C/1998 K1 = 1998 HE49 (Mueller).

C/1999 G5,

C/2002 VQ94 (LINEAR) and 29P/Schwassmann Wachmann 1 — CO+ and N+2 rich comets

C/2002 X13

C/2003 q1 = 2008 X6 (soho), C/2003 q6 = 2008 Y11 (soho)

C/2004 S1 (Van Ness): A Split, Suddenly Vanishing Comet

C/2005 A1 "Linear": Das zerbrochene Kometchen

C/Hale-Bopp (1995 O1) at 27 AU

C/N and δ13C in suspended and sedimentary organic matter as evidence for changes of turning ecosystem in karst areas, Southwest China

C/NOFS and radar observations during a convective ionospheric storm event over South America

C/NOFS measurements of magnetic perturbations in the low-latitude ionosphere during magnetic storms

C/NOFS Morning Observations of Ion Density Depletions and Vertical Plasma Drifts - Role of the Sunrise Terminator in the Formation and Evolution of Morning Depletions

C/NOFS Observations of AC Electric Field Fields Associated with Equatorial Spread- F

C/NOFS observations of plasma density and electric field irregularities at post-midnight local times

C/NOFS Observations of Plasma Density and Electric Field Responses to High Speed Streams in the Solar Wind

C/NOFS Satellite Electric Field and Plasma Density Observations of Plasma Instabilities Below the Equatorial F-Peak -- Evidence for ~500 km-scale Spread-F "Precursor" Waves Driven by Zonal Shear Flow and km-Scale, Narrow-Banded Irregularities

C/NOFS Validation Study: Comparison of In-Situ CORISS and PLP Electron Density Measurements

C/NOFS: a mission to forecast scintillations

C/O Atomic Ratios in Antarctic Micrometeorites: A Progress Report

C/SiC Based Rigid External Thermal Protection System for Future Reusable Launch Vehicles: Generic Shingle, Pre-X/FLPP Anticipated Development Test Studies