C/2019 Y1 (ATLAS)

C/2019 Y1 (ATLAS)
Reported observations:
2020 Mar. 31.74 UT: m1=9.0, Dia.=1.5', DC=4/, ... 25.4-cm L(48x) ... Alexsandr Morozov (Novozybkov, Russia) [method S, green zone, Moon 43%]
2020 Mar. 24.75 UT: m1=9.0, Dia.=2.5', DC=4/, ... 25.4-cm L(48x) ... Alexsandr Morozov (Novozybkov, Russia) [method S, Lm=6.30]
2020 Mar. 18.79 UT: m1=7.7, Dia.=5', DC=3/, ... 12.0-cm R f/5(30x) ... Maik Meyer (Linter Germany)
2020 Mar. 15.73 UT: m1=8.9, Dia.=3.5', DC=4/, ... 25.4-cm L(48x) ... Alexsandr Morozov (Novozybkov, Russia) [method M, Lm=6.35]
2020 Mar. 14.83 UT: m1=8.4, Dia.=3', DC=7, ... 25x100 B ... Juan Jose Gonzalez (Alto del Castro, Leon, Spain, 42º 55' N, 5º 48' W, alt. 1720 m) [Altitude: 11°. Morris method. Tycho-2 comparison stars. SQM: 20.8]
2020 Mar. 14.82 UT: m1=9.3, Dia.=2.5', DC=6, ... 15-cm L(30x) ... Carlos Labordena (Castellón, España)
2020 Feb. 21.79 UT: m1=9.7, Dia.=3', DC=3, ... 20-cm SCT(80x) ... Carlos Labordena (Castellón, España)
2020 Feb. 19.81 UT: m1=9.6, Dia.=4', DC=3, ... 20-cm SCT(77x) ... Juan Jose Gonzalez (Alto del Trichero, León, Spain, 42º 46' N, 5º 53' W, alt. 1190 m) [Zodiacal light. Altitude: 16°. Sidgwick method. Tycho-2 comparison stars. SQM: 20.4]
2020 Feb. 14.79 UT: m1=10.8, Dia.=1.5', DC=3, ... 20-cm SCT(80x) ... Carlos Labordena (Castellón, España) [no tail]
2020 Jan. 31.78 UT: m1=11.7, Dia.=2', DC=3, ... 23.5-cm SCT(94x) ... Carlos Labordena (Castellón, España) [no tail]
2020 Jan. 31.40 UT: m1=11.4, Dia.=1.4', DC=3/, ... 40.0-cm L f/4.5(144x) ... Seiichi Yoshida (Ibaraki, Japan)