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Log
| Page | Plate | Class | Object | R.A. | Dec | Start | Obs H.A. | Obs Dec | Stop | Exp | Date | Miscellaneous |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 150 | 12456 | Venus | 02 45 | 3 32 W | -5.- | 02 51 | Feb 02 1900 | x 12456 [[diagram labeled with Plate no. Box no. and slide drawn and numbers]] Polaris Exp. Focus Expos. 1 23.0 2m 0s 2 23.0 1 = E 3 18.0 2 4 18.0 15 14.5 2 6 14.5 1, Venus Exp. Focus Expos. 1 30.0 4s 2 23.0 4 3 18.0 4. Expos. on Venus as in diagram. Sky clear at Venus - throughout. Expos. on Polaris as above: at start HA = 4h 1m W: S.T. 6h 41m. Sky clear at Pole throughout. x 12410 Second exp. put on this to-night. See pp 116-7 image in middle of plate holder undisturbed from previous date. Found sector ran out. # Above record copied on 116 & 117. | ||||
| 150 | 12457 | ΞΆ Urs Maj | +55.4 | 07 10 | 6 08 E | +38.9 | 09 13 | Feb 02 1900 | x 12457 7h 28m R.A. -1/2 rev. 8 05 -1/2 rev. 8 27 R.A. -1/2 rev. 8 52 R.A. -1/2 rev. | |||
| 150 | 12458 | 13 20 | 12 21 | 1 29 W | +0.0 | 14 33 | Feb 02 1900 | x 12458 For effect of balance of tube. R.A. slow no. at -15. Sector at "2" Telescope allowed to run between exps. Exp. Began H.A. at start. Ended. 1 12 21 1 29 W 12 23 2 13 21 2 29 W 13 23. Clock skipped a few beats previous to the 2nd exp. The two weights which had been tied on the rope at objective end taken off. & R.A. set back to 1 25 W by disengaging worm. Tele. moved by dec. axis. Exp. Began H.A. & start Ended. 3 13 31 1 29 W 13 33 4 14 31 2 29 W 14 33. After finishing Exp. #2, the weights which were removed from the obj. end were hung on the dec. axis - as the driving clock was running slowly. |
Transcription Notes:
Assumed 12410 meant 12456.
