Comet C/2018 W2 (Africano)


IIIYYYYMnL YYYY MM DD.DD eM/mm.m:r AAA.ATF/xxxx /dd.ddnDC /t.ttmANG ICQ XX*OBSxxf InT APERTURcamchip SFW C ## u.uu xx.x PIXELSIZE
   2018W2  2019 08 16.76  S 11.1 TJ 40.0L 4 144   1.8  2/           ICQ XX YOS04                                                  Seiichi Yoshida
2018W2 2019 08 13.12 C 11.1 UO 50.0L 3a150 2.2 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
2018W2 2019 08 12.45 Z 10.9 AQ 10.6R 5a720 11 LEHaaI C11 mSTL KA1 AIT 5 3.5s 3.5 Thomas Lehmann, mlim=19.1, CCD/G remote (Mayhill)
2018W2 2019 08 11.99 S 11.5 AQ 32.6L 5 67 2.5 4 ICQ XX GUZ Piotr Guzik
2018W2 2019 08 11.97 !V 14.6 U4 23.5T10a 30 < 1 S7 < 1.0m 0 ICQ XX BAHabI a 30S 7 mG2x K16 A4A 5 U9 0.1 14.0 d Vladimir Bahyl, observatory "Júlia", Zvolenská Slatina, Slovak Republic, Europe; All data have been treated in Astrometrica
2018W2 2019 08 11.44 Z 11.0 AQ 10.6R 5a180 7.9 ICQ XX RAMaa C sSTL KA1 5 U3 0.1 3.5s 3.5 Raymond Ramlow
2018W2 2019 08 11.07 S 9.8 TK 25.4T10 96 3.2 3 ICQ XX COLac Mike Collins, Everton
2018W2 2019 08 11.05 S 11.7 TK 32.0L 5 48 2.7 5 PIL01 Uwe Pilz
2018W2 2019 08 11.00 S 11.1 TI 53.1L 155 2.4 3 ICQ XX HAR11 Christian Harder, Jeersdorf, Germany f; SQM-L: 20.6 mag/arcsec^2, Swanfilter wirkte: Durchm. 3.5`
2018W2 2019 08 10.97 Z 10.9 AQ 10.0R 6B163 11 FRIaaI C11 mCDS CFC AIT 5 2.0s 2.0 Steffen Fritsche, mlim=19.6, DSLR green
2018W2 2019 08 10.95 Z 10.9 AQ 20.0L 4B880 12 LEHaaI C12 mPDS CAC AIT 5 1.2s 1.2 Thomas Lehmann, mlim=19.7, DSLR green, moon 81% dist 140 deg
2018W2 2019 08 10.94 C 11.8 AQ 20.0L 4A200 5.1 ICQ XX LOSaaI C 5.13mCKD CAC KPR 5 U9* 0.0 1.1s 1.1 Miroslav Lostak; Comet Alt.:30.6 Calculated mags:11.8,11.7,11.8,11.8,11.8,11.8,11.7,11.8
2018W2 2019 08 09.03 S 10.8 AQ 25.4L 5 64 2.5 2/ ICQ XX MEY Maik Meyer
2018W2 2019 08 09.02 S 10.8 TI 30.0L 4 109 2.5 3 ICQ XX HAR11 Christian Harder, Jeersdorf, Germany h; SQM-L: 20.8 mag/arcsec^2, Swanfilter wirkte: Durchmesser 4.5`
2018W2 2019 08 09.01 Z 11.1 AQ 10.0R 6B163 12 FRIaaI C12 mCDS CFC AIT 5 2.0s 2.0 Steffen Fritsche, mlim=19.8, DSLR green
2018W2 2019 08 08.07 S 10.3 TK 25.4T10 96 2.9 2/ ICQ XX COLac Mike Collins, Everton
2018W2 2019 08 07.93 S 11.2 TI 30.0L 4 109 1.5 2 ICQ XX HAR11 Christian Harder, Jeersdorf, Germany f
2018W2 2019 08 07.04 S 9.8 TK 25.4T10 96 3.5 2 ICQ XX COLac Mike Collins, Everton
2018W2 2019 08 06.07 C 12.0 AQ 60.0P 3a600 3.3 ICQ XX WAR01I C 3.3 mAp9 KA9 KPR 0 U5* 0.3 1.3s 1.3 Johan Warell; Comet Alt.:46.8 Calculated mags:12.1,12.4,11.8,12.3,12.3,11.9,11.2,12.1
2018W2 2019 08 05.96 S 11.1 AQ 32.6L 5 67 3 3 ICQ XX GUZ Piotr Guzik
2018W2 2019 08 05.43 Z 11.1 AQ 10.6R 5a480 10 LEHaaI C10 mSTL KA1 AIT 5 3.5s 3.5 Thomas Lehmann, mlim=17.6, CCD/G remote (Mayhill)
2018W2 2019 08 05.09 S 10.2 TK 20.3T10 77 4 2/ ICQ XX GON05 Juan Jose Gonzalez Suarez
2018W2 2019 08 05.02 !V 14.3 U4 23.5T10a 30 < 1 d1 < 1.0m 0 ICQ XX BAHabI a 30C 7 mG2x K16 A4A 5 U9 0.1 14.0 1536.0s1024.0 Vladimir Bahyl, observatory "Júlia", Zvolenská Slatina, Slovak Republic, Europe; All fits files have been treated in Astrometrica
2018W2 2019 08 04.11 !M 11.6 TK 20.0T10 80 2 2 ICQ XX LAB02 Carlos Labordena, Culla
2018W2 2019 08 04.04 S 11.3 AQ 25.4L 5 64 3 2/ ICQ XX MEY Maik Meyer
2018W2 2019 08 03.93 S 11.2 TI 53.1L 155 2 2 ICQ XX HAR11 Christian Harder, Jeersdorf, Germany f; SQM-L: 20.4 mag/arcsec^2, Swanfilter sprach an
2018W2 2019 08 03.06 S 10.7 TK 25.4T10 96 2.7 3 ICQ XX COLac Mike Collins, Everton
2018W2 2019 08 02.93 S 11.9 AQ 30.5L 5 125 1.5 3 ICQ XX KAR02 Timo Karhula, Virsbo, Sweden; Twilight. Solar altitude -12 deg.
2018W2 2019 08 02.11 S 10.3 TK 20.3T10 77 4 2/ ICQ XX GON05 Juan Jose Gonzalez Suarez
2018W2 2019 08 01.17 V 11.5 AQ 25.0T 7A560 4 ICQ XX MAS01I C 4 mG2x E2V KPR 5 U9* 0.0 1.5s 1.5 Martin Masek; Comet Alt.:32.2 Calculated mags:11.5,11.5,11.4,11.6,11.5,11.5,11.6,11.5,11.5
2018W2 2019 08 01.17 k 12.2 AQ 25.0T 7A680 2.5 ICQ XX MAS01I C 2.5 mG2x E2V KPR 5 U9* 0.0 1.5s 1.5 Martin Masek; Comet Alt.:31.7 Calculated mags:12.2,12.2,12.2,12.2,12.3,12.3,12.3,12.2
2018W2 2019 08 01.01 S 11.5 AQ 25.4L 5 104 2 3 ICQ XX MEY Maik Meyer
2018W2 2019 08 01.00 C 12.0 AQ 20.0L 4A520 5.1 ICQ XX LOSaaI C 5.13mCKD CAC KPR 5 U9* 0.1 1.1s 1.1 Miroslav Lostak; Comet Alt.:35.3 Calculated mags:12.1,12.0,12.1,12.0,12.1,12.0,12.1,12.1,12.0
2018W2 2019 07 31.43 Z 11.4 AQ 10.6R 5a180 6.3 ICQ XX RAMaa C sSTL KA1 5 U3 0.1 3.5s 3.5 Raymond Ramlow
2018W2 2019 07 31.42 Z 11.0 AQ 10.6R 5a600 12 LEHaaI C12 mSTL KA1 AIT 5 3.5s 3.5 Thomas Lehmann, mlim=18.4, CCD/G remote (Mayhill)
2018W2 2019 07 30.07 C 12.7 AQ 60.0P 3A201 3 ICQ XX WAR01I C 3 mAp9 KA9 KPR 0 U9* 0.3 3.9s 3.9 Johan Warell; Measurer WAR01, observer MIK, Crni Vrh. Comet Alt.:42.3 Calculated mags:12.6,12.3,13.0,12.8,13.0
2018W2 2019 07 30.03 S 10.3 TK 20.3T10 77 4 2/ ICQ XX GON05 Juan Jose Gonzalez Suarez
2018W2 2019 07 30.02 S 11.8 TK 25.4L 5 104 1.2 3 ICQ XX MEY Maik Meyer
2018W2 2019 07 27.94 S 12.2 TI 53.1L 155 1.8 2 ICQ XX HAR11 Christian Harder, Jeersdorf, Germany f; SQM-L: 20.1 mag/arcsec^2, at 23:40 UT with Swanfilter diameter 2.5`
2018W2 2019 07 26.93 S 11.9 TI 30.0L 4 133 2 2 ICQ XX HAR11 Christian Harder, Jeersdorf, Germany f; SQM-L: 20.2 mag/arcsec^2, Swanfilter sprach kaum an
2018W2 2019 07 26.03 Z 11.4 AQ 10.0R 6B281 7.7 FRIaaI C 7.7 mCDS CFC AIT 5 2.0s 2.0 Steffen Fritsche, mlim=18.9, DSLR green
2018W2 2019 07 26.01 S 11.7 TK 38.0L 4 97 1.5 3 ICQ XX BOH02 Jerzy Bohusz, Myślin Poland
2018W2 2019 07 25.93 S 12.7 U4 60.0L 4 244 1.4 4 ICQ XX SZA Sandor Szabo, Tarjan
2018W2 2019 07 24.94 S 10.4 TK 20.3T10 100 4 2/ ICQ XX GON05 Juan Jose Gonzalez Suarez
2018W2 2019 07 23.97 C 11.4 AQ 20.0L 4A800 9.2 ICQ XX LOSaaI C 9.17mCKD CAC KPR 5 U9* 0.1 1.1s 1.1 Miroslav Lostak; Comet Alt.:28.5 Calculated mags:11.4,11.4,11.5,11.4,11.4,11.4,11.5,11.5,11.4
2018W2 2019 07 22.18 C 11.0 NO 50.0T 7a 50 1.58 5 ICQ XX PAUaaI C dFL9 KA9 KPH 0 P7 24.0d24.0 Nirmal Paul, Canary Island , Teide , MPC - G40; kphot used to produce visual equivalent magnitude using data from Astrometrica and Focas .
2018W2 2019 07 14.43 Z 11.3 AQ 10.6R 5a600 10 LEHaaI C10 mSTL KA1 AIT 5 3.5s 3.5 Thomas Lehmann, mlim=18.2, CCD/G remote (Mayhill)
2018W2 2019 07 14.19 C 11.5 UO 50.0L 3a150 1.7 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
2018W2 2019 07 13.18 C 11.3 NO 50.0T 7a 60 1.45 5 ICQ XX PAUaaI C dFL9 KA9 KPH 0 P3 36.0d36.0 Nirmal Paul, Canary Island , Teide , MPC - G40; kphot used to produce visual equivalent magnitude using data from Astrometrica and Focas .
2018W2 2019 07 10.02 S 12.0 TK 25.4L 5 104 1.3 3/ ICQ XX MEY Maik Meyer
2018W2 2019 07 09.44 Z 11.5 AQ 10.6R 5a600 9.2 LEHaaI C 9.2 mSTL KA1 AIT 5 3.5s 3.5 Thomas Lehmann, mlim=18.1, CCD/G remote (Mayhill)
2018W2 2019 07 06.10 S 11.1 TK 20.3T10 100 4 2/ ICQ XX GON05 Juan Jose Gonzalez Suarez
2018W2 2019 07 05.18 V 12.1 AQ 25.0T 7A560 3 ICQ XX MAS01I C 3 mG2x E2V KPR 5 U9* 0.1 1.5s 1.5 Martin Masek; Comet Alt.:22.4 Calculated mags:12.2,12.2,12.1,12.1,12.2
2018W2 2019 07 05.18 k 13.1 AQ 25.0T 7A560 1.5 ICQ XX MAS01I C 1.5 mG2x E2V KPR 5 U9* 0.0 1.5s 1.5 Martin Masek; Comet Alt.:22.1 Calculated mags:13.1,13.1,13.1,13.1,13.1,13.1,13.1,13.1
2018W2 2019 07 04.03 C 11.7 AQ 20.0L 4A200 7.3 ICQ XX LOSaaI C 7.33mCKD CAC KPR 5 U9* 0.0 1.1s 1.1 Miroslav Lostak; Comet Alt.:30.9 Calculated mags:11.8,11.7,11.8,11.8,11.7
2018W2 2019 07 04.03 Z 11.8 AQ 20.0L 4B160 6.9 LEHaaI C 6.9 mPDS CAC AIT 5 1.2s 1.2 Thomas Lehmann, mlim=19.8, DSLR green
2018W2 2019 07 04.01 Z 11.6 AQ 10.0R 6A443 8.3 FRIaaI C 8.3 mCDS CFC AIT 5 2.0s 2.0 Steffen Fritsche, mlim=19.2, DSLR green
2018W2 2019 07 03.95 S 12.2 AQ 32.6L 5 67 1.5 3 ICQ XX GUZ Piotr Guzik
2018W2 2019 07 01.18 k 13.2 AQ 25.0T 7A200 1.5 ICQ XX MAS01I C 1.5 mG2x E2V KPR 5 U9* 0.0 1.5s 1.5 Martin Masek; Comet Alt.:20.4 Calculated mags:13.3,13.3,13.3,13.2,13.2,13.2,13.2,13.2
2018W2 2019 07 01.18 V 12.4 AQ 25.0T 7A320 2.8 ICQ XX MAS01I C 2.75mG2x E2V KPR 5 U9* 0.0 1.5s 1.5 Martin Masek; Comet Alt.:20.4 Calculated mags:12.5,12.4,12.4,12.5,12.4,12.5
2018W2 2019 06 30.45 C 13.2 AQ 43.1L 4a480 1.6 ICQ XX YOS02I a 60C 1.6 mFL6 K6F SI6 5 13.0 1.9s 1.9 Katsumi Yoshimoto, ,; B-V of comp. stars were +0.72, +0.82 and +0.86.
2018W2 2019 06 30.01 S 12.8 TK 23.5T10 181 1.4 3 SCHaa Gerhard Scheerle
2018W2 2019 06 29.20 C 12.4 NO 50.0T 7a 50 0.59 5 ICQ XX PAUaaI C dFL9 KA9 KPH 0 P6 24.0d24.0 Nirmal Paul, Canary Island , Teide , MPC - G40; kphot used to produce visual equivalent magnitude with data from Astrometrica and Focas .
2018W2 2019 06 29.01 Z 11.9 AQ 20.0L 4C000 6.7 LEHaaI C 6.7 mPDS CAC AIT 5 1.2s 1.2 Thomas Lehmann, mlim=19.9, DSLR green
2018W2 2019 06 26.96 S 12.7 AQ 20.3T10 133 0.6 5 ICQ XX GON05 Juan Jose Gonzalez Suarez
2018W2 2019 06 25.20 C 12.3 NO 50.0T 7a 50 0.57 5 ICQ XX PAUaaI C dFL9 KA9 KPH 0 P6 24.0d24.0 Nirmal Paul, Canary Island , Teide , MPC - G40; kphot used to produce visual equivalent magnitude with data from Astrometrica and Focas .
2018W2 2019 06 24.97 Z 12.3 AQ 20.0L 4A440 4.9 LEHaaI C 4.9 mPDS CAC AIT 5 1.2s 1.2 Thomas Lehmann, mlim=19.0, DSLR green
2018W2 2019 06 17.97 Z 12.8 AQ 20.0L 4C361 3.3 LEHaaI C 3.3 mPDS CAC AIT 5 1.2s 1.2 Thomas Lehmann, mlim=18.8, DSLR green, moon 100% dist 135 deg
2018W2 2019 06 13.96 Z 12.8 AQ 20.0L 4A921 3.2 LEHaaI C 3.2 mPDS CAC AIT 5 1.2s 1.2 Thomas Lehmann, mlim=19.4, DSLR green, moon 87% dist 125 deg
2018W2 2019 06 13.74 C 14.5 HV 15.0L 3a 50 0.6 ICQ XX HAR10I a 2S 0.6 mCDS CFC MK1 5 2* 8.3 7.1s 7.1 Ken Harikae, ,; B-V of comp. star was +1.071.
2018W2 2019 06 04.91 Z 13.2 AQ 20.0L 4B400 3.2 LEHaaI C 3.2 mPDS CAC AIT 5 1.2s 1.2 Thomas Lehmann, mlim=19.5, DSLR green
2018W2 2019 06 03.90 S 14.1 TI 53.1L 242 0.4 4 ICQ XX HAR11 Christian Harder, Ustrine, Cres, Croatia; SQM-L: 20.8 mag/arcsec^2, Höhe nur 18.5°
2018W2 2019 06 02.94 S 13.9 TI 53.1L 242 0.4 4 ICQ XX HAR11 Christian Harder, Ustrine, Cres, Croatia
2018W2 2019 06 02.89 C 14.9 AQ 13.0L 5A380 0.6 ICQ XX HADaaI C 0.56mZ12 MT9 KPR 5 U9* 0.0 1.2s 1.2 Jakub Hadač; Comet Alt.:23.5 Calculated mags:14.8,14.9,14.9,14.9
2018W2 2019 05 31.96 S 13.6 AQ 32.6L 5 114 1 2/ ICQ XX GUZ Piotr Guzik
2018W2 2019 05 31.90 S 14.2 TI 53.1L 242 0.35 3 ICQ XX HAR11 Christian Harder, Ustrine, Cres, Croatia; SQM-L: 20.8 mag/arcsec^2, nur 19° Höhe
2018W2 2019 05 30.88 S 14.1 TI 53.1L 215 0.5 3 ICQ XX HAR11 Christian Harder, Ustrine, Cres, Croatia; SQM-L: 21.1 mag/arcsec^2, In nur 20° Höhe
2018W2 2019 05 29.93 Z 13.1 AQ 20.0L 4B041 4.2 0.02 46 LEHaaI C 4.2 mPDS CAC AIT 5 1.2s 1.2 Thomas Lehmann, mlim=19.9, DSLR green
2018W2 2019 05 24.87 S 14.7 U4 50.0L 5 300 0.3 3 ICQ XX SZA Sandor Szabo, Fertoszentmiklos
2018W2 2019 05 22.90 Z 13.4 AQ 20.0L 4B041 3.7 0.02 43 LEHaaI C 3.7 mPDS CAC AIT 5 1.2s 1.2 Thomas Lehmann, mlim=19.5, DSLR green
2018W2 2019 05 22.89 S 13.8 TK 23.5T10 181 0.6 4/ SCHaa Gerhard Scheerle
2018W2 2019 05 14.89 Z 14.5 AQ 20.0L 4C482 1.9 0.02 44 LEHaaI C 1.9 mPDS CAC AIT 5 1.2s 1.2 Thomas Lehmann, mlim=20.0, DSLR green, moon 81% dist 99 deg
2018W2 2019 05 13.88 S 14.0 TK 23.5T10 181 0.5 5 SCHaa Gerhard Scheerle
2018W2 2019 05 12.94 C 15.7 U4 20.0T 2A000 ICQ XX SWAaa C 0.63m A4A 5 U9* 1.3s 1.3 David Swan, Tynemouth, UK
2018W2 2019 05 12.90 Z 14.2 AQ 20.0L 4E764 2.7 0.02 57 LEHaaI C 2.7 mPDS CAC AIT 5 1.2s 1.2 Thomas Lehmann, mlim=20.8, DSLR green, moon 60% dist 81 deg
2018W2 2019 05 08.90 V 15.5 AQ 25.0T 7A680 0.6 ICQ XX MAS01I C 0.6 mG2x E2V KPR 5 U9* 0.0 1.5s 1.5 Martin Masek; Comet Alt.:20.1 Calculated mags:15.4,15.4,15.6,15.5,15.5,15.5,15.5
2018W2 2019 05 08.90 k 15.1 AQ 25.0T 7A680 0.6 ICQ XX MAS01I C 0.6 mG2x E2V KPR 5 U9* 0.0 1.5s 1.5 Martin Masek; Comet Alt.:20.3 Calculated mags:15.1,15.1,15.2,15.2,15.2,15.2,15.1,15.
2018W2 2019 05 05.14 Z 15.1 AQ 51.0L 4a900 1.3 0.02 61 LEHaaI C 1.3 mFLB KB2 AIT 5 1.6s 1.6 Thomas Lehmann, mlim=19.3, CCD/G remote (Mayhill)
2018W2 2019 05 01.86 Z 14.6 AQ 10.0R 6C607 1.8 0.01 31 FRIaaI C 1.8 mCDS CFC AIT 5 2.0s 2.0 Steffen Fritsche, mlim=20.0, DSLR green
2018W2 2019 04 30.88 Z 15.0 AQ 10.0R 6A924 1.7 FRIaaI C 1.7 mCDS CFC AIT 5 2.0s 2.0 Steffen Fritsche, mlim=19.2, DSLR green
2018W2 2019 04 30.85 Z 14.6 AQ 10.0R 6A322 1.5 FRIaaI C 1.5 mCDS CFC AIT 5 2.0s 2.0 Steffen Fritsche, mlim=19.2, DSLR green
2018W2 2019 04 29.88 C 15.4 AQ 25.0T 6a270 0.2 ICQ XX WAR01I C 0.8 mSXV ICY KPR 5 U3* 0.1 1.6s 1.6 Johan Warell; Comet Alt.:36.2 Calculated mags:15.2,15.5,15.6,15.6,15.3,15.3,15.4,15.4,15.6,15.2,15.3
2018W2 2019 04 26.90 V 15.9 AQ 25.0T 7A200 0.5 ICQ XX MAS01I C 0.5 mG2x E2V KPR 5 U9* 0.0 1.5s 1.5 Martin Masek; Comet Alt.:23.5 Calculated mags:15.8,15.9,15.9,15.9,15.9,15.9,15.8
2018W2 2019 04 26.90 k 15.6 AQ 25.0T 7A200 0.6 ICQ XX MAS01I C 0.55mG2x E2V KPR 5 U9* 0.0 1.5s 1.5 Martin Masek; Comet Alt.:23.6 Calculated mags:15.6,15.7,15.6,15.6,15.6,15.7,15.6,15.6
2018W2 2019 04 25.91 C 14.8 AQ 25.0T 5a270 0.25 ICQ XX WAR01I C 2 mSXV ICY KPR 4 U3* 0.1 2.0s 2.0 Johan Warell; Comet Alt.:36.1 Calculated mags:14.9,14.7,14.7,14.7,14.8,14.9,14.8,14.8,14.9
2018W2 2019 04 25.85 S 14.2 TK 23.5T10 181 0.6 5 SCHaa Gerhard Scheerle
2018W2 2019 04 25.14 Z 15.6:AQ 10.6R 5a180 0.8 ICQ XX RAMaa C sSTL KA1 A32 5 U3 3.5s 3.5 Raymond Ramlow
2018W2 2019 04 23.88 C 16.1 U4 20.0T 2a800 ICQ XX SWAaa C 0.5 m A4A 5 U9* 1.3s 1.3 David Swan, Tynemouth, UK
2018W2 2019 04 22.85 Z 15.6 AQ 10.0R 6C126 0.9 0.01 55 FRIaaI C 0.9 mCDS CFC AIT 5 2.0s 2.0 Steffen Fritsche, mlim=20.1, DSLR green
2018W2 2019 04 21.92 Z 15.3 AQ 20.0L 4C362 1.1 0.02 53 LEHaaI C 1.1 mPDS CAC AIT 5 1.2s 1.2 Thomas Lehmann, mlim=19.9, DSLR green, moon 92% dist 124 deg
2018W2 2019 04 15.92 Z 15.8 AQ 20.0L 4F723 1.1 0.01 48 LEHaaI C 1.1 mPDS CAC AIT 5 1.2s 1.2 Thomas Lehmann, mlim=20.1, DSLR green, moon 83% dist 83 deg
2018W2 2019 04 08.90 Z 15.9 AQ 20.0L 4C480 0.8 0.01 75 LEHaaI C 0.8 mPDS CAC AIT 5 1.2s 1.2 Thomas Lehmann
2018W2 2019 03 24.91 Z 16.6 AQ 20.0L 4F773 0.5 0.01 61 LEHaaI C 0.5 mPDS CAC AIT 5 1.2s 1.2 Thomas Lehmann
2018W2 2019 03 23.48 C 16.6 AQ 20.3Y 5a900 0.4 ICQ XX YOS02N a 5C 0.4 mST9 K26 SI6 5 12.5 3.5s 3.5 Katsumi Yoshimoto; B-V of comp. stars were +0.56, +0.64 and +0.83.
2018W2 2019 03 21.95 C 16.6 U4 20.0T 2A000 ICQ XX SWAaa C 0.63m A4A 5 U9* 1.3s 1.3 David Swan, Tynemouth, UK
2018W2 2019 03 21.81 Z 15.8 AQ 10.0R 6a721 0.9 FRIaaI C 0.9 mCDS CFC AIT 5 2.0s 2.0 Steffen Fritsche
2018W2 2019 03 17.51 C 16.2 U4 61.0Y 7a180 0.25 4 ICQ XX BUIaa C sFL9 KA9 A4A 0 U3 d Gideon van Buitenen, Auberry, CA (U69)
2018W2 2019 03 08.92 Z 16.6 U4 20.0T 2a520 ICQ XX SWAaa C 0.5 m CMP 5 U9* 1.3s 1.3 David Swan, Tynemouth, UK
2018W2 2019 02 28.90 C 16.0 AQ 25.0T 5a450 0.3 1.6m273 ICQ XX WAR01I C 1 mSXV ICY KPR 5 U5* 0.3 2.0s 2.0 Johan Warell; Comet Alt.:49.9 Calculated mags:16.2,16.1,16.1,16.2,16.1,15.2,16.0,16.0,15.9,16.0,16.0
2018W2 2019 02 27.98 Z 16.5 AQ 20.0L 4J582 0.7 0.01 264 LEHaaI C 0.7 mPDS CAC AIT 5 1.2s 1.2 Thomas Lehmann
2018W2 2019 02 26.86 Z 16.6 GG 20.0T 2a640 ICQ XX SWAaa C 0.5 m CMP 5 U9* 1.3s 1.3 David Swan, Tynemouth, UK; C8 + Hyperstar + ASI178MM (UV+IR cut)
2018W2 2019 01 15.12 C 17.0 UO 50.0L 3a150 0.3 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
2018W2 2019 01 08.17 C 17.4 UO 50.0L 3a150 0.3 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
2018W2 2019 01 06.01 C 17.5 U4 36.0Y 2a 90 8 0.3m270 ICQ XX NOV01I C 0.23mFL9 KA9 A41 5 P7 1.7s 1.7 Artyom Novichonok, ISON-Kitab observatory; magnitude corrected to R
2018W2 2019 01 01.16 C 16.0 UO 50.0L 3a150 0.3 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
2018W2 2018 12 18.22 V 18.4 AQ 25.0T 7A560 0.2 ICQ XX MAS01I C 0.25mG2x E2V KPR 5 U9* 0.0 1.5s 1.5 Martin Masek; Comet Alt.:44.9 Calculated mags:18.4,18.4,18.4,18.4,18.4,18.4,18.4,18.4,18.4
2018W2 2018 12 14.84 C 18.2 AQ 20.3Y 5a720 0.4 ICQ XX YOS02I a 5C 0.4 mST9 K26 SI6 5 12.4 3.4s 3.4 Katsumi Yoshimoto; B-V of comp. stars were +0.64, +0.66 and +0.70.
2018W2 2018 12 12.18 k 17.8 AQ 25.0T 7A680 0.3 ICQ XX MAS01I C 0.3 mG2x E2V KPR 5 U9* 0.0 1.5s 1.5 Martin Masek; Comet Alt.:29.8 Calculated mags:17.8,17.8,17.8,17.8,17.8,17.8
2018W2 2018 12 12.17 V 18.4 AQ 25.0T 7A680 0.3 ICQ XX MAS01I C 0.3 mG2x E2V KPR 0 U9* 0.0 1.5s 1.5 Martin Masek; Comet Alt.:30.2 Calculated mags:18.4,18.4,18.3,18.4,18.3
2018W2 2018 12 09.53 C 16.7 U4 61.0Y 7a180 ICQ XX BUIaa C dFL9 KA9 CMP 0 U3 d Gideon van Buitenen, Auberry, CA
2018W2 2018 12 01.86 C 18.5 AQ 20.3Y 5a900 0.3 ICQ XX YOS02I a 60C 0.3 mST9 K26 SI6 5 13.7 3.4s 3.4 Katsumi Yoshimoto; B-V of comp. stars were +0.48, +0.49 and +0.58.