The IUE spectra of the OVI sequence planetary nebulae NGC 2452, NGC 7026, M3-30, and LO 4

We present emission-line fluxes for NGC 2452, NGC 7026, M3-30, and Lo 4 fro m IUE low-dispersion spectra that have been processed by the New Spectral I mage Processing System (NEWSIPS). For NGC 2452, a terminal wind velocity of - 4200 +/- 300 km s(-1) was determined from the C IV lambda 1549 P Cygni p rofile, while that of NGC 7026 is - 4600 +/- 300 km s(-1), and - 4800 +/- 4 00 km s(-1) for M3-30. The spectrum of Lo 4 is a stellar continuum with som e absorptions and a questionable C IV lambda 1549 feature.