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Log

Page	Plate	Class	Object	R.A.	Dec	Start	Obs H.A.	Obs Dec	Stop	Exp	Date	Miscellaneous
4											Jun 09 1905	Before starting, revolving arm of governor was found stopping by the detent. It was bent slightly back into position.
4	15776	F				14 02	0 08 E	+19.4	14 07		Jun 09 1905	x 15776 Focal plane spectroscope. Same concave & convex lenses as for previous plates. The prism is a simpler 6° one, a fragment of the 8-inch prism that was broken. The two lenses are brought up close to the prism. Foci 10.0, 10.5, 11.0, 11.5, Long interval, 12.0. Exposures 10 beats of armature.
4	15777	F				14 20	0 12 W	+19.4	14 23		Jun 09 1905	x 15777 Same as last. Foci 10.5 10.75, 11.0, 11.25, long interval 11.5. Exposure 5 beats each.
4	15778		GC 4410			15 00	3 21 E	+6.1	15 54		Jun 09 1905	x 15778 Focal plane spectrum. exp. 6° prism same as last.
4	15779		Mars			16 21	1 59 W	-15.6	16 24		Jun 09 1905	x 15779 Three exposures on Mars with enlarging lens of 80, 40, & 20 sec each.
4	15780		Polaris			17 30	5 07 W	+89.0	17 40		Jun 09 1905	x 15780 Plate E 8127 is placed in plate holder films of E 8127 and C 15780 together. Then a second exposure made with E 8127 removed.
4	15780		Polaris			17 54			18 04		Jun 09 1905	x 15780 Plate E 8127 is placed in plate holder films of E 8127 and C 15780 together. Then a second exposure made with E 8127 removed.
4	15781		Polaris			19 14	6 48 W	+89.0	19 24		Jun 09 1905	x 15781 Plate E 8127 is placed, just outside plate holder, with its film towards objective for the first exposure, for the second exposure plate is removed. C 15781 Second Polaris. Time Started 19 27. Time Stopped 19 3. What should the time stopped be? 19 37 (H)
4	15781		Polaris			19 27			19 37		Jun 09 1905	x 15781 Plate E 8127 is placed, just outside plate holder, with its film towards objective for the first exposure, for the second exposure plate is removed. C 15781 Second Polaris. Time Started 19 27. Time Stopped 19 3. What should the time stopped be? 19 37 (H)