The following preprints were submitted during the period 15 May 1999 to 15 August 1999. Please direct all requests for copies of preprints to the NOAO author marked.
841 Sigwarth, M., *Balasubramaniam, K.S., Knolker, M., Schmidt, W., "Dynamics of Solar Magnetic Elements"
842 Gupta, S.S., Sivaraman, K.R., *Howard, R.F., "Measurement of Kodaikanal White Light Images"
843 Arns, J.A., Colburn, W.S., *Barden, S.C., "Volume Phase Gratings for Spectroscopy, Ultrafast Laser Compressors, and Wavelength Division Multiplexing"
844 *Barden, S.C., Williams, J.B., Arns, J.A., Colburn, W.S., "Tunable Gratings: Imaging the Universe in 3D with Volume-Phase Holographic Gratings"
845 Soderberg, A.M., *Pilachowski, C.A., Barden, S.C., Willmarth, D., Sneden, C., "Radial Velocities of Giant Stars in Globular Clusters"
846 *Mighell, K.J., "Algorithms for CCD Stellar Photometry"
847 *Keller, C.U., "5000 by 5000 Spatial by 1500 Spectral Resolution Elements: First Astronomical Observations with a Novel 3-D Detector"
848 *Rhoads, J.E., "The Dynamics and Light Curves of Beamed Gamma Ray Burst Afterglows and Gamma Ray Burst Beaming Constraints from Afterglow Light Curves"
849 Veilleux, S., Bland-Hawthorn, J., *Cecil, G., "A Kinematic Link Between Boxy Bulges, Stellar Bars, and Nuclear Activity in NGC 3079 & NGC 4388"
850 *Cecil, G., "Ionized Outflows in 3-D Insights from Herbig-Haro Objects & Applications to Nearby AGN"
851 *Lauer, T.R., "The Photometry of Undersampled Point Spread Functions"