Editorial Notice

With this issue the number of these Circulars published this year has reached 150. Although the record number of discoveries of both comets and novae most decidedly contributed to this great volume of material, it is quite clear that many of the items published belong elsewhere. Following the recommendation of IAU Commission 6 at its meeting in 1973 (cf. IAUC 2571) we have already rejected several reports on the grounds that they did not refer to transient events, and we must now extend this policy to reports of transient events when it seems improbable that early publication would inspire important positive observations. Contributors are urged to consider whether their reports might more appropriately be published in the conventional astronomical literature. When items are accepted for publication here we reserve the right to limit them to their most significant points.