Viewing page 13 of 108

This transcription has been completed. Contact us with corrections.

Log

PagePlateClassObjectR.A.DecStartObs H.A.Obs DecStopExpDateMiscellaneous
2617655Sky Blue03 1203 12Mar 15 1909x 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.
2617656FSky Blue04 4404 46Mar 15 1909x 17656 Same as last. Ordinary plate. 3 Exp. of 5s each. At 14, 12 & 10. 14 next to plate no. 14 is best focus.
2617657MJupiter07 093 30 E+10.007 12Mar 15 1909x 17657 Same apparatus as for last. Focus at 14. Jupiter = 3 Exp. of 10B 20B & 78B. Sigma plate.
2617658Nebula in Orion07 342 04 W-5.408 07Mar 15 1909x 17658 Same as last. Sigma plate.
2617659Mζ Urs Maj09 134 07 E+55.209 49Mar 15 1909x 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°.
2617660Mγ Leonis10 510 37 W+20.211 33Mar 15 1909x 17660 Same as last. Slit less inclined.
2617661HR 581415 33-19.014 081 25 E-26.816 08Mar 15 1909