1 Introduction

Planetary nebulae (PNe) are of importance to astrophysics for various reasons: they form the spectacular evolutionary end point for most low to intermediate mass stars, they inject a dominant fraction of the enriched elements into the interstellar medium, and they allow us to study many physical problems of plasma dynamics, kinematics, emission line formation including forbidden lines etc.

Recently, the study of the morphology of these nebulae has come of age. Links are being made between the appearance of PNe and their central star's position in the HR diagram, in other words between their evolutionary stage and their shape (Stanghellini et al. 1995); the properties of bipolar nebulae have been shown to be rather special and related to various other physical parameters of the objects (Corradi & Schwarz 1995), and dedicated conferences are being held on the subject of PNe morphology, especially asymmetries (see e.g. Harpaz & Soker 1994). Clearly, it is of importance for any studies like the above mentioned ones to have access to a sample of narrow band images that is statistically as complete as possible.

Previous well-known catalogues of narrowband images have been published by Balick (1987), Schwarz et al. (1992), and Manchado et al. (1996) and there are many others referenced therein. All these catalogues take their objects from the large catalogue of Acker et al. (1992). Here we add some 100 southern and 1 northern PNe to the data base.