* * * * * C/2016 N4 (MASTER) * * * * *

Year Mn Day MM Mag Ref Scope Pwr coma DC tail p.a. Obs Site 2018 3 26.10 V 16.2 TK 50.0L 0.3 QVA Horten (Moonlight.) 2017 10 26.65 S 14.5 UV 40.0L 257 0.3 4 YOS Kita-karuizawa, Gunma (Near limit.) 2017 10 13.88 S 13.7 AQ 20.3T 206 0.5 4 GON Alto del Castro - Aralla, León (Field stars checked in DSS.) 2017 9 25.71 S 14.6 UV 40.0L 257 0.3 3 YOS Kita-karuizawa, Gunma (Near limit.) 2017 9 1.009 S 14.6 AQ 30.5T 179 0.6 3/ DIJ Burlage 2017 9 1.006 S 14.2 AQ 30.5T 179 0.5 2/ BOU Burlage, Germany (Small, diffuse object. Followed for about 30 mimutes. Motion suspected, but difficult to determine for lack of suitable nearby stars. Field checked in DSS.)