C/2018 Y1 (Iwamoto)

C/2018 Y1 (Iwamoto) – COPH/LIADA Comet Observation Database – Lightcurve: Magnitude visual vs Days from T. – 2019 April 22 – Ho=3.8 / n=15.2 /

LC: Helio-Mag versus R

C/2018 Y1 (Iwamoto)
Reported observations:
2019 Apr. 24.85 UT: m1=13.0, Dia.=2.5, DC=3, ... 30-cm T f/10(80x) ... Martin Lehky (Czech Republic)
2019 Apr. 21.79 UT: m1=12.1, Dia.=1.6', DC=1/, ... 25.4-cm L(190.5x) ... Alexsandr Morozov (Novozybkov, Russia) [method S, Lm=6.48]
2019 Apr. 05.82 UT: m1=14.6 CCD, Dia.=0.65', DC=7/, ... 0.20-m f/4 Schmidt - Newton + CCD ... Sergey Shurpakov (Observatory A98, Belarus)
2019 Apr. 04.81 UT: m1=14.9 CCD, Dia.=0.65', DC=7/, ... 0.20-m f/4 Schmidt - Newton + CCD ... Sergey Shurpakov (Observatory A98, Belarus)
2019 Apr. 02.87 UT: m1=9.8, Dia.=6', DC=2/, ... 20-cm SCT(77x) ... Juan Jose Gonzalez (Alto del Celleron - Benllera, Leon, Spain. 42º 45' N, 5º 44' W, alt. 1190 m) [Sidgwick method. Tycho-2 comparison stars. SQM: 20.9]
2019 Apr. 01.81 UT: m1=10.5, Dia.=3.5, DC=3, ... 25x100 B ... Martin Lehky (Czech Republic)
2019 Apr. 01.81 UT: m1=13.8 CCD, Dia.=0.87', DC=6/, ... 0.20-m f/4 Schmidt - Newton + CCD ... Sergey Shurpakov (Observatory A98, Belarus)
2019 Apr. 01.76 UT: m1=11.0, Dia.=2', DC=1/, ... 25.4-cm L(120x) ... Alexsandr Morozov (Novozybkov, Russia) [method S, Lm=6.65]
2019 Mar. 30.80 UT: m1=10.5, Dia.=3.5’, DC=3, ... 25×100 B ... Martin Lehky (Czech Republic)
2019 Mar. 29.81 UT: m1=10.4, Dia.=4', DC=1/, ... 25.4-cm L(120x) ... Alexsandr Morozov (Novozybkov, Russia) [method S, Lm=6.70]
2019 Mar. 29.78 UT: m1=10.3, Dia.=4’, DC=3, ... 25×100 B ... Martin Lehky (Czech Republic)
2019 Mar. 28.78 UT: m1=10.2, Dia.=4.5’, DC=3, ... 25×100 B ... Martin Lehky (Czech Republic)
2019 Mar. 26.80 UT: m1=12.2 CCD, Dia.=1.77', DC=6/, ... 0.15-m f/3.2 Volosov - Newton + CCD ... Sergey Shurpakov (Observatory C36, Belarus)
2019 Mar. 26.78 UT: m1=10.0, Dia.=5.5', DC=2, ... 25.4-cm L(120x) ... Alexsandr Morozov (Novozybkov, Russia) [method S, Lm=6.98]
2019 Mar. 23.86 UT: m1=9.3, Dia.=5', DC=3, ... 20-cm SCT(77x) ... Juan Jose Gonzalez (Alto del Castro, Leon, Spain. 42º 55' N, 5º 48' W, alt. 1720 m) [Sidgwick method. Tycho-2 comparison stars. SQM: 21.1]
2019 Mar. 23.81 UT: m1=9.9, Dia.=4.9’, DC=3, ... 20×100 B ... Martin Lehky (Czech Republic)
2019 Mar. 23.76 UT: m1=9.4, Dia.=8', DC=2, ... 25.4-cm L(48x) ... Alexsandr Morozov (Novozybkov, Russia) [method S, Lm=7.00]
2019 Mar. 22.78 UT: m1=9.9, Dia.=4.5’, DC=3, ... 20×100 B ... Martin Lehky (Czech Republic)
2019 Mar. 12.78 UT: m1=9.6, Dia.=5’, DC=3/, ... 20×100 B ... Martin Lehky (Czech Republic)
2019 Mar. 11.96 UT: m1=8.7, Dia.=8', DC=2/, ... 20x100 B ... Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2019 Mar. 10.73 UT: m1=9.5, Dia.=4.3', DC=3/, ... 25-cm L(70x, 150x) ... Danil Sidorko (Korenovsk, Russia) 
2019 Mar. 09.87 UT: m1=8.2, Dia.=10', DC=3/, ... 25x100 B ... Juan Jose Gonzalez (Alto del Trichero, Leon, Spain. 42º 46′ N, 5º 53′ W, alt. 1190 m) [Sidgwick method. Tycho-2 comparison stars. SQM: 21.2]
2019 Mar. 09.87 UT: m1=8.5, Dia.=8', DC=3/, ... 20-cm SCT(77x) ... Juan Jose Gonzalez (Alto del Trichero, Leon, Spain)
2019 Mar. 09.87 UT: m1=9.0, Dia.=5.5', DC=2, ... 20-cm L(40x) ... Valentín Díaz (La Romaneta, Alicante, España)
2019 Mar. 09.86 UT: m1=8.8, Dia.=8', DC=2, ... 8-cm B(11x) ... Carlos Labordena (Castellón, España) [no tail]
2019 Mar. 05.77 UT: m1=8.6, Dia=7.5', DC=2, ... 15.0-cm L(66x) ... Alexsandr Morozov (Novozybkov, Russia) [method S, orange zone]
2019 Mar. 04.96 UT: m1=8.6, Dia.=2', DC=4, ... 15x70 B ... Willian Souza (Paranapanema-SP, Brazil)
2019 Mar. 04.42 UT: m1=9.3, Dia.=10.5’, DC=4, ... 25-cm L f:5(39x) ... Chris Wyatt (Walcha, NSW, Australia) [Low altitude = 19.0°. Coma enhances well in Swan Band filter while central condensation appears to dim in Swan Band. Comparison stars checked using Tycho-2 data in Guide 9.0. Method= M, Cat= TK]
2019 Mar. 03.41 UT: m1=8.6, Dia.=9.5’, DC=3, ... 11x70 B ... Chris Wyatt (Walcha, NSW, Australia]
2019 Mar. 02.91 UT: m1=7.5, Dia.=13', DC=3/, ... 12x45 monocular ... Juan Jose Gonzalez (Collado del Fresno - Aramo, Asturias, Spain)
2019 Mar. 02.91 UT: m1=7.8, Dia.=10', DC=3/, ... 25x100 B ... Juan Jose Gonzalez (Collado del Fresno - Aramo, Asturias, Spain)
2019 Mar. 02.84 UT: m1=8.2, Dia.=12', DC=2, ... 8-cm B(11x) ... Carlos Labordena (Castellón, España) [no tail]
2019 Mar. 02.72 UT: m1=8.2, Dia.=11', DC=2/, ... 25.4-cm L(48x) ... Alexsandr Morozov (Novozybkov, Russia)
2019 Feb. 27.96 UT: m1=7.8, Dia.=8’, DC=3/, ... 25×100 B ... Martin Lehky (Czech Republic)
2019 Feb. 27.82 UT: m1=7.6, Dia.=15', DC=2, ... 8-cm B(11x) ... Carlos Labordena (Castellón, España) [no tail]
2019 Feb. 27.77 UT: m1=7.8, Dia.=11', DC=3, ... 12.0-cm R f:5(30x) ... Maik Meyer (Linter, Germany)
2019 Feb. 26.89 UT: m1=7.8, Dia.=8’, DC=3, ... 25×100 B ... Martin Lehky (Czech Republic)
2019 Feb. 26.83 UT: m1=8.5, Dia.=10', DC=2/, ... 6-cm B(20x) ... Alexsandr Morozov (Novozybkov, Russia) [method S, yellow zone]
2019 Feb. 26.78 UT: m1=7.6, Dia.=14', DC=3, ... 12.0-cm R f:5(30x) ... Maik Meyer (Linter, Germany) [comet involved 9.3-mag star]
2019 Feb. 25.77 UT: m1=7.5, Dia.=10’, DC=3/, ... 20×100 B ... Martin Lehky (Czech Republic)
2019 Feb. 25.77 UT: m1=7.4, Dia.=14', DC=3, ... 12.0-cm R f:5(30x) ... Maik Meyer (Linter, Germany)
2019 Feb. 25.00 UT: m1=6.8, Dia.=15', DC=3/, ... 12x45 monocular ... Juan Jose Gonzalez (Puerto de Aralla, Leon, Spain. 42º 54' N, 5º 48' W, alt. 1530 m) [Sidgwick method. Tycho-2 comparison stars. SQM: 21.1]
2019 Feb. 24.77 UT: m1=7.6, Dia.=15', DC=3/, ... 12.0-cm R(30x) ... Maik Meyer (Linter, Germany)  
2019 Feb. 24.44 UT: m1=7.7, Dia.=8, ... 10x50 B ... David A. J. Seargent (Cowra, NSW, Australia) [Enhanced through Swan Band filter]
2019 Feb. 23.82 UT: m1=7.0, Dia.=14', DC=3, ... 8-cm B(11x) ... Carlos Labordena (Castellón, España)
2019 Feb. 23.76 UT: m1=7.6, Dia.=15', DC=3/, ... 12.0-cm R(30x) ... Maik Meyer (Linter, Germany)
2019 Feb. 23.51 UT: m1=7.7, Dia.=15', DC=3/, ... 10x70R ... Seiichi Yoshida (Ibaraki, Japan)
2019 Feb. 23.51 UT: m1=8.3, Dia.=11', DC=4, ... 40.0-cm L f/4.5(36x) ... Seiichi Yoshida (Ibaraki, Japan)
2019 Feb. 22.82 UT: m1=7.3, Dia.=17', DC=3/, ... 12.0-cm R(30x) ... Maik Meyer (Linter, Germany)
2019 Feb. 22.43 UT: m1=7.2, ... 10x50 B ... David A. J. Seargent (Cowra, NSW, Australia) [Enhanced through Swan Band filter. Close to bright star making estimate very approximate]
2019 Feb. 21.81 UT: m1=6.7, Dia.=15', DC=3, ... 8-cm B(11x) ... Carlos Labordena (Castellón, España)
2019 Feb. 20.76 UT: m1=6.9, Dia,=&20', DC=3/, ... 10x50 B ... Maik Meyer (Linter, Germany)  
2019 Feb. 18.77 UT: m1=7.1, Dia.=15’, DC=3, ... 25×100 B ... Martin Lehky (Czech Republic)
2019 Feb. 17.75 UT: m1=7.0, Dia.=10’, DC=3/, ... 25×100 B ... Martin Lehky (Czech Republic)
2019 Feb. 17.08 UT: m1=6.9, Dia.=15’, DC=3, ... 12×60 B ... Martin Lehky (Czech Republic)
2019 Feb. 16.18 UT: m1=6.7, Dia.=&20', DC=3, ... 7x50 B ... Maik Meyer (Linter, Germany)
2019 Feb. 16.08 UT: m1=6.9, Dia.=15’, DC=3, ... 12×60 B ... Martin Lehky (Czech Republic)
2019 Feb. 15.14 UT: m1=7.1:, Dia.=&20', DC=3/, ... 10x50 B ... Maik Meyer (Linter, Germany) [comet involved w/ asterism of 3 stars of 7.5, 8.7, and 9.4 mag, respectively]
2019 Feb. 13.14 UT: m1=5.5, Dia.=30', DC=5, ... Naked Eye ... Juan Jose Gonzalez (Puerto de Aralla, Leon, Spain. 42º 54' N, 5º 48' W, alt. 1530 m) [In 12x45 monocular: m1=5.7, Dia.=22', DC=4/. Sidgwick method. Tycho-2 comparison stars. SQM: 21.5, 21.6 at zenit]
2019 Feb. 13.14 UT: m1=5.7, Dia.=22', DC=4/, ... 12x45 monocular ... Juan Jose Gonzalez (Puerto de Aralla, Leon, Spain)
2019 Feb. 13.04 UT: m1=6.3, Dia.=30', DC=4/, ... 10x50 B ... Maik Meyer (Linter, Germany)
2019 Feb. 12.85 UT: m1=6.4, Dia.=15’, DC=4/, ... 12×60 B ... Martin Lehky (Czech Republic)
2019 Feb. 12.03 UT: m1=5.5, Dia.=30', DC=5, ... Naked Eye ... Juan Jose Gonzalez (Collada de la Cobertoria, Asturias, Spain. 43º 9' N, 5º 54' W, alt. 1179 m) [In 12x45 monocular: m1=5.6, Dia.=25', DC=4. Sidgwick method. Tycho-2 comparison stars. SQM: 21.4]
2019 Feb. 12.03 UT: m1=5.6, Dia.=25', DC=4, ... 12x45 monocular ... Juan Jose Gonzalez (Collada de la Cobertoria, Asturias, Spain)
2019 Feb. 11.99 UT: m1=5.6, Dia.=28', DC=4, ... Naked Eye ... Carlos Labordena (Castellón, España)
2019 Feb. 11.95 UT: m1=5.8, Dia.=25', DC=4, ... 3.3-cm R(5x) ... Carlos Labordena (Castellón, España)
2019 Feb. 11.64 UT: m1=6.6, Dia.=30’, DC=4, ... 7x50 B ... Chris Wyatt (Walcha, NSW, Australia) [Coma large and diffuse, transparent outer coma, opaque inner coma, moderately condensed centre. Comparison stars checked using Yale Bright Star data in Guide 9.0. Method= M, Cat= YG]
2019 Feb. 11.04 UT: m1=6.8, Dia.=8', DC=3, ... 9.0-cm R f/5.5)33x) ... Willian Souza (Sao Paulo, Brazil)
2019 Feb. 11.03 UT: m1=6.7, Dia.=8', DC=3, ... 15x70 B ... Willian Souza (Sao Paulo, Brazil)
2019 Feb. 10.89 UT: m1=6.4, Dia.=25', DC=2.5, ... 6-cm B(20x) ... Alexsandr Morozov (Novozybkov, Russia) [method S]
2019 Feb. 10.29 UT: m1=6.2, Dia.=30', DC=4, ... 7x50 B ... Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2019 Feb. 10.08 UT: m1=6.7, Dia.=10', DC=3/, ... 15x70 B ... Willian Souza (Sao Paulo, Brazil)
2019 Feb. 09.99 UT: m1=6.2, Dia.=17', DC=5, ... 10X50 B ... Valentín Díaz (La Romaneta, Alicante, España)
2019 Feb. 09.69 UT: m1=7.0, Dia.=17.4’; DC=5/, ... 7x50 B ... Chris Wyatt (Walcha, NSW, Australia) [Close to bright stars, sometimes appears to have a faint stellar pseudo nucleus. Comparison stars checked using Tycho-2 data in Guide 9.0. Method= M, Cat= TK]
2019 Feb. 09.50 UT: m1=7.3, Dia.=16', DC=4, ... 25x100 B ... David A. J. Seargent (Cowra, NSW, Australia) [Moderately enhanced through Swan Band filter]
2019 Feb. 09.25 UT: m1=6.3, Dia.=30', DC=4/, ... 7x50 B ... Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2019 Feb. 09.08 UT: m1=6.8, Dia.=10', DC=3, ... 15x70 B ... Willian Souza (Sao Paulo, Brazil)
2019 Feb. 08.96 UT: m1=6.1, Dia.=25', DC=3, ... 8-cm B(11x) ... Carlos Labordena (Castellón, España)
2019 Feb. 08.95 UT: m1=6.3, Dia.=20', DC=4, ... 15-cm T(30x) ... Carlos Labordena (Castellón, España)
2019 Feb. 08.17 UT: m1=6.5, Dia.=25', DC=4/, ... 7x50 B ... Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2019 Feb. 08.10 UT: m1=6.6, Dia.=25', DC=4, ... 10x50 B ... Maik Meyer (Linter, Germany)
2019 Feb. 08.17 UT: m1=6.5, Dia.=25', DC=4/, ... 7x50 B ... Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2019 Feb. 07.94 UT: m1=7.2, Dia.=20', DC=3, ... 6-cm B (20x) ... Alexsandr Morozov (Novozybkov, Russia) [method S]
2019 Feb. 07.19 UT: m1=7.1, Dia.=20’, DC=3, ... 12×60 B ... Martin Lehky (Czech Republic)
2019 Feb. 07.12 UT: m1=6.7, Dia.=20, DC=4, ... 7x50 B ... Marco Antonio Coelho Goiato (Araçatuba, Brazil) [with 20 x 100 B: Tail= 20 arcmin in PA: 295°]
2019 Feb. 06.14 UT: m1=6.9, Dia.=20', DC=3/, ... 10x50 B ...  Maik Meyer (Linter, Germany)
2019 Feb. 06.04 UT: m1=5.9, Dia.=30', DC=3, Tail= 1.3 deg. in PA: 300 deg., ... 12x45 monocular ... Juan Jose Gonzalez (Collada de la Cobertoria, Asturias, Spain. 43º 9' N, 5º 54' W, alt. 1179 m) [Sidgwick method. Tycho-2 comparison stars. SQM: 21.3; 21.5 at zenit]
2019 Feb. 04.68 UT: m1=7.2, Dia= 25’, DC= 4, ... 7x50 B ... Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, opaque moderately condensed centre. Comparison stars checked using Tycho-2 data in Guide 9.0. Method= M, Cat= TK]
2019 Feb. 04.19 UT: m1=7.3, Dia.=10', DC=3, ... 8-cm B(11x) ... Carlos Labordena (Castellón, España)
2019 Feb. 04.18 UT: m1=7.4, Dia.=11', DC=4, ... 15-cm T(30x) ... Carlos Labordena (Castellón, España)
2019 Feb. 04.15 UT: m1=7.3, Dia.=20’, DC=4, ... 12.0-cm R f:5(30x) ... Maik Meyer (Linter, Germany)
2019 Feb. 04.14 UT: m1=7.1, Dia.=25’, DC=3, ... 10x50 B ... Maik Meyer (Linter, Germany)
2019 Feb. 04.02 UT: m1=7.1, Dia.=16', DC=3, ... 10X50 B ... Valentín Díaz; (Cancárix, Albacete, España).
2019 Feb. 04.02 UT: m1=7.3, Dia.=12', DC=3, ... 20X80 B ... Valentín Díaz; (Cancárix, Albacete, España).
2019 Feb. 03.69 UT: m1=7.2, Dia.=21’, DC=4, ... 7x50 B ... Chris Wyatt (Walcha, NSW, Australia) [Diffuse, transparent outer coma, opaque inner coma. Moderately condensed. Enhances well in Swan band filter. Comparison stars checked using Tycho-2 data in Guide 9.0. Method= M, Cat= TK]
2019 Feb. 03.10 UT: m1=6.1, Dia.=35', DC=2/, Tail= 3.5 deg. in PA: 300 deg., ... 12x45 monocular ... Juan Jose Gonzalez (Matadeon de los Oteros, Leon, Spain. Alt. 870 m, 42º 20' N, 5º 23' W) [Very wide and diffuse outer coma. Sidgwick method. Tycho-2 comparison stars. SQM: 21.3; 21.4 at zenit]
2019 Feb. 03.07 UT: m1:8.0, Dia.=7', DC=1, ... 20X80 B ... Valentín Díaz (Elche ciudad, España)
2019 Jan. 21.25 UT: m1=9.3, Dia.=6', DC=4, ... 22-cm L(60x) ... Marco Antonio Coelho Goiato (Araçatuba, Brazil) [Total lunar eclipse]
2019 Jan. 21.22 UT: m1=7.3, Dia.=15', DC=3, ... 10x50 B ... Juan Jose Gonzalez (Matadeon de los Oteros, Leon, Spain. Alt. 870 m, 42º 20' N, 5º 23' W) [Observed during total moon eclipse. From dark rural skies the comet shows a faint tail and wide coma. Altitude: 25 deg. Sidgwick method. Tycho-2 comparison stars. SQM: 21.0; 21.5 at zenit]
2019 Jan. 21.22 UT: m1=7.5, Dia.=15', DC=3, ... 25x1000 B ... Juan Jose Gonzalez (Matadeon de los Oteros, Leon, Spain. Alt. 870 m, 42º 20' N, 5º 23' W)
2019 Jan. 21.22 UT: m1=8.1, Dia.=12', DC=3/, Tail= 0.3 deg. in PA: 290 deg., ... 20-cm SCT(77x) ... Juan Jose Gonzalez (Matadeon de los Oteros, Leon, Spain. Alt. 870 m, 42º 20' N, 5º 23' W)
2019 Jan. 21.20 UT: m1=9.6, Dia.=4', DC=2/, ... 25.4-cm L f:5(64x) .... Maik Meyer (Linter, Germany) [all obs during total lunar eclipse]
2019 Jan. 19.24 UT: m1=9.5, Dia.=4', DC=3, ... 20-cm T(50x) ... Carlos Labordena (Castellón, España)
2019 Jan. 14.68 UT: m1=10.0, Dia.=6.4’, DC=4, ... 25-cm L f:5(39x) ... Chris Wyatt (Walcha, NSW, Australia) [Enhances well in Swan Band filter, coma slightly elongated to the NE approximately. Opaque centre, fading to edges. Comparison stars checked using Tycho-2 data in Guide 9.0, Method= M, Cat= TK]
2019 Jan. 14.26 UT: m1=8.2, Dia.=10', DC=2, ... 25x100 B ... Juan Jose Gonzalez (Alto del Castro, Leon, Spain. Alt. 1720 m, 42º 54' N, 5º 48' W) [In 25x100 B: from dark mountain skies the comet shows a wide and diffuse outer coma. Altitude: 25 deg. In 20-cm SCT(77x): m1=8.7, Dia.=8', DC=3. Sidgwick method. Tycho-2 comparison stars. SQM: 20.9]
2019 Jan. 14.26 UT: m1=8.7, Dia.=8', DC=3, ... 20-cm SCT(77x) ... Juan Jose Gonzalez (Alto del Castro, Leon, Spain. Alt. 1720 m, 42º 54' N, 5º 48' W)
2019 Jan. 12.62 UT: m1=9.7, Dia.=5’, DC=3, .. 25-cm L f:5(39x) ... Chris Wyatt (Walcha, NSW, Australia) [Enhances in Swan Band filter. Opaque centre, pale aqua-blue in colour. Faint outer coma. Low altitude= 16.8°. Comparison stars checked using Tycho-2 data in Guide 9.0, Method= S, Cat= TK]
2019 Jan. 07.67 UT: m1=10.2, Dia.=4.5’, DC=3/, ... 25-cm L f:5(39x) ... Chris Wyatt (Walcha, NSW, Australia) [Enhances in Swan Band filter. Moderately condensed. Comparison stars checked using Tycho-2 data in Guide 9.0, Method= M, Cat= TK]
2019 Jan. 07.26 UT: m1=8.9, Dia.=8', DC=2/, ... 20-cm SCT(77x) ... Juan Jose Gonzalez (Alto del Castro, Leon, Spain. Alt. 1720 m, 42º 54' N, 5º 48' W) [Altitude: 22 deg. Sidgwick method. Tycho-2 comparison stars. SQM: 20.7; 21.6 at zenith]
2019 Jan. 06.83 UT: m1=11.6, Dia.=2.4', DC=1, ... 40.0-cm L f/4.5(75x) ... Seiichi Yoshida (Ibaraki, Japan)
2019 Jan. 03.23 UT: m1=11.2, Dia.=1.2', DC=3, ... 20-cm T(80x) ... Carlos Labordena (Castellón, España)
2019 Jan. 02.25 UT: m1=9.2, Dia.=5', DC=2/, ... 20-cm SCT(77x) ... Juan Jose Gonzalez (Alto del Castro, Leon, Spain. Alt. 1720 m, 42º 54' N, 5º 48' W) [Altitude: 19 deg. Sidgwick method. Tycho-2 comparison stars. SQM: 20.8]
2018 Dec. 30.69 UT: m1=11.3, Dia.=1.4’, DC=2/, ... 25-cm L f:5(83x) ... Chris Wyatt (Walcha, NSW, Australia) [Moonlight. Coma diffuse, slight brightening to centre, enhances in Swan band filter. Visible at x39 but just above background sky threshold under moonlit conditions, difficult to obtain measurement at that scale. Elongation from the Moon is approximately 21 degrees. Comparison stars checked using APASS data in Guide 9.0, Method= S, Cat= AQ]
2018 Dec. 30.29 UT: m1=10.9:, Dia.=1.5', DC=4, ... 22-cm L(160x) ... Marco Antonio Coelho Goiato (Araçatuba, Brazil) [moonlight]
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