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Log
| Page | Plate | Class | Object | R.A. | Dec | Start | Obs H.A. | Obs Dec | Stop | Exp | Date | Miscellaneous |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 80 | 378 | M | Pole | 22 05 | 0 30 E | +90.0 | 22 45 | Oct 14 1912 | Mounted prism of plane glass with blue screen & make focus same as for yellow screen. Focus yellow = 1.3 25.0 5.2 = 31.5. Focus Blue Screen & plain glass = 1.4 25.0 5.2 = 31.6. x 378 Iso plate. 1st exp. with yellow screen. 2nd exp. with blue screen. 1st exp. nearer numbered end. Both at same focus. | |||
| 80 | Pole | 22 46 | 23 06 | Oct 14 1912 | ||||||||
| 80 | 379 | M | Pole | 23 30 | 0 40 E | 23 50 | Oct 14 1912 | x 379 Iso plate. 1st exp. with blue screen. 2nd exp. with yellow screen. Focus without screen = 0.8 25.0 5.2 = 31.0. | ||||
| 80 | Pole | 23 52 | 0 32 | Oct 14 1912 | ||||||||
| 80 | 380 | L | Pole | 0 55 | 1 00 E | +90.0 | 2 55 | Oct 14 1912 | x 380 HS Plate. No screens. |
