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Log

PagePlateClassObjectR.A.DecStartObs H.A.Obs DecStopExpDateMiscellaneous
3817912Moon00 5000 50Nov 27 1909x 17912 Seed 27. Nitroso screen used. Small Jupiter eclipse aperture used Exposure 2 beats.
3817913Moon00 5200 52Nov 27 1909x 17913 Iso Plate 3 1/2 x 3 1/2 yellow screen. Exposed 4 beats. Same aperture as above. Cloudy around Moon during both exposures.
3817914Moon02 1102 11Nov 27 1909x 17914 Iso Plate. 3 1/2 x 3 1/2 yellow screen used. Same as above. Exposed for two beats of clock. Taken through back in clouds. Aperture reduced to 3 inches.
3817915Moon02 1202 12Nov 27 1909x 17915 Seed 27 Plate. Nitroso screen used. Same aperture as last plate. Exposure 2 beats. Too cloudy to continue..