total observations logged for 1992 = 25276 G Poyner 6079, M J Gainsford 2024, J S Day 1517, M D Taylor 1216, I A Middlemist 1108, S W Albrighton 1089, R A H Paterson 1073, W J Worraker 1056, T Markham 1016, L K Brundle 990, R C Dryden 815, G Pointer 634, R B I Fraser 546, G M Hurst 449, N M Bone 427, Tosh Lubek 369, B R M Munden 360, G Ramsey 308, E J W West 299, W Albrecht 259, Erol Yusuf 219, M Gill 214, B O'Halloran 210, M D Overbeek 198, J Toone 197, K Xylaris 150, D Gavine 142, M Clarke 135, H G Duncan 131, S J Evans 127, S Beaumont 127, J M F Andujar 123, S Godwin 115, A Smeaton 105, Martin Lehky 102, S G Ridley 101, A F Jones 90, James Fraser 85, T Tanti 78, C Washington 75, N Taylor 74, R Livingstone 70, S R Srinivasan 65, G Thompson 65, M Barrett 65, P Williams 61, J Thorpe 60, L Green 51, Dmitry B Kazansky 49, H J Davies 41, J D Shanklin 40, R W Middleton 32, B S Crawford 31, P Craven 30, E Harries-Harris 20, J Phillips 20, Tom Cragg 16, E H Horsley 16, J Hers 15, R D Pickard 11, S Dreves 10, M Collins 10, C Henshaw 9, G S Hawkins 9, R Jones 8, S Koushiappas 7, P A Moore 6, Miroslav Komorous 6, B Menzies 5, B A L Green 4, A Boattini 4, G Stephanopoulos 3, J E Isles 1, T Brelstaff 1, O Hull 1, B Tregaskis 1, n z14 1.