* * * * * C/2017 T1 (Heinze) * * * * *

Year Mn Day MM Mag Ref Scope Pwr coma DC tail p.a. Obs Site 2018 2 25.205 S 11.0:AQ 30.5T 102 &1.5 2 BOU Burlage, Germany (Twilight, comet at altitude 11.7° with Sun at -14.5°. Faint and very diffuse object close to star of magnitude 10.5. Obviously comet is desintegrating.) 2018 2 25.205 S 10.7:AQ 30.5T 102 2 DIJ Burlage 2018 2 21.24 S 9.3 TK 20.3T 100 4 3 GON Villacintor, León (Altitude 8°.) 2018 2 13.766 M 10.2 TA 25.4J 58 2.0 3/ BOU Lauwersoog (Altitude 10.6° with Sun at -15.6°. Appears fainter and less condensed than a week ago.) 2018 2 13.758 S 9.4 TA 15.5L 42 2.5 5 DIJ Burlage (Altitude 11° with Sun at -15°.) 2018 2 8.763 M 9.5 TA 25.4J 58 2.2 4/ BOU Sint Annen (Altitude 16.9°.) 2018 2 7.787 S 9.8 TA 15.5L 42 2.5 4 DIJ Burlage 2018 2 7.758 M 9.5 TA 25.4J 47 2.5 4/ BOU Sint Annen (Altitude 18.9°. Hint of twilight with Sun at -15.7°.) 2018 2 6.768 M 9.6 TA 25.4J 58 2.5 5 BOU Lauwersoog (Altitude 18.3°. Easily visible, well condensed object.) 2018 1 17.85 S 10.1 TK 20.3T 77 4 2/ GON Puerto de Aralla, León 2018 1 14.824 S 10.4 TA 30.5T 54 4 1/ DIJ Burlage 2018 1 14.821 S 10.4 TA 30.5T 54 3.5 1/ BOU Burlage, Germany 2018 1 8.87 S 10.2 TK 20.3T 77 4 2/ 0.2 90 GON Valdespino Cerón, León (Rapid motion obvious.) 2018 1 7.81 S 9.5 TK 20.0L 42 &10 0 SCH Eerbeek (Big and diffuse comet.) 2018 1 7.792 S 10.0 TK 15.5L 42 4 1/ DIJ Burlage 2018 1 6.51 S 10.3 TJ 40.0L 36 4 1 YOS Mt. Hanadate, Ibaraki (Bright, but very diffuse.) 2017 12 23.64 M 11.8 AQ 25.0L 83 1.5 4/ WYA Walcha, NSW (Does not enhance in Swan Band filter. Coma elongated to the West approximately. Central condensation sometimes appears stellar in periods of good seeing.) 2017 12 20.15 S 11.1 AQ 20.3T 100 4 2 GON Puerto de Aralla, León 2017 12 18.73 S 13.3 TA 40.0L 144 1.0 3/ YOS Mt. Hanadate, Ibaraki (Easier to see than expected.) 2017 12 16.08 S 12.0 AQ 20.3T 133 2.5 2/ GON Villacintor, León (Motion checked during a 30-min period. Field stars checked in DSS.) 2017 12 14.67 S 13.5 AQ 25.0L 83 1.3 2 WYA Walcha, NSW (Coma diffuse, weakly condensed.) 2017 12 13.61 S 13.8 AQ 25.0L 83 1 2 WYA Walcha, NSW (Coma very diffuse.)