Comet C/2018 Y1 (Iwamoto)

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   2018Y1  2019 02 16.19  S& 7.0 GB  5.0B     7  15    4            ICQ XX WAR01                                                  Johan Warell, Lindby Observatory (K60), Skurup, Sweden ; NELM: 5.5, Reference stars: 66/74, Hazy sky, altitude 18 deg. Clear, frost, calm, 1C. 
2018Y1 2019 02 16.18 S 6.7 TK 5.0B 10 &20 3 ICQ XX MEY Maik Meyer
2018Y1 2019 02 16.14 M 6.5 TT 5.0B 10 20 3/ ICQ XX GUZ Piotr Guzik
2018Y1 2019 02 15.19 S 6.6 TK 13.0L 5 25 13 4 ICQ XX BUIaa Gideon van Buitenen, Dordrecht, NL
2018Y1 2019 02 15.16 S 6.9 TK 5.6B 8 &13 5 ICQ XX SCH04 Alex Scholten, Eerbeek
2018Y1 2019 02 15.14 S 6.6 AC 5.0B 10 25 3/ ICQ XX RES Maciej Reszelski, Szamotuly, Poland
2018Y1 2019 02 15.14 S 7.1:TK 5.0B 10 &20 3 ICQ XX MEY Maik Meyer; comet involved w/ asterism of 3 stars of 7.5, 8.7, and 9.4 mag, respectively
2018Y1 2019 02 15.14 S 6.2 TI 4.4B 8 30 2 ICQ XX HAR11 Christian Harder, Jeersdorf, Germany h; SQM-L: 20.4 mag/arcsec^2, Feldsterne störten
2018Y1 2019 02 15.11 M 7.8 TK 10.0B 25 10.2 4 ICQ XX CER01 Jakub Cerny; Comet Alt.:34.33 AS:-3.0,-5.0,-1.0,2.0,3.0 Star mags:7.394,6.888,7.771,8.015,8.317 TYC 1953-1293-1,TYC 1953-273-1,TYC 1953-536-1,TYC 1953-1429-1,TYC 1953-102-1
2018Y1 2019 02 15.10 S 6.7 TK 7.0B 6 16 12 5 PIL01 Uwe Pilz
2018Y1 2019 02 15.06 Z 6.4 U4 9.0R 5C871 25 ICQ XX JAMaaI C25 mCDS CFC CMP 5 7* 2.1s 2.1 Nick James
2018Y1 2019 02 14.93 S 7.1 TK 5.0B 15 21 3/ KAS01 Volker Kasten
2018Y1 2019 02 14.92 S 6.7 TK 10.3R 7 40 12 4 ICQ XX COLac Mike Collins, Everton
2018Y1 2019 02 14.06 Z 6.2 U4 9.0R 5C867 27.45 ICQ XX JAMaaI C27.45mCDS CFC CMP 5 7* 2.1s 2.1 Nick James
2018Y1 2019 02 13.94 S 6.8 HV 6.3B 9 13 3/ ICQ XX KAM01 Andreas Kammerer, Karlsruhe, Germany; NELM: 4.8, Sky background noticably brightened due to half-lit Moon in Tau. Comet well-visible but not obvious; seemed to be a bit smaller and a bit more condensed than the night before.
2018Y1 2019 02 13.93 S 7.2 TK 8.0B 20 11 GEIaa Alexander Geiss
2018Y1 2019 02 13.88 S 7.1 TK 10.3R 7 40 12 4 ICQ XX COLac Mike Collins, Everton
2018Y1 2019 02 13.72 M 6.7 TK 8.0B 20 15 4 ICQ XX CAM03 Paul Camilleri
2018Y1 2019 02 13.65 $M 6.5 TK 6.3B 9 14 4 ICQ XX RAE Stuart Rae, Karamu, New Zealand
2018Y1 2019 02 13.04 M 6.3 TK 5.0B 10 30 D4/ ICQ XX MEY Maik Meyer
2018Y1 2019 02 12.99 V 5.7 AQ 7.5A 4a204 12 ICQ XX PAR03I C12 mCDS CAC MIm 5 U9 0.0 3.6s 3.6 Mieczyslaw Leszek Paradowski, Lublin, Poland; Software: IRIS; temperature: -2C
2018Y1 2019 02 12.99 V 5.9 AQ 7.5A 4a204 9.53 ICQ XX PAR03I C 9.53mCDS CAC MIm 5 U9 0.0 3.6s 3.6 Mieczyslaw Leszek Paradowski, Lublin, Poland; Software: IRIS; temperature: -2C
2018Y1 2019 02 12.93 S 6.7 HV 6.3B 9 18 3 ICQ XX KAM01 Andreas Kammerer, Karlsruhe, Germany; NELM: 4.7, rather large, slightly condensed coma easily visible, but not obvious in 9x63; Moon brightened sky background.
2018Y1 2019 02 12.85 S 6.1 TK 25.0L 5 53 18 3/ ICQ XX BOH02 Jerzy Bohusz, Myślin Poland
2018Y1 2019 02 12.84 S 6.1 AC 5.0B 10 32 4 ICQ XX RES Maciej Reszelski, Szamotuly, Poland
2018Y1 2019 02 12.40 M 6.7 TK 5.0B 10 30 5 ICQ xx HER02 Carl Hergenrother
2018Y1 2019 02 12.03 S 5.5 TK 0.0E 30 5 ICQ XX GON05 Juan Jose Gonzalez Suarez
2018Y1 2019 02 12.02 S 5.6 TK 4.5R 12 25 4 ICQ XX GON05 Juan Jose Gonzalez Suarez
2018Y1 2019 02 11.98 S 6.5 AC 5.0B 10 27 3 ICQ XX RES Maciej Reszelski, Szamotuly, Poland
2018Y1 2019 02 11.96 S 6.5 HV 6.3B 9 16 3 ICQ XX KAM01 Andreas Kammerer, Karlsruhe, Germany; NELM: 4.5, Due to somewhat brightened sky background comet was no easy object; rather diffuse coma, slightly condensed towards center.
2018Y1 2019 02 11.93 S 7.1 - 7.0B 15 4 ICQ XX HOLab Gustav Holmberg, Lund, Sweden; Urban sky conditions, AAVSO sequence for R Leo used for comp. star.
2018Y1 2019 02 11.93 B 7.1 GB 8.0B 11 20 5 ICQ XX WAR01 Johan Warell, Lindby Observatory (K60), Skurup, Sweden ; Reference stars: 62/73, Well condensed, round coma. 4 deg NE of Regulus. 6d Moon low in W. Clear, +1C, light wind, frost.
2018Y1 2019 02 11.93 B 6.7 GB 5.0B 7 20 5 ICQ XX WAR01 Johan Warell, Lindby Observatory (K60), Skurup, Sweden ; Reference stars: 62/73, Well condensed, round coma. 4 deg NE of Regulus. 6d Moon low in W. Clear, +1C, light wind, frost.
2018Y1 2019 02 11.79 S 7.4 TK 10.0L 4 20 11 3 ICQ XX PEA Andrew Pearce, Nedlands
2018Y1 2019 02 11.76 S 6.6 TK 5.0B 7 14 3 ICQ XX KAR02 Timo Karhula, Virsbo, Sweden; Altitude 14 deg. A 7.3 mag star interfered. 38% moon up.
2018Y1 2019 02 11.64 xM 6.6 YG 5.0B 7 30 4 ICQ XX WYA Christopher Wyatt
2018Y1 2019 02 11.55 S 6.5 TT 4.0B 8 20 4/ ICQ XX MAT08 Michael Mattiazzo, Swan Hill, Victoria, Australia
2018Y1 2019 02 11.09 S 6.6 TK 5.6B 8 &20 6 ICQ XX SCH04 Alex Scholten, Eerbeek
2018Y1 2019 02 11.04 S 6.8 TK 9.0R 5 33 8 3 ICQ XX SOU01 Willian Souza
2018Y1 2019 02 11.03 S 6.7 TK 7.0B 15 8 3 ICQ XX SOU01 Willian Souza
2018Y1 2019 02 11.02 Z 6.0 U4 9.0R 5C542 34 ICQ XX JAMaaI C34 mCDS CFC CMP 5 7* 2.1s 2.1 Nick James
2018Y1 2019 02 10.91 Z 7.3 U4 20.0T 2a800 >27 ICQ XX SWAaa C27 m CMP 5 U9* 1.3s 1.3 David Swan, Tynemouth, UK; Based on green channel extracted from colour image. ASI178MC on C8 Hyperstar.
2018Y1 2019 02 10.88 C 6.9 AQ 25.4Y 7A725 18.3 2.2m331 ICQ XX BAMaaI C18.3 mQHA GSA KPR 0 U9* 0.0 2.2s 2.2 Daniel Bamberger
2018Y1 2019 02 10.76 S 7.6 TK 10.0L 4 20 10 3 ICQ XX PEA Andrew Pearce, Nedlands
2018Y1 2019 02 10.29 S 6.2 TK 5.0B 7 30 4 ICQ XX GOI Marco Goiato
2018Y1 2019 02 10.18 S 6.3 AC 5.0B 10 25 3 ICQ XX RES Maciej Reszelski, Szamotuly, Poland
2018Y1 2019 02 10.08 M 6.5 TK 18.5L 5 73 9 4 ICQ XX KWI Maciej Kwinta
2018Y1 2019 02 10.08 S 6.7 TK 7.0B 15 10 3/ ICQ XX SOU01 Willian Souza
2018Y1 2019 02 10.00 S 6.1 TT 0.0E &30 3 ICQ XX GUZ Piotr Guzik
2018Y1 2019 02 09.99 M 6.4 TT 5.0B 10 25 4/ ICQ XX GUZ Piotr Guzik
2018Y1 2019 02 09.99 M 6.2 TK 5.0B 10 17 5 ICQ XX DIAab Valentín Díaz, La Romana, Alicante, España; NELM: 5.0, light poluttion
2018Y1 2019 02 09.94 S 7.2 TK 5.0B 15 20 3/ KAS01 Volker Kasten
2018Y1 2019 02 09.80 M 6.5 TK 8.0B 20 15 4 ICQ XX CAM03 Paul Camilleri
2018Y1 2019 02 09.69 xM 7.0 TK 5.0B 7 17.4 5/ ICQ XX WYA Christopher Wyatt
2018Y1 2019 02 09.58 S 6.5 TT 4.0B 8 20 4 ICQ XX MAT08 Michael Mattiazzo, Swan Hill, Victoria, Australia
2018Y1 2019 02 09.25 S 6.3 TK 5.0B 7 30 4/ ICQ XX GOI Marco Goiato
2018Y1 2019 02 09.08 Z 6.2 U4 9.0R 5C866 30 ICQ XX JAMaaI C30 mCDS CFC CMP 5 7* 2.1s 2.1 Nick James
2018Y1 2019 02 09.08 S 6.8 TK 7.0B 15 10 3 ICQ XX SOU01 Willian Souza
2018Y1 2019 02 09.07 S 6.6 TK 10.3R 7 40 15 3/ ICQ XX COLac Mike Collins, Everton
2018Y1 2019 02 09.05 V 6.0 AQ 7.5A 4a465 9.53 ICQ XX PAR03I C 9.53mCDS CAC MIm 5 U9 0.0 3.6s 3.6 Mieczyslaw Leszek Paradowski, Lublin, Poland; Software: IRIS; haze; temperature: -2C
2018Y1 2019 02 09.05 V 5.8 AQ 7.5A 4a465 12 ICQ XX PAR03I C12 mCDS CAC MIm 5 U9 0.0 3.6s 3.6 Mieczyslaw Leszek Paradowski, Lublin, Poland; Software: IRIS; haze; temperature: -2C
2018Y1 2019 02 08.95 S 6.9 TK 18.5L 5 119 8 3/ ICQ XX KWI Maciej Kwinta
2018Y1 2019 02 08.94 M 6.5 TT 5.0B 10 25 4 0.6 300 ICQ XX GUZ Piotr Guzik
2018Y1 2019 02 08.52 S 6.7 TT 4.0B 8 17 4 ICQ XX MAT08 Michael Mattiazzo, Swan Hill, Victoria, Australia
2018Y1 2019 02 08.17 S 6.5 TK 5.0B 7 25 4/ ICQ XX GOI Marco Goiato
2018Y1 2019 02 08.10 M 6.6 TK 5.0B 10 25 4 ICQ XX MEY Maik Meyer
2018Y1 2019 02 07.97 M 6.5 TT 5.0B 10 25 4 ICQ XX GUZ Piotr Guzik
2018Y1 2019 02 07.65 M 7.1 TK 8.0B 20 15 3 ICQ XX CAM03 Paul Camilleri
2018Y1 2019 02 07.34 S 7.5:AC 15.0T10 38 2/ ICQ XX AGUaa Salvador Aguirre, Sonora,Mex.
2018Y1 2019 02 07.19 M 7.1 TT 6.0B 12 20 3 ICQ XX LEH Martin Lehký
2018Y1 2019 02 07.16 S 6.6 AC 10.0B 20 20 3 ICQ XX RES Maciej Reszelski, Szamotuły, Poland
2018Y1 2019 02 07.12 S 6.7 TK 5.0B 7 20 4 ICQ XX GOI Marco Goiato
2018Y1 2019 02 07.06 V 6.1 AQ 7.5A 4a480 9.53 ICQ XX PAR03I C 9.53mCDS CAC MIm 5 U9 0.0 3.6s 3.6 Mieczyslaw Leszek Paradowski, Lublin, Poland; Software: IRIS; clear; temperature: -2C
2018Y1 2019 02 07.06 V 5.9 AQ 7.5A 4a480 12 ICQ XX PAR03I C12 mCDS CAC MIm 5 U9 0.0 3.6s 3.6 Mieczyslaw Leszek Paradowski, Lublin, Poland; Software: IRIS; clear; temperature: -2C
2018Y1 2019 02 07.05 S 6.4 TT 0.0E &30 3 ICQ XX GUZ Piotr Guzik
2018Y1 2019 02 07.04 S 7.2 TK 18.5L 5 73 8 3/ ICQ XX KWI Maciej Kwinta
2018Y1 2019 02 07.04 M 6.6 TT 5.0B 10 25 4 ICQ XX GUZ Piotr Guzik
2018Y1 2019 02 07.04 S 7.2 TK 5.0B 7 12 3 ICQ XX PAR03 Mieczyslaw Leszek Paradowski, Lublin, Poland
2018Y1 2019 02 07.03 Z 7.0 AQ 10.0R 6A260 39 FRIaaI Steffen Fritsche
2018Y1 2019 02 06.16 S 7.6 TK 5.0B 4 7 14 4 PIL01 Uwe Pilz
2018Y1 2019 02 06.14 S 6.9 TK 5.0B 10 20 3/ ICQ XX MEY Maik Meyer
2018Y1 2019 02 06.13 S 7.2 TK 8.0R 7 27 10.4 4 KUT Walter Kutschera
2018Y1 2019 02 06.12 S 6.8 TK 5.0B 10 8 3 ICQ XX AMO01 Alexandre Amorim
2018Y1 2019 02 06.04 S 5.9 TK 4.5R 12 30 3 1.3 300 ICQ XX GON05 Juan Jose Gonzalez Suarez
2018Y1 2019 02 06.00 S 7.5 TK 7.0B 6 16 10 3/ GUT Otto Guthier
2018Y1 2019 02 05.96 M 6.8 TT 5.0B 10 20 3 ICQ XX GUZ Piotr Guzik
2018Y1 2019 02 05.65 M 7.1 TK 6.3B 9 17 4 ICQ XX RAE Stuart Rae, Karamu, New Zealand
2018Y1 2019 02 05.19 S 7.4 TK 10.3R 7 40 13 3/ ICQ XX COLac Mike Collins, Everton
2018Y1 2019 02 05.15 C 7.4 NO 50.0T 7a 20 9 6 ICQ XX PAUaaI C dFL9 KA9 CMP 0 P9 36.0d36.0 Nirmal Paul, Slooh, Canary Island (MPC - G40)
2018Y1 2019 02 04.68 xM 7.2 TK 5.0B 7 25 4 ICQ XX WYA Christopher Wyatt
2018Y1 2019 02 04.15 S 7.3 TK 12.0R 5 30 20 4 ICQ XX MEY Maik Meyer
2018Y1 2019 02 04.14 S 7.1 TK 5.0B 10 25 3 ICQ XX MEY Maik Meyer
2018Y1 2019 02 04.09 S 7.5 TK 5.0B 15 13 4 KAS01 Volker Kasten
2018Y1 2019 02 04.02 S 7.3 TK 8.0B 20 12 3 ICQ XX DIAab Valentín Díaz, Cancárix, Albacete, España; Low height
2018Y1 2019 02 04.02 S 7.1 TK 5.0B 10 12 3 ICQ XX DIAab Valentín Díaz, Cancárix, Albacete, España; Low heigh
2018Y1 2019 02 03.98 S 7.3 TI 19.8L 49 9 3 ICQ XX HAR11 Christian Harder, Jeersdorf, Germany f; SQM-L: 20.6 mag/arcsec^2, Swanfilter wirkte gut : Durchm. 12`
2018Y1 2019 02 03.69 xM 7.2 TK 5.0B 7 21 4 ICQ XX WYA Christopher Wyatt
2018Y1 2019 02 03.19 S 7.5 TK 13.0L 5 25 9 3 ICQ XX BUIaa Gideon van Buitenen, Dordrecht, NL
2018Y1 2019 02 03.18 S 7.7 TK 10.3R 7 40 8.7 3 ICQ XX COLac Mike Collins, Everton
2018Y1 2019 02 03.13 Z 7.1 U4 9.0R 5F190 20.68 ICQ XX JAMaaI C20.68mCDS CFC CMP 5 7* 2.1s 2.1 Nick James
2018Y1 2019 02 03.10 S 6.1 TK 4.5R 12 35 2 3.5 300 ICQ XX GON05 Juan Jose Gonzalez Suarez
2018Y1 2019 02 03.10 C 7.8 AQ 25.4Y 7A190 14.7 3.2m284 ICQ XX BAMaaI C14.67mQHA GSA KPR 0 U9* 0.0 2.2s 2.2 Daniel Bamberger
2018Y1 2019 02 03.09 S 10.2 HS 54.0L 5 80 2.5 3 KUT Walter Kutschera
2018Y1 2019 02 03.07 S 8.0:TK 8.0B 20 7 1 ICQ XX DIAab Valentín Díaz, Elche ciudad, España; NELM: 4.5, Light pollution.
2018Y1 2019 02 01.58 S 7.9 TT 10.0B 25 10 4 ICQ XX MAT08 Michael Mattiazzo, Stockport, South Australia
2018Y1 2019 02 01.19 C 7.9 NO 50.0T 7a 20 7.8 6 ICQ XX PAUaaI C dFL9 KA9 CMP 0 P9 36.0d36.0 Nirmal Paul, Slooh, Canary Island (MPC - G40)
2018Y1 2019 02 01.14 M 7.0 TT 5.0B 10 15 3/ ICQ XX GUZ Piotr Guzik
2018Y1 2019 02 01.13 S 7.5 TK 18.5L 5 73 6 3 ICQ XX KWI Maciej Kwinta
2018Y1 2019 01 31.45 Z 7.6 AQ 10.6R 5a480 33 0.78 297 LEHaaI C33 mSTL KA1 AIT 5 3.5s 3.5 Thomas Lehmann
2018Y1 2019 01 31.31 S 7.7 TK 5.0B 10 8 2 ICQ XX AMO01 Alexandre Amorim
2018Y1 2019 01 31.29 S 8.1 TK 9.0R10 36 4 2 ICQ XX AMO01 Alexandre Amorim
2018Y1 2019 01 31.21 S 7.5 TK 10.3R 7 40 9.4 2/ ICQ XX COLac Mike Collins, Everton
2018Y1 2019 01 31.20 C 8.0 NO 50.0T 7a 50 7.5 6 ICQ XX PAUaaI C dFL9 KA9 CMP 0 P6 24.0d24.0 Nirmal Paul, Slooh, Canary Island (MPC - G40)
2018Y1 2019 01 29.56 S 8.3 TT 10.0B 25 8 4 ICQ XX MAT08 Michael Mattiazzo, Swan Hill, Victoria, Australia
2018Y1 2019 01 21.73 Z 8.9 AQ 10.6R 5a720 16 LEHaaI C16 mSTL KA1 AIT 5 3.5s 3.5 Thomas Lehmann
2018Y1 2019 01 21.25 S 9.3 TK 22.0L 6 60 6 4 ICQ XX GOI Marco Goiato
2018Y1 2019 01 21.22 S 7.3 TK 5.0B 10 15 3 ICQ XX GON05 Juan Jose Gonzalez Suarez
2018Y1 2019 01 21.21 S 7.5 TK 10.0B 25 15 3 ICQ XX GON05 Juan Jose Gonzalez Suarez
2018Y1 2019 01 21.21 S 9.5 U4 60.0L 4 75 3 1 ICQ XX SZA Sandor Szabo, Agfalva; During total lunar eclipse
2018Y1 2019 01 21.20 S 9.6 TK 25.4L 5 64 4 2/ ICQ XX MEY Maik Meyer; during total lunar eclipse
2018Y1 2019 01 21.19 S 8.1 TK 20.3T10 77 12 3/ 0.3 290 ICQ XX GON05 Juan Jose Gonzalez Suarez
2018Y1 2019 01 19.24 M 9.5 TK 20.0T10 50 4 3 ICQ XX LAB02 Carlos Labordena, Benlloch
2018Y1 2019 01 18.22 S 9.0 TI 19.8L 59 5.5 2 ICQ XX HAR11 Christian Harder, Jeersdorf, Germany f; SQM-L: 19.9 mag/arcsec^2, Swanfilter sprach gut an. Nur 15° Höhe
2018Y1 2019 01 16.62 S 9.8 TK 20.0L 6 48 4 3 ICQ XX RAE Stuart Rae, Karamu, New Zealand
2018Y1 2019 01 15.70 S 9.5 TT 10.0B 25 5 4 ICQ XX MAT08 Michael Mattiazzo, Swan Hill, Victoria, Australia
2018Y1 2019 01 15.24 Z 9.8 U4 9.0R 5a872 4.51 ICQ XX JAMaaI C 4.51mCDS CFC CMP 5 7* 2.1s 2.1 Nick James
2018Y1 2019 01 14.80 S 9.6 TK 8.0B 20 5 3 ICQ XX CAM03 Paul Camilleri
2018Y1 2019 01 14.73 Z 9.3 AQ 10.6R 5a360 17 LEHaaI C17 mSTL KA1 AIT 5 3.5s 3.5 Thomas Lehmann
2018Y1 2019 01 14.68 xM 10.0 TK 25.0L 5 39 6.4 4 ICQ XX WYA Christopher Wyatt
2018Y1 2019 01 14.26 S 8.2 TK 10.0B 25 10 2 ICQ XX GON05 Juan Jose Gonzalez Suarez
2018Y1 2019 01 14.25 S 8.7 TK 20.3T10 77 8 3 ICQ XX GON05 Juan Jose Gonzalez Suarez
2018Y1 2019 01 13.80 S 9.5 TK 8.0B 20 5 3 ICQ XX CAM03 Paul Camilleri
2018Y1 2019 01 12.62 xS 9.7 TK 25.0L 5 39 5 3 ICQ XX WYA Christopher Wyatt
2018Y1 2019 01 11.80 S 9.6 TK 8.0B 20 6 2 ICQ XX CAM03 Paul Camilleri
2018Y1 2019 01 11.24 C 11.4 MC 50.0L 3a120 4.6 ICQ XX HILaaI C 0.19mFL9 K32 AFo 5 P5 0.0 1.0s 1.0 Kevin Hills; Multibox data generated using Astrometrica and FoCas, then Kphot used to estimate visual equivalent magnitude as reported above
2018Y1 2019 01 08.75 S 9.9 TK 8.0B 20 5 2 ICQ XX CAM03 Paul Camilleri
2018Y1 2019 01 08.71 Z 10.7 U4 50.0Y 5a719 5 ICQ XX JAMaaI C 5 mFL9 K6F CMP 5 7* 1.1s 1.1 Nick James
2018Y1 2019 01 07.80 M 10.4 TK 40.6L 76 3 4 ICQ XX CAM03 Paul Camilleri
2018Y1 2019 01 07.72 Z 9.9 AQ 10.6R 5a480 15 LEHaaI C15 mSTL KA1 AIT 5 3.5s 3.5 Thomas Lehmann
2018Y1 2019 01 07.67 xM 10.2 TK 25.0L 5 39 4.5 3/ ICQ XX WYA Christopher Wyatt
2018Y1 2019 01 07.26 S 8.9 TK 20.3T10 77 8 2/ ICQ XX GON05 Juan Jose Gonzalez Suarez
2018Y1 2019 01 06.83 S 11.6 TJ 40.0L 4 75 2.4 1 ICQ XX YOS04 Seiichi Yoshida
2018Y1 2019 01 06.20 Z 11.2 MC 50.0L 3a120 3.9 ICQ XX HILaaI C 0.19mFL9 K32 AFo 5 P5 0.1 1.0s 1.0 Kevin Hills; Multibox data generated using Astrometrica and FoCas, then Kphot used to estimate visual equivalent magnitude as reported above
2018Y1 2019 01 04.31 V 10.2 AQ 30.0C 6A440 7.8 ICQ XX MAS01I C 7.8 mG4x KA3 KPR 5 U9* 0.0 1.8s 1.8 Martin Masek; Comet Alt.:31.1 Calculated mags:10.2,10.2,10.2,10.2,10.2,10.2,10.2,10.2
2018Y1 2019 01 04.31 k 11.9 AQ 30.0C 6A440 3 ICQ XX MAS01I C 3 mG4x KA3 KPR 0 U9* 0.0 1.8s 1.8 Martin Masek; Comet Alt.:30.7 Calculated mags:11.9,11.9,11.9,11.8,11.9,11.9,11.9,11.9
2018Y1 2019 01 03.35 C 11.5 NO 35.0T11a 50 6 ICQ XX PAUaaI C dSTL KA1 AFo 0 P6 27.0d27.0 Nirmal Paul, Slooh, La Dehesa (MPC - W88); Data generated using astrometrica, focas and kphot. Later to produce visual equivalent magnitude.
2018Y1 2019 01 03.23 M 11.2 TK 20.0T10 80 1.2 3 ICQ XX LAB02 Carlos Labordena, Culla
2018Y1 2019 01 02.25 S 9.2 TK 20.3T10 77 5 2/ ICQ XX GON05 Juan Jose Gonzalez Suarez
2018Y1 2019 01 01.72 C 10.9 AQ 10.6R 5a180 5 ICQ XX RAMaa C s KB2 5 U3 0.1 3.5s 3.5 Raymond Ramlow
2018Y1 2019 01 01.71 Z 11.5 U4 50.0Y 5a434 3.38 ICQ XX JAMaaI C 3.38mFL9 K6F CMP 5 7* 1.1s 1.1 Nick James
2018Y1 2018 12 30.69 xS 11.3 AQ 25.0L 5 83 1.4 2/ ICQ XX WYA Christopher Wyatt
2018Y1 2018 12 30.29 S 10.9:TK 22.0L 6 160 1.5 4 ICQ XX GOI Marco Goiato; Moonlight
2018Y1 2018 12 29.72 Z 10.6 AQ 10.6R 5a720 10 LEHaaI C10 mSTL KA1 AIT 5 3.5s 3.5 Thomas Lehmann
2018Y1 2018 12 28.87 C 11.6 AQ 7.2A 3a600 3.7 ICQ XX YOS02I a 30C 3.7 mNDS CAC SI6 5 10.4 5.5s 5.5 Katsumi Yoshimoto; B-V of comp. stars were +0.24, +0.37 and +0.54.
2018Y1 2018 12 27.73 Z 10.6 AQ 10.6R 5a600 9.7 LEHaaI C 9.7 mSTL KA1 AIT 5 3.5s 3.5 Thomas Lehmann
2018Y1 2018 12 27.71 Z 12.2 U4 50.0Y 5a708 2 ICQ XX JAMaaI C 2 mFL9 K6F CMP 5 7* 1.1s 1.1 Nick James
2018Y1 2018 12 25.71 Z 12.5 U4 50.0Y 5a390 1.69 ICQ XX JAMaaI C 1.69mFL9 K6F CMP 5 7* 1.1s 1.1 Nick James
2018Y1 2018 12 23.53 Z 10.7 AQ 10.6R 5a480 9.4 LEHaaI C 9.4 mSTL KA1 AIT 5 3.5s 3.5 Thomas Lehmann
2018Y1 2018 12 22.73 Z 11.2 AQ 10.6R 5a600 6 LEHaaI C 6 mSTL KA1 AIT 5 3.5s 3.5 Thomas Lehmann
2018Y1 2018 12 22.24 C 12.5 MC 50.0L 3a 60 0.9 ICQ XX HILaaI C 0.19mFL9 K32 AFo 5 P5 0.0 1.0s 1.0 Kevin Hills; Multibox data generated using Astrometrica and FoCas, then Kphot used to estimate visual equivalent magnitude as reported above
2018Y1 2018 12 20.87 aC 13.2 AQ 20.3Y 5a330 1.5 ICQ XX YOS02I a 15S 1.5 mST9 K26 SI6 5 13.1 3.4s 3.4 Katsumi Yoshimoto; B-V of comp. stars were +0.56, +0.59 and +0.65.