* * * * * 77P/Longmore * * * * *

Year Mn Day MM Mag Ref Scope Pwr coma DC tail p.a. Obs Site 2023 6 19.38 S 14.8 AQ 40.0L 261 0.4 3/ WYA Walcha, NSW (Difficult. Poor seeing.) 2023 6 10.39 M 14.8 AQ 40.0L 182 1.5 4 WYA Walcha, NSW (Visible in good seeing.) 2023 6 9.40 M 15.0 AQ 40.0L 182 1.5 6 WYA Walcha, NSW (Coma small. Visible in good seeing.) 2023 5 23.44 M 14.3 AQ 40.0L 182 1.4 5/ WYA Walcha, NSW (Faint stellar pseudo-nucleus visible in good seeing.) 2023 4 19.51 M 14.6 AQ 40.0L 182 0.8 5/ WYA Walcha, NSW (Close to faint stars. Observation ended by cloud haze.) 2023 3 30.65 M 14.4 AQ 40.0L 261 0.6 4/ WYA Walcha, NSW (Close to star. Diffuse with small opaque centre.) 2023 3 18.65 M 14.9 AQ 40.0L 182 0.8 5/ WYA Walcha, NSW (Transparent coma, faint stellar pseudo-nucleus visible sometimes.) 2023 3 16.47 M 15.1 AQ 40.0L 261 0.3 4/ WYA Walcha, NSW (Difficult due to poor seeing. Altitude 17.6°.) 2023 3 15.49 M 14.9 AQ 40.0L 182 0.5 4 WYA Walcha, NSW (Difficult, slight interference from town light pollution. Poor seeing.)
2016 7 2.37 S 14.2 AQ 25.0L 83 0.7 2/ WYA Walcha, NSW (Coma diffuse, slight brightening to centre. Visible in periods of good seeing.) 2016 6 28.49 S 13.7 AQ 25.0L 83 0.8 2 WYA Walcha, NSW (Very diffuse. Visible in periods of good seeing.) 2016 6 9.45 S 13.8 AQ 40.6L 165 0.8 3 CAM Warners Bay, NSW 2016 6 8.36 S 13.8 AQ 25.0L 83 1 2/ WYA Walcha, NSW (Moonlight. Coma very diffuse with slight brightening to centre, difficult.) 2016 5 30.51 S 13.6 AQ 40.6L 165 0.6 3 CAM Warners Bay, NSW 2016 5 30.38 S 14.0 AQ 25.0L 166 0.7 3 WYA Walcha, NSW (Coma diffuse with brighter centre, opaque. Visible in good seeing at 83x.) 2016 5 29.43 S 13.5 AQ 40.6L 165 0.6 3 CAM Warners Bay, NSW 2016 5 8.919 S 13.6 AQ 30.5T 139 0.6 4 BOU Burlage, Germany 2016 5 8.917 S 13.6 AQ 30.5T 139 0.6 3 DIJ Burlage 2016 5 6.12 S 13.0 AU 22.0L 160 0.7 5 GOI Araçatuba 2016 5 2.49 S 13.4 AU 40.0L 257 0.7 3 YOS Kita-karuizawa, Gunma (The sky condition was good and it looked brighter.) 2016 5 1.48 S 14.4 AU 40.0L 257 0.5 3 YOS Kita-karuizawa, Gunma (Near by Sombrero Galaxy M104, whose dark band looks impressive.) 2016 4 10.919 M 14.2 AQ 30.5T 179 0.3 5 BOU Burlage, Germany 2016 4 10.915 S 14.3 AQ 30.5T 179 0.3 4 DIJ Burlage 2016 4 8.69 S 14.6 AU 40.0L 257 0.5 3 YOS Mt. Hanadate, Ibaraki (Faint, but more clearly visible than expected.) 2016 4 4.68 S 13.2 AQ 40.6L 165 0.5 3 CAM Warners Bay, NSW 2016 4 2.61 S 13.0 AQ 40.6L 165 0.6 3 CAM Warners Bay, NSW
2009 4 24.926 S 13.9 AU 31.0J 155 0.5 3/ BOU Lauwersoog 2009 4 18.910 S 13.8 AU 31.0J 109 0.6 1/ DIJ Burlage 2009 4 18.908 S 13.7 AU 31.0J 109 0.6 3 BOU Burlage, Germany 2009 3 29.965 S 13.5 AU 31.0J 109 1 2 DIJ Burlage 2009 3 29.964 S 13.8 AU 31.0J 109 0.7 3 BOU Burlage, Germany 2009 3 26.958 S 13.7 TA 31.0J 109 0.7 4 BOU Sint Annen 2009 3 22.04 I 14.2 HN 20.3T 206 0.5 7 GON Alto del Castro - Aralla, León (Nearby field stars checked in DSS. Comparison stars taken from Henden photometry near GP Com.) 2009 3 20.964 S 13.5 AU 31.0J 109 0.7 3/ BOU Burlage, Germany 2009 3 20.959 S 13.5 AU 31.0J 109 0.5 2 DIJ Burlage 2009 3 3.21 S 13.7 HN 20.3T 133 0.7 6 GON Pandorado, León (Nearby field stars checked in DSS. Comparison stars taken from Henden photometry near GP Com. Mountain location, very clear sky.)