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Log
Page | Plate | Class | Object | R.A. | Dec | Start | Obs H.A. | Obs Dec | Stop | Exp | Date | Miscellaneous |
---|---|---|---|---|---|---|---|---|---|---|---|---|
26 | 17655 | Sky Blue | 03 12 | 03 12 | Mar 15 1909 | x 17655 Spectroscope attached to instrument. Same as used for photographing the Aurora, but strengthened & improved. Isoc. plate. Focus of slit = 12. Width 1/4 rev. 2 Exp. 5s & 2s. | ||||||
26 | 17656 | F | Sky Blue | 04 44 | 04 46 | Mar 15 1909 | x 17656 Same as last. Ordinary plate. 3 Exp. of 5s each. At 14, 12 & 10. 14 next to plate no. 14 is best focus. | |||||
26 | 17657 | M | Jupiter | 07 09 | 3 30 E | +10.0 | 07 12 | Mar 15 1909 | x 17657 Same apparatus as for last. Focus at 14. Jupiter = 3 Exp. of 10B 20B & 78B. Sigma plate. | |||
26 | 17658 | Nebula in Orion | 07 34 | 2 04 W | -5.4 | 08 07 | Mar 15 1909 | x 17658 Same as last. Sigma plate. | ||||
26 | 17659 | M | ζ Urs Maj | 09 13 | 4 07 E | +55.2 | 09 49 | Mar 15 1909 | x 17659 Same as last. Sigma plate. Attempt to obtain spectrum of component of double star by letting them drift across the slit obligatedly. # This slit is rotated about 30° from east & west. ie Position Angle = 240°. | |||
26 | 17660 | M | γ Leonis | 10 51 | 0 37 W | +20.2 | 11 33 | Mar 15 1909 | x 17660 Same as last. Slit less inclined. | |||
26 | 17661 | HR 5814 | 15 33 | -19.0 | 14 08 | 1 25 E | -26.8 | 16 08 | Mar 15 1909 |