [[diagram with labels Box no plate no]] Exp. Focus No. 2m 0s 23.0 1 2 0 23.0 2 1 0 23.0 3 2 0 18.0 4 1.0 18.0 5 2.0 14.5 6 1.0 14.5 7.
192	12515		α Virginis			12 27	0 52 E	-10.4	13 07		Feb 27 1900	x 12515 (4x5 plate) An apparatus in tail piece similar to Var. Star Apparatus except that the motion to the plate is constant, and it is moved at Ls to the movement given by Var. Star App. i.e. it is moved in R.A. instead of dec.
192	12516		Dis Jup Sat I					-20.5	14 24		Feb 27 1900	x 12516 Var. Star App. Signals would not work. Exposures made by hand by working armature every 10 sec. C's watch. 15 06 00 First movement. 08 30 No signal. 16 00 Last movement. Large aperture on. 15 31 00 First movement. 33 00 Last movement. Small aperture on. 15 34 50 First movement. 36 50 Last movement. C's Watch Bond 394 15 56 55 15 57 55 Bond 394 15 57 00 15 58 00. Bond 394 = 0.9s slow.