C/2017 T1 (Heinze)

C/2017 T1 (Heinze)
Reported observations:
2018 Feb. 21.24 UT: m1=9.3, Dia.=4', DC=3, ... 20-cm SCT (100x) ... Juan Jose Gonzalez (Villacintor, Leon, Spain; Alt. 930 m, 42º 29' N, 5º 11' W) [Sidgwick method. Tycho-2 comparison stars. SQM: 20.7. Altitude: 8 deg. Very clear sky down to the horizon]
2018 Feb. 10.79 UT: m1=9.8, Dia.=2', DC=3, no tail, ... 20-cm SCT(50x) ... Carlos Labordena (Castellón, España)
2018 Jan. 18.85 UT: m1=10.2, Dia.=3.5', DC=2, no tail, ... 20-cm SCT(80x) ... Carlos Labordena (Castellón, España)
2018 Jan. 17.85 UT: m1=10.1, Dia.=4', DC=2/, ... 20-cm SCT (77x) ... Juan Jose Gonzalez (Puerto de Aralla, Leon, Spain; Alt. 1350 m, 42º 54' N, 5º 50' W) [Sidgwick method. Tycho-2 comparison stars. SQM: 21.1]
2018 Jan. 17.80 UT: m1=10.1, Dia.=2.5', DC=2/, ... 25.4-cm L f:5 (64x) ... Maik Meyer (Limburg, Germany)
2018 Jan. 16.78 UT: m1=10.4, Dia.=4', DC=2, ... 25.4-cm L f:5 (64x) ... Maik Meyer (Limburg, Germany)
2018 Jan. 14.76 UT: m1=10.3, Dia.=2.5, DC=2, ... 25.4-cm L f:5 (64x) ... Maik Meyer (Limburg, Germany)
2018 Jan. 10.86 UT: m1=10.6, Dia.=2.5', DC=2, no tail, ... 20-cm SCT(80x) ... Carlos Labordena (Castellón, España)
2018 Jan. 10.76 UT: m1=10.8, Dia.=2.5', DC=2, ... 30.5-cm L (97x) ... J. P. Navarro Pina (Puerto de la Cadena, Murcia, Spain)
2018 Jan. 08.87 UT: m1=10.2, Dia.=4', DC=2/, Tail= 0.2 deg. in PA: 90 deg., ... 20-cm SCT (77x) ... Juan Jose Gonzalez (Valdespino Cerón, Leon, Spain; Alt. 830 m, 42º 15' N, 5º 22' W) [Sidgwick method. Tycho-2 comparison stars. SQM: 21.1. Rapid motion obvious]
2018 Jan. 07.78 UT: m1=9.4, Dia.=2.5', DC=3, ... 11.4-cm L f/6 (45x) ... Neil Norman FRAS (Ipswich, England)
2018 Jan. 06.51 UT: m1=10.3, Dia.=4', DC=1, ... 40.0-cm L f/4.5 (36x) ... Seiichi Yoshida (Ibaraki, Japan)
2018 Jan. 04.787 UT: m1=9.5, Dia.=3',DC=3, ... 11.4-cm L f/6 (45x) ... Neil Norman FRAS (Ipswich, England)
2018 Jan. 03.771 UT: m1=9.9, Dia.=3', DC=4, ... 11.4-cm L f/6 (45x) ... Neil Norman FRAS (Ipswich, England) [Appears elongated in PA: 177 degrees]
2017 Dec. 27.966 TU: m1=10.8, Dia.=1', DC=4, ... 20x80 B ... Neil Norman (FRAS, Ipswich, England)
2017 Dec. 23.64 UT: m1=11.8, Dia.=1.5’, DC=4/5, ... 25-cm L f:5 (83x) ... Chris Wyatt (Walcha, NSW, Australia) [Does not enhance in Swan Band filter, coma elongated to the West approximately. Central condensation sometimes appears stellar in periods of good seeing. Comparison stars checked using APASS data in Guide 9.0; Method= M; Cat= AQ]
2017 Dec. 20.15 UT: m1=11.1, Dia.=4', DC=2, ... 20-cm SCT (100x) ... Juan Jose Gonzalez (Puerto de Aralla, Leon, Spain; Alt. 1530 m, 42º 54' N, 5º 48' W) [Sidgwick method. APASS comparison stars. SQM: 21.4]
2017 Dec. 18.73 UT: m1=13.3, Dia.=1.0', DC=3/, ... 40.0-cm L f/4.5 (144x) ... Seiichi Yoshida (Ibaraki, Japan)
2017 Dec. 16.08 UT: m1=12.0, Dia.=2.5', DC=2/, ... 20-cm SCT (133x) ... Juan Jose Gonzalez (Villacintor, Leon, Spain; Alt. 930 m, 42º 29' N, 5º 11' W) [Faint outer coma. Motion checked during a 30-min period. Field stars checked in DSS. Sidgwick method. APASS comparison stars. SQM: 21.1]
2017 Dec. 14.67 UT: m1=13.5, Dia.=1.3’, DC=2, ... 25-cm L f:5 (83x) ... Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, weakly condensed. Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ]
2017 Dec. 13.61 UT: m1=13.8, Dia.=1’, DC=2, ... 25-cm L f:5 (83x) ... Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse. Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ]
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