I converted the observation of Mr. Stephan into the VSNET format. object YYMMDD(UT) mag code PERXZ 20021228.984 108 Stephan.AAVSO PERXZ 20021228.992 111 Stephan.AAVSO PERXZ 20021228.999 112 Stephan.AAVSO PERXZ 20021229.006 113 Stephan.AAVSO PERXZ 20021229.013 114 Stephan.AAVSO PERXZ 20021229.020 115 Stephan.AAVSO PERXZ 20021229.027 116 Stephan.AAVSO PERXZ 20021229.035 117 Stephan.AAVSO PERXZ 20021229.042 119 Stephan.AAVSO PERXZ 20021229.051 122 Stephan.AAVSO PERXZ 20021229.057 125 Stephan.AAVSO PERXZ 20021229.065 127 Stephan.AAVSO PERXZ 20021229.072 126 Stephan.AAVSO PERXZ 20021229.081 124 Stephan.AAVSO PERXZ 20021229.087 122 Stephan.AAVSO PERXZ 20021229.094 120 Stephan.AAVSO PERXZ 20021229.101 120 Stephan.AAVSO PERXZ 20021229.108 119 Stephan.AAVSO PERXZ 20021229.115 115 Stephan.AAVSO PERXZ 20021229.122 114 Stephan.AAVSO PERXZ 20021229.128 112 Stephan.AAVSO PERXZ 20021229.136 110 Stephan.AAVSO PERXZ 20021229.144 109 Stephan.AAVSO PERXZ 20021229.153 108 Stephan.AAVSO object YYMMDD(UT) mag code ANDXZ 20021229.017 102 Stephan.AAVSO ANDXZ 20021229.025 102 Stephan.AAVSO ANDXZ 20021229.033 104 Stephan.AAVSO ANDXZ 20021229.040 104 Stephan.AAVSO ANDXZ 20021229.049 105 Stephan.AAVSO ANDXZ 20021229.058 107 Stephan.AAVSO ANDXZ 20021229.065 109 Stephan.AAVSO ANDXZ 20021229.073 112 Stephan.AAVSO ANDXZ 20021229.080 119 Stephan.AAVSO ANDXZ 20021229.087 123 Stephan.AAVSO ANDXZ 20021229.094 128 Stephan.AAVSO ANDXZ 20021229.101 128 Stephan.AAVSO ANDXZ 20021229.109 127 Stephan.AAVSO ANDXZ 20021229.115 123 Stephan.AAVSO ANDXZ 20021229.122 121 Stephan.AAVSO ANDXZ 20021229.130 117 Stephan.AAVSO ANDXZ 20021229.138 112 Stephan.AAVSO ANDXZ 20021229.146 108 Stephan.AAVSO ANDXZ 20021229.156 104 Stephan.AAVSO ANDXZ 20021229.165 102 Stephan.AAVSO object YYMMDD(UT) mag code TRIRV 20021229.097 112 Stephan.AAVSO TRIRV 20021229.110 114 Stephan.AAVSO TRIRV 20021229.117 116 Stephan.AAVSO TRIRV 20021229.124 117 Stephan.AAVSO TRIRV 20021229.131 118 Stephan.AAVSO TRIRV 20021229.139 119 Stephan.AAVSO TRIRV 20021229.147 120 Stephan.AAVSO TRIRV 20021229.156 121 Stephan.AAVSO TRIRV 20021229.164 121 Stephan.AAVSO TRIRV 20021229.173 121 Stephan.AAVSO TRIRV 20021229.181 120 Stephan.AAVSO TRIRV 20021229.188 118 Stephan.AAVSO TRIRV 20021229.195 116 Stephan.AAVSO TRIRV 20021229.202 113 Stephan.AAVSO TRIRV 20021229.208 112 Stephan.AAVSO minI PERXZ 2452637.570 0.001 Geo Stephan.AAVSO n=24 (calculated by Nagai) minI ANDXZ 2452637.603 0.001 Geo Stephan.AAVSO n=20 (calculated by Nagai) minI TRIRV 2452637.663 0.001 Geo Stephan.AAVSO n=15 (calculated by Nagai) XZ Per JD(hel)=2452637.575 C=2452637.633 E=7928 O-C=-0.058 XZ And JD(hel)=2452637.606 C=2452637.474 E=21116 O-C=+0.132 RV Tri JD(hel)=2452637.666 C=2452637.687 E=8763 O-C=-0.021 - 28/Dec/2002 XZ Per (By Mr.Stephan) - 10 + | | * * 11 + * ** | **** ** * | ** 12 + * *** | ** ** | ** 13 + +------+------+------+------+------+- 23 24 25 26 27 28 (UT) - 29/Dec/2002 XZ And (By Mr.Stephan) - 9 + | 10 + ** * | * * ** * 11 + * * * * | * 12 + * * | * ** 13 + * * +--------+--------+--------+--------+ 00 01 02 03 04 (UT) - 29/Dec/2002 RV Tri (By Mr.Stephan) - + | 11 + | * ** + ** * | ** * 12 + * * ** * * | + | 13 + +--------+--------+--------+--------+ 02 03 04 05 06 (UT)