Comet C/2017 O1 (ASASSN1)

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
   2017O1  2017 11 19.14  S 10.6 TK 25.4T10  96   2.5  2            ICQ XX COLac                                                  Mike Collins, Everton
2017O1 2017 11 17.74 S 10.9:GB 10.0B 40 2.5 1 ICQ XX WAR01 Johan Warell, Lindby Observatory (K60), Skurup, Sweden ; NELM: 6.4, Reference stars: TYC 4522-0037-1 (10.4V), TYC 4522-0027-1 (11.1V), TYC 4522-0125-1 (11.4V), Extremely diffuse, no brightening towards center, visible with indirect vision only. +6C, 2/8 Cirrus, calm, dew.
2017O1 2017 11 17.20 S 9.9 TI 25.2L 47 5 2 ICQ XX HAR11 Christian Harder, Jeersdorf, Germany ; NELM: 5.9, Swanfilter wirkte
2017O1 2017 11 16.96 S 10.5 TK 25.4T10 96 2.9 2 ICQ XX COLac Mike Collins, Everton
2017O1 2017 11 16.74 S 10.0 TT 18.5L 5 73 2.5 2 ICQ XX KWI Maciej Kwinta, Krakow
2017O1 2017 11 16.25 S 9.8 TK 20.3T10 77 5 2/ ICQ XX GON05 Juan Jose Gonzalez Suarez
2017O1 2017 11 15.95 S 10.1 TT 18.5L 5 73 2.5 2 ICQ XX KWI Maciej Kwinta, Krakow
2017O1 2017 11 14.88 S 9.9 TT 18.5L 5 73 2.5 2 ICQ XX KWI Maciej Kwinta, Krakow
2017O1 2017 11 14.87 S 11.4 U4 60.0L 4 187 2 5 3.0m210 ICQ XX SZA Sandor Szabo, Sopron
2017O1 2017 11 14.23 S 9.6 TK 20.3T10 77 5 2/ ICQ XX GON05 Juan Jose Gonzalez Suarez
2017O1 2017 11 13.88 C 9.6 AQ 10.0R 6A200 21 0.07 218 FRIaa Steffen Fritsche
2017O1 2017 11 13.79 S 8.9 TK 10.0B 25 5 2 ICQ XX GON05 Juan Jose Gonzalez Suarez
2017O1 2017 11 13.71 S 9.6 TK 25.4L 5 64 3.5 1/ ICQ XX MEY Maik Meyer
2017O1 2017 11 13.08 C 11.3 UO 50.0L 3a 60 2.3 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
2017O1 2017 11 12.86 S 10.5 TI 40.2L 75 4.1 3 ICQ XX HAR11 Christian Harder, Tondern/DK; Swanfilter wirkte - Durchm. 5.5`
2017O1 2017 11 12.75 S 10.0:TK 10.0B 25 6 1 ICQ XX KAR02 Timo Karhula, Virsbo, Sweden; SQM-L: 21.0 mag/arcsec^2, A 10.3 mag star inside the coma.
2017O1 2017 11 12.31 C 9.4 AQ 10.6R 5a240 17 0.18 230 LEHaa Thomas Lehmann
2017O1 2017 11 11.96 S 10.9:GB 10.0B 40 3 1 ICQ XX WAR01 Johan Warell, Lindby Observatory (K60), Skurup, Sweden ; NELM: 6.6, Reference stars: V magnitudes 102/107/108/111, Comet smaller and fainter than previously, very diffuse. 2/8 Cs, calm, dew, +4C.
2017O1 2017 11 10.80 S 10.1 TI 40.2L 82 4.5 2 ICQ XX HAR11 Christian Harder, Jeersdorf, Germany ; NELM: 5.9, Swanfilter wirkte
2017O1 2017 11 07.73 S 10.0 GB 10.0B 20 4 2 ICQ XX WAR01 Johan Warell, Lindby Observatory (K60), Skurup, Sweden ; NELM: 5.9, Reference stars: TYC 4354-0121-1 (9.7V), TYC 4354-0523-1 (10.1V), TYC 4354-0201-1 (10.8V), Very diffuse, round coma. 11.1V star in coma <2 arcmin E of comet center. 1/8 Sc, dew, +4C, calm.
2017O1 2017 11 06.75 S 9.7 TI 19.8L 5 59 4.5 1 ICQ XX HAR11 Christian Harder, Jeersdorf, Germany ; Moonlight
2017O1 2017 11 06.75 S 8.6 TK 10.0B 25 7 2/ ICQ XX GON05 Juan Jose Gonzalez Suarez
2017O1 2017 11 03.89 C 10.1 AQ 10.0R 6a300 9.8 FRIaa Steffen Fritsche
2017O1 2017 11 03.47 C 9.2 AQ 10.6R 5a600 19 0.24 232 LEHaa Thomas Lehmann
2017O1 2017 11 02.50 S 8.8 TK 12.5B 30 7 2 ICQ xx HER02 Carl Hergenrother
2017O1 2017 11 02.17 S 9.2 TK 25.4L 5 64 6 2/ ICQ XX MEY Maik Meyer
2017O1 2017 10 30.98 S 9.8 TT 18.5L 5 73 3.5 2/ ICQ XX KWI Maciej Kwinta, Krakow
2017O1 2017 10 30.96 S 9.4 TK 10.0B 29 5 2 ICQ XX MEY Maik Meyer
2017O1 2017 10 30.16 S 10.0 TI 25.2L 5 47 6 2 ICQ XX HAR11 Christian Harder, Jeersdorf, Germany ; NELM: 6.1, Swanfilter wirkte - Durchmesser 7`
2017O1 2017 10 30.10 S 10.1 TK 25.4T10 96 3.4 3 ICQ XX COLac Mike Collins, Everton
2017O1 2017 10 30.01 C 11.0 AQ 25.0T 5a300 6.3 20.5m255 ICQ XX WAR01I C 6.33mSXV ICY KPR 5 U5* 0.2 2.0s 2.0 Johan Warell; Comet Alt.:65.5 Calculated mags:11.0,10.9,11.4,10.9,11.1,10.8,11.1,11.0,10.9,10.8
2017O1 2017 10 29.98 S 9.8 GB 10.0B 20 5 2 ICQ XX WAR01 Johan Warell, Lindby Observatory (K60), Skurup, Sweden ; NELM: 6.5, Reference stars: TYC 4091-0594-1 (9.5V), TYC 4091-0386-1 (10.0V), TYC 4091-1463-1 (10.3V), Very diffuse. In rich starfield with 11th mag stars in coma and nearby.
2017O1 2017 10 28.46 S 8.8 TK 12.5B 30 8 2 ICQ xx HER02 Carl Hergenrother
2017O1 2017 10 28.40 C 9.2 AQ 10.6R 5a600 19 0.35 238 LEHaa Thomas Lehmann
2017O1 2017 10 28.38 S 9.3 TK 8.0B 24 5 2 ICQ XX LIN04 Michael Linnolt, Volcano, Hawaii; NELM: 5.0, Reference stars: TYC4091-422-1 (9.25), TYC4087-1062-1 (9.52), Some moonlight, haze.
2017O1 2017 10 28.20 I[ 9.8 AC 20.0T10 50 ICQ XX AGUaa Salvador Aguirre, Son, Mex.; Comp. Stars= 65/98. Light Pollution Filter: Not.
2017O1 2017 10 28.09 S 10.0 TK 25.4T10 96 3.7 2 ICQ XX COLac Mike Collins, Everton
2017O1 2017 10 27.12 S 10.5 TK 25.4T10 96 3.4 3/ ICQ XX COLac Mike Collins, Everton
2017O1 2017 10 26.64 S 9.9 TJ 40.0L 4 36 5 1 ICQ XX YOS04 Seiichi Yoshida
2017O1 2017 10 25.98 S 9.4 TK 25.4T10 96 3 3 ICQ XX COLac Mike Collins, Everton
2017O1 2017 10 25.26 C 11.0 UO 50.0L 3a 60 3.6 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
2017O1 2017 10 25.07 S 8.6 TI 19.5L 5 37 8 2 ICQ XX HAR11 Christian Harder, Ustrine, Kroatien; Swanfilter wirkte
2017O1 2017 10 24.86 S 8.9 TI 30.0L 5 63 6 2 ICQ XX HAR11 Christian Harder, Ustrine, Kroatien
2017O1 2017 10 24.23 S 8.8 TK 12.5B 30 7 2 ICQ xx HER02 Carl Hergenrother
2017O1 2017 10 23.44 C 8.9 AQ 10.6R 5a600 22 0.32 233 LEHaa Thomas Lehmann
2017O1 2017 10 22.90 S 8.3 TK 10.0B 25 8 2/ ICQ XX GON05 Juan Jose Gonzalez Suarez
2017O1 2017 10 22.84 S 10.1 TK 25.4T10 96 4.2 3 ICQ XX COLac Mike Collins, Everton
2017O1 2017 10 22.78 S 9.4 GB 10.0B 20 6 2 ICQ XX WAR01 Johan Warell, Lindby Observatory (K60), Skurup, Sweden ; NELM: 6.6, Reference stars: HD 30134 (7.8V), HD 237314 (9.3V), TYC 3745-0939-1 (10.3V), Very diffuse, slightly brighter center. Humid, low Sc clouds, calm, 12C.
2017O1 2017 10 21.23 I[ 9.9 AC 15.0T10 37 ICQ XX AGUaa Salvador Aguirre, Son, Mex.; Ligth Pollution Filter= Yes. Comp. Stars= 94/99.
2017O1 2017 10 21.11 C 8.1 NO 43.0C 7a 50 5.2 6 ICQ XX PAUaaI C dFL6 CAC CMP 0 P3 18.0d18.0 Nirmal Paul, Canary Island, Teide G40; Comphot Software to produce visual equivalent magnitude.
2017O1 2017 10 21.01 B 8.7 TK 8.0B 11 7 2 ICQ XX LAB02 Carlos Labordena, Culla
2017O1 2017 10 20.81 S 9.6 TI 30.0L 5 63 4.5 2/ ICQ XX HAR11 Christian Harder, Ustrine, Kroatien; Swanfilter wirkte
2017O1 2017 10 19.88 S 9.2 TI 30.0L 5 63 5.2 2/ ICQ XX HAR11 Christian Harder, Ustrine, Kroatien; NELM: 6.3, Swanfilter wirkte
2017O1 2017 10 19.78 C 9.1 AQ 10.0R 6A620 23 FRIaa Steffen Fritsche
2017O1 2017 10 19.27 I[ 9.7 AC 20.0T10 50 ICQ XX AGUaa Salvador Aguirre, Son, Mex.; Light pollution Filter: Yes. Comp. Stars= 96/97.
2017O1 2017 10 18.95 S 8.9 TT 18.5L 5 73 6 2/ ICQ XX KWI Maciej Kwinta, Krakow
2017O1 2017 10 18.87 S 9.5 TI 30.0L 5 63 5 2 ICQ XX HAR11 Christian Harder, Ustrine, Kroatien; Swanfilter wirkte
2017O1 2017 10 18.10 S 10.0 TI 19.8L 5 37 6 2 ICQ XX HAR11 Christian Harder, Ustrine, Kroatien; Swanfilter wrikte
2017O1 2017 10 17.91 S 9.0 TT 18.5L 5 73 5.5 2 ICQ XX KWI Maciej Kwinta, Krakow
2017O1 2017 10 17.84 C 9.5 AQ 10.0R 6A260 28 FRIaa Steffen Fritsche
2017O1 2017 10 17.81 M 8.6 TT 10.0B 4 25 6 2/ ICQ XX LEH Martin Lehký
2017O1 2017 10 17.26 C 11.1 UO 50.0L 3a 60 4.3 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
2017O1 2017 10 17.00 S 8.9 TT 5.0B 10 &10 2 ICQ XX GUZ Piotr Guzik
2017O1 2017 10 16.96 S 8.7 TK 4.0B 8 11.8 2 ICQ XX CER01 Jakub Cerny; Comet Alt.:62.0 AS:-3.0,2.0,-4.0,2.0 Star mags:8.338,9.184,7.894,8.962 TYC 3733-1038-1,TYC 3733-283-1,TYC 3733-559-1,TYC 3737-1495-1
2017O1 2017 10 16.96 B 8.5 TK 8.0B 11 7 2 ICQ XX LAB02 Carlos Labordena, La Serra
2017O1 2017 10 16.92 S 9.1 TT 18.5L 5 73 4.5 2 ICQ XX KWI Maciej Kwinta, Krakow
2017O1 2017 10 16.92 S 10.2 TK 25.4T10 96 3.8 2 ICQ XX COLac Mike Collins, Everton
2017O1 2017 10 16.90 S 8.3 TI 19.8L 5 37 8.5 2 ICQ XX HAR11 Christian Harder, Cunski, Kroatien; Swanfilter wirkte
2017O1 2017 10 16.89 S 8.8 TK 20.3L 6 57 7 3 ICQ XX PAR03 Mieczyslaw Leszek Paradowski, Jabłonna, Poland
2017O1 2017 10 16.82 S 8.8 TK 10.0B 25 7 3 ICQ XX PAR03 Mieczyslaw Leszek Paradowski, Jabłonna, Poland
2017O1 2017 10 16.81 S 9.0 TK 20.3L 6 57 5 3 ICQ XX PAR03 Mieczyslaw Leszek Paradowski, Jabłonna, Poland
2017O1 2017 10 16.81 M 8.6 TT 10.0B 4 25 6 2/ ICQ XX LEH Martin Lehký
2017O1 2017 10 16.09 B 10.5 TK 44.0L 5 100 3.2 4 ICQXXX HAS02 Werner Hasubick
2017O1 2017 10 15.99 S 8.6 TI 19.8L 5 37 8.5 2 ICQ XX HAR11 Christian Harder, Cunski, Kroatien; NELM: 6.4, Swanfilter wirkte
2017O1 2017 10 15.92 C 9.1 AQ 7.5A 4B197 21 0.4 242 LEHaa Thomas Lehmann
2017O1 2017 10 15.91 S 8.8 TT 18.5L 5 73 5 2 ICQ XX KWI Maciej Kwinta, Krakow
2017O1 2017 10 15.88 S 10.3 TK 25.4T10 96 3.7 2 ICQ XX COLac Mike Collins, Everton
2017O1 2017 10 15.83 S 9.2 TK 20.0L 4 42 & 7 1 ICQ XX SCH04 Alex Scholten, Eerbeek; NELM: 6.0, Reference stars: TYC 3733-00443 (83), TYC 3733-00790 (91), TYC 3733-00283 (92), TYC 3733-00667 (97), very faint/diffuse comet
2017O1 2017 10 15.81 M 8.5 TT 10.0B 4 25 7 3 ICQ XX LEH Martin Lehký
2017O1 2017 10 15.03 S 10.2 TK 25.0L 5 60 4.6 4 0.13 KUT Walter Kutschera
2017O1 2017 10 14.99 C 9.6 AQ 10.0L 6A680 9.3 FRIaa Steffen Fritsche
2017O1 2017 10 14.97 S 9.0 TK 23.5T10 112 12 2 SCHaa Gerhard Scheerle
2017O1 2017 10 14.96 S 8.9 U4 30.5B 5 64 6 2 ICQ XX BUIaa Gideon van Buitenen, Dordrecht, Netherlands
2017O1 2017 10 14.95 S 10.0 TK 25.4T10 96 5.3 3 ICQ XX COLac Mike Collins, Everton
2017O1 2017 10 14.90 B 8.8 HI 10.0B 42 10 2 ICQ XX BUEaa Michael Buechner, Kempten
2017O1 2017 10 14.86 S 8.9 TT 18.5L 5 73 4 2 ICQ XX KWI Maciej Kwinta, Krakow
2017O1 2017 10 14.00 S 8.3 TK 10.0B 25 7 2/ ICQ XX GON05 Juan Jose Gonzalez Suarez
2017O1 2017 10 13.97 B 8.6 TK 8.0B 11 6 2 ICQ XX LAB02 Carlos Labordena, La Serra
2017O1 2017 10 13.92 S 9.0 TK 6.3B 9 10 2 SCHaa Gerhard Scheerle
2017O1 2017 10 13.90 S 8.5 TK 20.3T10 77 7 3 ICQ XX GON05 Juan Jose Gonzalez Suarez
2017O1 2017 10 13.81 M 8.6 TT 10.0B 4 25 7 2/ ICQ XX LEH Martin Lehký
2017O1 2017 10 13.78 S 10.4 TI 19.8L 5 37 3 2 ICQ XX HAR11 Christian Harder, Cunski, Kroatien; Hochnebel Swanfilter wirkte
2017O1 2017 10 12.84 S 9.4 GB 10.0B 20 6 2 ICQ XX WAR01 Johan Warell, Lindby Observatory (K60), Skurup, Sweden ; NELM: 6.6, Reference stars: SAO 39686 (9.2V), TYC 3346-0468-1 (9.8V), Very diffuse, slightly brighter center.
2017O1 2017 10 12.81 M 8.7 TT 10.0B 4 25 6.5 2/ ICQ XX LEH Martin Lehký
2017O1 2017 10 11.92 S 8.6 TK 6.3B 9 20 1 SCHaa Gerhard Scheerle
2017O1 2017 10 11.85 S 10.6 TK 25.4T10 96 3.8 2 ICQ XX COLac Mike Collins, Everton
2017O1 2017 10 11.83 S 8.0 TK 7.0B 6 16 15 2/ PIL01 Uwe Pilz
2017O1 2017 10 11.47 C 8.8 AQ 10.6R 5a720 19 0.27 238 LEHaa Thomas Lehmann
2017O1 2017 10 11.45 C 8.8 U4 10.6R 5a300 11 13.7m248 ICQ XX RAMaa C sSTL KA1 5 U3 3.5s 3.5 Raymond Ramlow
2017O1 2017 10 10.90 S 8.3 TK 10.0B 25 7 3 ICQ XX GON05 Juan Jose Gonzalez Suarez
2017O1 2017 10 03.46 C 8.9 AQ 10.6R 5a600 22 0.53 240 LEHaa Thomas Lehmann
2017O1 2017 10 03.19 S 8.1 TK 5.0B 10 11 3 ICQ XX GON05 Juan Jose Gonzalez Suarez
2017O1 2017 10 02.93 S 8.8:TK 25.4T10 96 4.3 2 ICQ XX COLac Mike Collins, Everton; SQM: 18.7 mag/arcsec^2, Reference stars: TYC 2384-0575, TYC 2384-0511, Bright Moon and proximity to TYC 2384-0351 making estimate difficult.
2017O1 2017 10 02.23 C 11.2 MC 50.0L 3a 60 4.7 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
2017O1 2017 10 02.15 C 8.3 NO 43.0C 7a 50 4.4 6 ICQ XX PAUaaI C dFL6 CAC CMP 0 P3 18.0d18.0 Nirmal Paul, Canary Island, Teide G40; Data generated using Astrometrica and Comphot Software. Later to produce visual equivalent magnitude.
2017O1 2017 10 02.05 S 9.1 TT 18.5L 5 73 4.5 2 ICQ XX KWI Maciej Kwinta, Krakow
2017O1 2017 10 01.29 S 9.5 TK 22.0L 6 60 5 2/ ICQ XX GOI Marco Goiato
2017O1 2017 10 01.00 M 9.9 TK 10.0B 25 9 3 ICQ XX CER01 Jakub Cerny; Comet Alt.:56.57 AS:-1.0,4.0,-5.0,5.0,1.0 Star mags:9.761,10.571,9.224,10.609,10.129 TYC 2380-1273-1,TYC 2380-2296-1,TYC 2380-1606-1,TYC 2380-1654-1,TYC 2380-570-1
2017O1 2017 09 30.98 S 9.2 TT 18.5L 5 73 4.5 2 ICQ XX KWI Maciej Kwinta, Krakow
2017O1 2017 09 30.90 V 9.4 AQ 3.4A 4a 60 7.9 ICQ XX PAR03I C mCKD CAC MIm 5 U9 0.0 7.9s 7.9 Mieczyslaw Leszek Paradowski, Zatwarnica, Poland; NELM: 6.0, Software: IRIS; IT=720s; moonlight, +3C; elevation 535m - Bieszczady mountains
2017O1 2017 09 30.90 V 8.8 AQ 3.4A 4a120 13.2 0.13 245 ICQ XX PAR03I C mCKD CAC MIm 5 U9 0.0 7.9s 7.9 Mieczyslaw Leszek Paradowski, Zatwarnica, Poland; NELM: 6.0, Software: IRIS; moonlight, temp. +3C, mountains Bieszczady: elevation 535m
2017O1 2017 09 30.74 xC 10.9 HV 15.0L 3a100 5.3 6 4.5m238 ICQ XX HAR10N a 3S 5.3 mCDS CFC MK1 5 4* 8.3 7.1s 7.1 Ken Harikae; GUIDE 9.0 software used for comp. star mag. B-V of comp. star was +0.562.
2017O1 2017 09 30.73 xC 10.5 HV 20.3Y 5a150 4.1 3.0m235 ICQ XX YOS02 1a 5C 4.1 mST9 K26 SI6 5 11.0 3.4s 3.4 Katsumi Yoshimoto
2017O1 2017 09 30.73 xH 10.5 HV 20.3Y 5a180 1.5 8.0m235 ICQ XX YOS02 1a 5C 4.1 mST9 K26 SI6 5 10.2 3.4s 3.4 Katsumi Yoshimoto
2017O1 2017 09 30.72 xC 11.0 HV 20.3Y 5a180 4.1 8.0m235 ICQ XX YOS02 1a 1C 4.1 mST9 K26 SI6 5 11.0 3.4s 3.4 Katsumi Yoshimoto; GUIDE 9.0 software used for comp. star mag. V-I of comp. star was +0.04.
2017O1 2017 09 30.34 S 10.4:AC 20.0T10 50 1/ ICQ XX AGUaa Salvador Aguirre, Son, Mex.; Com. Stars= 99/104. Light Pollution Filter: Yes.
2017O1 2017 09 30.00 C 9.2 AQ 25.4Y 7a200 7 4.0m250 ICQ XX BAMaaI C 7 mATI ICX KPR 4 U9* 0.0 2.1s 2.1 Daniel Bamberger; Comet Alt.:45.0 Calculated mags:9.2,9.2,9.3,9.3,9.2,9.3,9.3,9.2,9.2,9.2,9.2,9.2
2017O1 2017 09 29.99 S 10.3 TK 25.4T10 96 4.6 3/ ICQ XX COLac Mike Collins, Everton
2017O1 2017 09 29.97 S 9.2 TT 18.5L 5 73 4.5 1/ ICQ XX KWI Maciej Kwinta, Krakow
2017O1 2017 09 29.96 M 9.3 TT 10.0B 4 25 5 3 ICQ XX LEH Martin Lehký
2017O1 2017 09 29.94 S 9.0:GB 10.0B 20 5 2 ICQ XX WAR01 Johan Warell, Lindby Observatory (K60), Skurup, Sweden ; NELM: 6.0, Reference stars: HD 27730 (8.3V), HD 281936 (10.0V), Very diffuse, large, faint, slightly brighter center. Slight haze, Milky way faint. Sky mostly covered with cirrostratus, probably clear near comet. Dry, light dew, 12 C, breeze.
2017O1 2017 09 29.06 S 9.3 TT 18.5L 5 73 4 1/ ICQ XX KWI Maciej Kwinta, Krakow
2017O1 2017 09 28.39 S 9.2 TK 12.5B 30 6 2 ICQ xx HER02 Carl Hergenrother
2017O1 2017 09 28.35 S 10.2:AC 20.0T10 50 1/ ICQ XX AGUaa Salvador Aguirre, Son, Mex.; Comp. Stars= 91/102. Light Pollution Filter=Yes. Averted Vision: Yes.
2017O1 2017 09 27.94 S 9.2 TT 18.5L 5 73 4 1/ ICQ XX KWI Maciej Kwinta, Krakow
2017O1 2017 09 27.12 M 9.6 TT 10.0B 4 25 5 3/ ICQ XX LEH Martin Lehký
2017O1 2017 09 26.91 S 9.2 TT 18.5L 5 73 3.5 1/ ICQ XX KWI Maciej Kwinta, Krakow
2017O1 2017 09 26.35 S 10.0:AC 20.0B10 50 1/ ICQ XX AGUaa Salvador Aguirre, Son, Mex.; Comp. Stars= 97/100. Light Pollution Filter: Yes. Averted Vision: Yes.
2017O1 2017 09 25.91 S 9.2 TT 5.0B 10 &10 3 ICQ XX GUZ Piotr Guzik
2017O1 2017 09 25.69 S 9.5 TJ 40.0L 4 36 8 2 ICQ XX YOS04 Seiichi Yoshida
2017O1 2017 09 25.28 C 8.8 AQ 10.6R 5a360 21 0.19 244 LEHaa Thomas Lehmann
2017O1 2017 09 25.01 S 8.3 TK 5.0B 10 10 3 ICQ XX GON05 Juan Jose Gonzalez Suarez
2017O1 2017 09 25.00 S 8.5 TK 10.0B 25 9 2/ ICQ XX GON05 Juan Jose Gonzalez Suarez
2017O1 2017 09 24.70 xC 10.2 HV 15.0L 3a150 4.2 6 5.8m250 ICQ XX HAR10N a 3S 4.2 mCDS CFC MK1 5 6* 8.4 7.1s 7.1 Ken Harikae; GUIDE 9.0 software used for comp. star mag. B-V of comp. star was +0.388.
2017O1 2017 09 24.39 I[ 9.7 AC 20.0T10 50 ICQ XX AGUaa Salvador Aguirre, Sonora, Mex.; Comp. Stars= 84/97. Light Pollution Filter= +.
2017O1 2017 09 23.93 S 9.7 TK 20.0L 4 42 & 5 1 ICQ XX SCH04 Alex Scholten, Eerbeek; NELM: 5.7, Reference stars: TYC 1827-01045 (93), TYC 1823-01821 (99), faint diffuse comet
2017O1 2017 09 23.14 C 7.7 NO 43.0C 7a 50 6.3 6 ICQ XX PAUaaI C dFL6 CAC CMP 0 P3 27.0d27.0 Nirmal Paul, Canary Island, Teide G40; Data generated using Astrometrica and Comphot Software. Later to produce visual equivalent magnitude.
2017O1 2017 09 23.12 S 10.4 TK 25.0L 5 60 3.2 4 0.09 KUT Walter Kutschera
2017O1 2017 09 23.10 S 8.8 TI 25.2L 4 63 5.5 3 ICQ XX HAR11 Christian Harder, Jeersdorf, Germany ; Swanfilter wirkte, Durchmesser 8.5`
2017O1 2017 09 22.98 S 8.5 TK 32.0L 5 48 15 2 PIL01 Uwe Pilz
2017O1 2017 09 22.94 S 9.6 U4 30.5L 5 64 7 2 ICQ XX BUIaa Gideon van Buitenen, Dordrecht, Netherlands
2017O1 2017 09 22.43 C 9.5 TK 10.6R 5a300 11.9 ICQ XX RAMaa C sSTL KA1 A32 5 U3 3.5s 3.5 Raymond Ramlow; inner 5 arcminutes = 9.9 mag
2017O1 2017 09 22.08 S 9.8 TK 25.4T10 96 4.9 3/ ICQ XX COLac Mike Collins, Everton
2017O1 2017 09 22.00 S 9.0 TK 23.5T10 112 15 2 SCHaa Gerhard Scheerle
2017O1 2017 09 21.86 S 9.6 TK 5.0B 18 8 1 ICQ XX KAR02 Timo Karhula, Virsbo, Sweden; Ground fog
2017O1 2017 09 21.73 xM 9.5 TK 25.0L 5 39 11.4 3/ ICQ XX WYA Christopher Wyatt
2017O1 2017 09 21.39 S 10.4:AC 20.0T10 50 1/ ICQ XX AGUaa Salvador Aguirre, Son, Mex.; Comp. Stars= 94/104. Light Pollution Filter: +.
2017O1 2017 09 20.40 M 9.2 TK 12.5B 30 6 2 ICQ xx HER02 Carl Hergenrother
2017O1 2017 09 20.39 S 10.3:AC 20.0T10 40 & 2 1/ ICQ XX AGUaa Salvador Aguirre, Sonora, Mex.; Comp. Stars: 91/103 Light Pollution Filter: +.
2017O1 2017 09 20.04 B 9.0 TK 20.0Y 8 64 7 2 ICQ XX LAB02 Carlos Labordena, La Llacua
2017O1 2017 09 20.02 S 10.1 TK 25.4T10 96 3.5 3 ICQ XX COLac Mike Collins, Everton
2017O1 2017 09 19.10 S 9.2 TT 18.5L 5 73 4 2 ICQ XX KWI Maciej Kwinta, Krakow
2017O1 2017 09 19.09 C 9.1 AQ 6.8A 2B760 20 0.1 248 LEHaa Thomas Lehmann
2017O1 2017 09 18.93 S 9.2 TT 18.5L 5 73 4 2 ICQ XX KWI Maciej Kwinta, Krakow
2017O1 2017 09 18.90 S[ 8.9 TK 7.0B 15 ! 3 ICQ XX PAR03 Mieczyslaw Leszek Paradowski, Smugi, Poland
2017O1 2017 09 18.87 S 11.5:TK 15.2L 7 50 9 GEIaa Alexander Geiss
2017O1 2017 09 18.70 xC 10.4 HV 15.0L 3a 50 4.1 6 5.6m225 ICQ XX HAR10N a 4S 4.1 mCDS CFC MK1 5 2* 8.9 7.1s 7.1 Ken Harikae; GUIDE 9.0 software used for comp. star mag. B-V of comp. star was +0.475.
2017O1 2017 09 18.39 I[ 8.8 AC 20.0T10 50 ICQ XX AGUaa Salvador Aguirre, Sonora, Mex.; Comp. Stars= 79/88. Light Pollution Filter: +.
2017O1 2017 09 18.38 S 9.0 TK 12.5B 30 5 1 ICQ xx HER02 Carl Hergenrother
2017O1 2017 09 18.00 M 10.2 TK 35.5L 4 61 10.5 4 ICQ XX CER01 Jakub Cerny; Comet Alt.:42.24 AS:2.0,4.0,-2.0 Star mags:10.478,10.574,9.885 ,,
2017O1 2017 09 17.45 C 8.7 TK 10.6R 5a300 >11 ICQ XX RAMaa C sSTL KA1 5 U3 3.5s 3.5 Raymond Ramlow
2017O1 2017 09 17.39 I[ 9.5 AC 20.0T10 50 ICQ XX AGUaa Salvador Aguirre, Sonora, Mex.; Com. Stars= 95/87. SkyGlow Filter=+.
2017O1 2017 09 17.34 V 10.5 AQ 30.0T 6A140 2.7 ICQ XX MAS01I C 2.7 mG2x K6M KPR 5 U9* 0.1 0.9s 0.9 Martin Masek; Comet Alt.:31.5 Calculated mags:10.5,10.3,10.5
2017O1 2017 09 17.33 k 11.6 AQ 30.0T 6A200 1.5 1.8m241 ICQ XX MAS01I C 1.5 mG2x K6M KPR 5 U9* 0.1 0.9s 0.9 Martin Masek; Comet Alt.:31.5 Calculated mags:11.7,11.5,11.5,11.6,11.5
2017O1 2017 09 17.09 B 8.7 TK 8.0B 11 7 2 ICQ XX LAB02 Carlos Labordena, Castellfort
2017O1 2017 09 17.08 B 8.9 TK 15.0L 5 30 7 3 ICQ XX LAB02 Carlos Labordena, Castellfort
2017O1 2017 09 17.02 S 9.4 TI 30.3L 5 100 5 2 ICQ XX HAR11 Christian Harder, Jeersdorf, Germany
2017O1 2017 09 16.46 C 8.9 AQ 10.6R 5a720 24 0.07 246 LEHaa Thomas Lehmann
2017O1 2017 09 16.23 C 11.3 MC 50.0L 3a 60 5.6 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
2017O1 2017 09 16.12 S 10.7 TK 25.0L 5 60 3.8 4 KUT Walter Kutschera
2017O1 2017 09 16.01 S 8.2 TK 5.0B 10 9 3 ICQ XX GON05 Juan Jose Gonzalez Suarez
2017O1 2017 09 16.00 S 8.3 TK 10.0B 25 9 2/ ICQ XX GON05 Juan Jose Gonzalez Suarez
2017O1 2017 09 15.94 S 9.6 TI 30.3L 5 84 5 3 ICQ XX HAR11 Christian Harder, Reinsehlen, Germany; Swanfilter wirkte, Durchm. 8`
2017O1 2017 09 15.21 S 9.3 TK 22.0L 6 60 5 3/ ICQ XX GOI Marco Goiato
2017O1 2017 09 15.10 S 9.3 TT 18.5L 5 73 3 2 ICQ XX KWI Maciej Kwinta, Krakow
2017O1 2017 09 15.08 S 9.7 TK 25.4T10 96 3.9 2 ICQ XX COLac Mike Collins, Everton
2017O1 2017 09 15.07 Z 10.7 U4 28.0T10A306 5.26 ICQ XX JAMaaI C 5.26mFL9 K6F CMP 5 7* 1.4s 1.4 Nick James
2017O1 2017 09 13.18 C 9.3 NO 43.0C 7a 50 2 6 ICQ XX PAUaaI C dFL6 CMP 0 P3 18.0d18.0 Nirmal Paul, Canary Island, Teide G40; Data generated using Astrometrica and Comphot Software. Later to produce visual equivalent magnitude.
2017O1 2017 09 05.10 C 9.4 AQ 7.5A 4E040 16 0.1 248 LEHaa Thomas Lehmann
2017O1 2017 09 04.46 C 9.4 U4 10.6R 5a300 9.5 ICQ XX RAMaa C sSTL KA1 5 U3 0.1 3.5s 3.5 Raymond Ramlow; extension in PA ~250
2017O1 2017 09 04.17 C 9.2 NO 50.0C 7a 60 2.3 6 ICQ XX PAUaaI C dFL9 CAC CMP 0 P3 36.0d36.0 Nirmal Paul, Canary Island, Teide G40; Data generated using Astrometrica and Comphot Software. Later to produce visual equivalent magnitude.
2017O1 2017 09 03.18 S 11.1 TK 51.0L 5 80 5 4 KUT Walter Kutschera
2017O1 2017 09 03.06 S 9.4 TI 25.2L 4 76 5.1 2/ ICQ XX HAR11 Christian Harder, Jeersdorf, Germany ; NELM: 5.5, Swanfilter wirkte
2017O1 2017 09 02.69 xC 10.8 HV 15.0L 3a100 2.6 6 3.0m224 ICQ XX HAR10N a 3S 2.6 mCDS CFC MK1 5 4* 8.6 7.1s 7.1 Ken Harikae; GUIDE 9.0 software used for comp. star mag. B-V of comp. star was +0.660.
2017O1 2017 09 02.45 C 9.4 TK 10.6R 5a300 9 ICQ XX RAMaa C sSTL KA1 5 U3 3.5s 3.5 Raymond Ramlow; faint extension in PA ~250
2017O1 2017 09 02.15 B 9.3 TK 20.0T10 50 5 3 ICQ XX LAB02 Carlos Labordena, La Serra
2017O1 2017 09 02.13 S 10.4 TK 25.4T10 96 3.4 3 ICQ XX COLac Mike Collins, Everton
2017O1 2017 09 02.05 S 9.9 TI 25.2L 4 88 4.5 2/ ICQ XX HAR11 Christian Harder, Rindby/DK; Swanfilter wirkte
2017O1 2017 09 01.75 xM 10.0 TK 25.0L 5 39 6.4 3/ ICQ XX WYA Christopher Wyatt
2017O1 2017 09 01.09 S 8.6 TK 10.0B 25 8 3 ICQ XX GON05 Juan Jose Gonzalez Suarez
2017O1 2017 09 01.08 S 9.1 TK 20.3T10 77 6 3/ ICQ XX GON05 Juan Jose Gonzalez Suarez
2017O1 2017 09 01.06 S 9.9 TK 25.4T10 96 2.9 3 ICQ XX COLac Mike Collins, Everton
2017O1 2017 09 01.06 S 9.9 TT 18.5L 5 73 2.5 3 ICQ XX KWI Maciej Kwinta, Krakow
2017O1 2017 09 01.05 S 9.8 TI 25.2L 4 88 4.5 3 ICQ XX HAR11 Christian Harder, Rindby/DK
2017O1 2017 09 01.03 S 8.8 TT 5.0B 10 &12 3 ICQ XX GUZ Piotr Guzik
2017O1 2017 08 31.80 xS 9.9 TK 10.0B 26 6 3 ICQ XX YOS02 Katsumi Yoshimoto; GUIDE 9.0 software used for comp. star mags.
2017O1 2017 08 31.46 C 9.3 AQ 10.6R 5a600 21 0.08 249 LEHaa Thomas Lehmann
2017O1 2017 08 31.43 S 9.5 TK 12.5B 30 5 4 ICQ xx HER02 Carl Hergenrother
2017O1 2017 08 31.40 C 9.6 TK 15.0R 7a300 > 6.2 ICQ XX RAMaa C sA16 CAC A32 5 U3 1.5s 1.5 Raymond Ramlow
2017O1 2017 08 31.13 S 10.4 TK 25.4T10 96 3 3 ICQ XX COLac Mike Collins, Everton
2017O1 2017 08 31.06 S 9.9 TT 18.5L 5 73 2.5 2 ICQ XX KWI Maciej Kwinta, Krakow
2017O1 2017 08 30.71 xM 9.9 TK 25.0L 5 39 5.8 4 ICQ XX WYA Christopher Wyatt
2017O1 2017 08 30.43 S 10.1 AC 20.0T10 50 & 2.6 1/ ICQ XX AGUaa Salvador Aguirre, Sonora, Mex.; Comp. Stars (AAVSO): 87/101. Skyglow Light Pollution Filter.
2017O1 2017 08 30.09 S 9.1 TK 6.8R 6 24 5 3 ICQ XX PAR03 Mieczyslaw Leszek Paradowski, Dąbrowa, Poland; comet alt. +43deg; dawn
2017O1 2017 08 30.05 S 9.9 TT 18.5L 5 73 3 2 ICQ XX KWI Maciej Kwinta, Krakow
2017O1 2017 08 30.04 M 9.4 TT 10.0B 4 25 5 3 ICQ XX LEH Martin Lehký
2017O1 2017 08 30.04 B 9.5 HI 10.0B 42 4 2 ICQ XX BUEaa Michael Buechner, Freising
2017O1 2017 08 30.02 M 10.2 TK 35.5L 4 61 7.1 4 ICQ XX CER01 Jakub Cerny; Comet Alt.:35.49 AS:2.0,3.0,1.0,-3.0,-1.0 Star mags:10.27,10.562,10.543,9.943,10.087 ,,,,
2017O1 2017 08 30.02 S 9.2 TK 23.5T10 112 9 2 SCHaa Gerhard Scheerle
2017O1 2017 08 30.00 S 9.6 TT 5.0B 10 6 2 ICQ XX GUZ Piotr Guzik
2017O1 2017 08 29.44 I[10.1 AC 20.0T10 50 ICQ XX AGUaa Salvador Aguirre, Sonora, Mex.; Comp. Stars AAVSO: 101/87
2017O1 2017 08 29.14 S 9.4 TK 6.3B 9 6 3 SCHaa Gerhard Scheerle
2017O1 2017 08 29.08 M 9.5 TT 10.0B 4 25 5 3 ICQ XX LEH Martin Lehký
2017O1 2017 08 29.07 S 9.9 TK 25.4T10 96 3.4 2 ICQ XX COLac Mike Collins, Everton
2017O1 2017 08 29.06 S 9.8 TT 18.5L 5 73 3.5 2 ICQ XX KWI Maciej Kwinta, Krakow
2017O1 2017 08 29.06 S 9.4 TI 25.2L 4 88 4 2 ICQ XX HAR11 Christian Harder, Rindby/DK; Swanfilter wirkte
2017O1 2017 08 29.03 S 9.7 GB 38.0L 4 63 5 3 ICQ XX WAR01 Johan Warell, Lindby Observatory (K60), Skurup, Sweden ; NELM: 6.8, Reference stars: HD 22539 (9.2V), HD 22467 (9.9V), Round, somewhat condensed coma with very diffuse edges, large
2017O1 2017 08 28.99 M 10.5 TK 35.5L 4 61 7.7 3/ ICQ XX CER01 Jakub Cerny; Comet Alt.:21.61 AS:3.0,1.0,0.0,-1.0,-3.0 Star mags:10.99,10.676,10.579,10.539,9.712 TYC 70-1208-1,TYC 70-1297-1,TYC 70-1329-1,TYC 70-1244-1,TYC 70-1252-1
2017O1 2017 08 28.12 C 9.7 TK 7.5A 4A200 14 LEHaa Thomas Lehmann
2017O1 2017 08 28.09 C 11.1 MC 50.0L 3a 60 3.2 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
2017O1 2017 08 28.08 S 9.5 TK 25.4T10 96 4.2 2 ICQ XX COLac Mike Collins, Everton
2017O1 2017 08 28.03 S 9.9 TI 25.2L 4 88 5 3 ICQ XX HAR11 Christian Harder, Rindby/DK; NELM: 5.8, Swanfilter wirkte
2017O1 2017 08 27.98 S 10.5:GB 10.0B 20 2 3 ICQ XX WAR01 Johan Warell, Lindby Observatory (K60), Skurup, Sweden ; NELM: 6.7, Reference stars: SAO 111282 (10.4V), TYC 0070-0612-1 (11.4V), Round, marginally brighter center.
2017O1 2017 08 27.07 S 9.8 TI 25.2L 4 88 3.5 2/ ICQ XX HAR11 Christian Harder, Rindby/DK
2017O1 2017 08 27.05 S 9.8 TK 10.0B 25 4 2 ICQ XX KAR02 Timo Karhula, Virsbo, Sweden; A magnitude 10.1 star inside the coma.
2017O1 2017 08 26.16 C 9.0 NO 50.0C 7a 60 3.2 6 ICQ XX PAUaaI C dFL9 CAC CMP 0 P3 36.0d36.0 Nirmal Paul, Canary Island, Teide G40; Data generated using Astrometrica and Comphot Software. Later to produce visual equivalent magnitude.
2017O1 2017 08 25.45 S 9.8 TK 12.5B 30 3 5 ICQ xx HER02 Carl Hergenrother
2017O1 2017 08 25.15 S 8.7 TK 10.0B 25 8 3 ICQ XX GON05 Juan Jose Gonzalez Suarez
2017O1 2017 08 25.14 S 9.0 TK 20.3T10 77 6 3 ICQ XX GON05 Juan Jose Gonzalez Suarez
2017O1 2017 08 25.08 S 9.6 TI 25.2L 4 88 4.5 2/ ICQ XX HAR11 Christian Harder, Rindby/DK
2017O1 2017 08 25.05 S 9.9 TT 18.5L 5 73 2.5 2/ ICQ XX KWI Maciej Kwinta, Krakow
2017O1 2017 08 24.13 S 9.4 TK 6.3B 9 7 3 SCHaa Gerhard Scheerle
2017O1 2017 08 24.11 S 10.5 TK 25.4T10 96 4.1 2 ICQ XX COLac Mike Collins, Everton
2017O1 2017 08 24.05 S 10.0 TT 18.5L 5 73 3 2/ ICQ XX KWI Maciej Kwinta, Krakow
2017O1 2017 08 23.06 S 10.3 TI 25.2L 4 103 3.5 2/ ICQ XX HAR11 Christian Harder, Rindby/DK
2017O1 2017 08 22.78 C 10.3 AQ 51.0L 4a360 8.2 8.0m250 ICQ XX YOS02I a 5C 8.2 mFL6 K6F SI6 5 11.5 1.6s 1.6 Katsumi Yoshimoto; B-V of comp. stars were +0.58,+0.72 and +0.78.
2017O1 2017 08 22.21 S 9.9 TK 22.0L 6 60 4 4 ICQ XX GOI Marco Goiato
2017O1 2017 08 22.07 V 9.6 U4 5.0A 4a 60 5.4 ICQ XX PAR03I C mCKD CAC MIm 5 U9 0.1 5.4s 5.4 Mieczyslaw Leszek Paradowski, Dąbrowa, Poland; Software: IRIS; comet alt. +34deg; dawn; IT=900s
2017O1 2017 08 22.01 S 10.1 TT 18.5L 5 73 2.5 2/ ICQ XX KWI Maciej Kwinta, Krakow
2017O1 2017 08 21.99 S 9.0 TT 5.0B 10 8 2 ICQ XX GUZ Piotr Guzik
2017O1 2017 08 21.97 S 9.4 TT 32.6L 5 67 4 4 ICQ XX GUZ Piotr Guzik
2017O1 2017 08 21.11 S 8.8 TK 10.0B 25 7 3 ICQ XX GON05 Juan Jose Gonzalez Suarez
2017O1 2017 08 21.10 S 9.0 TK 20.3T10 77 6 3/ ICQ XX GON05 Juan Jose Gonzalez Suarez
2017O1 2017 08 21.09 C 10.6 MC 50.0L 3a 60 1.6 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
2017O1 2017 08 19.72 xM 9.5 TK 25.0L 5 39 6 4 ICQ XX WYA Christopher Wyatt
2017O1 2017 08 19.10 S 10.4 TK 25.4T10 96 4.5 3 ICQ XX COLac Mike Collins, Everton
2017O1 2017 08 19.10 C 10.3 MC 50.0L 3a 60 4 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
2017O1 2017 08 19.05 S 9.5 TI 25.2L 4 76 5 2 ICQ XX HAR11 Christian Harder, Jeersdorf, Germany ; NELM: 5.7, Swanfilter wirkte Höhe 22°
2017O1 2017 08 19.03 M 9.3 TK 35.5L 4 61 7 4 ICQ XX CER01 Jakub Cerny; Comet Alt.:21.18 AS:-3.5,4.0,3.0,1.0 Star mags:8.486,10.364,10.095,9.371 ,,,
2017O1 2017 08 19.02 S 10.4 TT 40.0L 5 138 3.5 2/ ICQ XX KWI Maciej Kwinta, mount Lubomir
2017O1 2017 08 19.01 S 10.4 U4 60.0L 4 78 4 3 ICQ XX SZA Sandor Szabo, Tarjan
2017O1 2017 08 18.00 S 11.0 U4 60.0L 4 185 2.5 5 ICQ XX SZA Sandor Szabo, Tarjan
2017O1 2017 08 17.67 xM 9.9 TK 25.0L 5 39 5.5 3/ ICQ XX WYA Christopher Wyatt
2017O1 2017 08 17.03 S 9.1 TK 20.3T10 77 5 3/ ICQ XX GON05 Juan Jose Gonzalez Suarez
2017O1 2017 08 16.98 S 9.5 TT 10.0B 25 6 3 ICQ XX GUZ Piotr Guzik
2017O1 2017 08 16.01 S 10.0 TT 18.5L 5 73 2 2 ICQ XX KWI Maciej Kwinta, mount Lubomir
2017O1 2017 08 12.69 V 11.3 U4 51.0Y 7a120 4.4 ICQ xx HER02I C 4.4 mA16 E2V IRA 5 U3 1.1s 1.1 Carl Hergenrother
2017O1 2017 08 05.45 S 9.8 TK 12.5B 30 4 2 ICQ xx HER02 Carl Hergenrother
2017O1 2017 08 04.13 C 10.6 MC 50.0L 3a 60 2.3 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
2017O1 2017 08 03.43 C 9.6 TK 10.6R 5a600 18 LEHaa Thomas Lehmann
2017O1 2017 08 03.06 S 10.0 TT 18.5L 5 73 4 2 ICQ XX KWI Maciej Kwinta, Krakow
2017O1 2017 08 02.04 S 10.2 TT 10.0B 25 5 3 ICQ XX GUZ Piotr Guzik
2017O1 2017 08 01.81 aH 11.5 HV 20.3Y 8a240 0.8 0.9m240 ICQ XX YOS02 2a 5C 4.3 mST9 K26 SI6 5 11.4 2.5s 2.5 Katsumi Yoshimoto
2017O1 2017 08 01.81 S 9.7 TK 8.0R 4 36 10 2 ICQ XX CAM03 Paul Camilleri
2017O1 2017 08 01.80 aV 10.7 HV 20.3Y 8a240 4.3 0.9m240 ICQ XX YOS02 2a 5C 4.3 mST9 K26 SI6 5 12.2 2.5s 2.5 Katsumi Yoshimoto
2017O1 2017 08 01.79 aC 11.4 HV 20.3Y 8a600 4.3 0.9m240 ICQ XX YOS02 2a 2C 4.3 mST9 K26 SI6 5 12.2 2.5s 2.5 Katsumi Yoshimoto; GUIDE 9.0 software used for comp. star mags. V-I of comp. star was +0.58.
2017O1 2017 08 01.74 xM 9.8 TK 25.0L 5 39 7.5 5/ ICQ XX WYA Christopher Wyatt
2017O1 2017 08 01.23 S 10.1 TK 22.0L 6 60 4 3 ICQ XX GOI Marco Goiato
2017O1 2017 08 01.10 S 10.0 HS 44.0L 5 100 1.7 3 ICQXXX HAS02 Werner Hasubick
2017O1 2017 08 01.06 S 10.3 TT 10.0B 4 25 5 3 ICQ XX LEH Martin Lehký
2017O1 2017 07 31.83 S 9.8 TT 10.0B 25 6 2 ICQ XX MAT08 Michael Mattiazzo, Swan Hill, Victoria, Australia
2017O1 2017 07 31.81 C 9.5 TK 10.6R 5a480 18 LEHaa Thomas Lehmann
2017O1 2017 07 30.80 S 10.4 AQ 40.6L 4 76 6 3 ICQ XX CAM03 Paul Camilleri
2017O1 2017 07 30.12 B 10.1 TK 20.0T10 50 11 2 ICQ XX LAB02 Carlos Labordena, La Llacua
2017O1 2017 07 30.06 S 10.4:TK 7.0B 6 16 5 2/ PIL01 Uwe Pilz
2017O1 2017 07 28.77 Z 10.6 U4 43.0Y 6a828 8 ICQ XX JAMaaI C 8 mFL9 K6F CMP 5 7* 1.3s 1.3 Nick James
2017O1 2017 07 27.81 C 9.6 TK 10.6R 5a240 19 LEHaa Thomas Lehmann
2017O1 2017 07 27.79 S 11.0 AQ 40.6L 4 76 5 1 ICQ XX CAM03 Paul Camilleri
2017O1 2017 07 27.23 C 11.8 MC 50.0L 3a 60 3.6 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
2017O1 2017 07 26.83 S 10.2 TK 8.0B 20 6 1 ICQ XX CAM03 Paul Camilleri
2017O1 2017 07 26.76 Z 10.9 U4 43.0T 6a680 6.58 ICQ XX JAMaaI C 6.58sFL9 K6F CMP 5 7* 1.3s 1.3 Nick James
2017O1 2017 07 25.83 S 10.6 TT 10.0B 25 5 2 ICQ XX MAT08 Michael Mattiazzo, Swan Hill, Victoria, Australia
2017O1 2017 07 25.77 xS 9.9 TK 25.0L 5 39 9.6 3 ICQ XX WYA Christopher Wyatt
2017O1 2017 07 25.76 Z 10.9 U4 28.0T10A200 6.4 ICQ XX JAMaaI C 6.4 mFL9 K6F CMP 5 7* 1.4s 1.4 Nick James, Nick James, Chelmsford
2017O1 2017 07 25.36 S 10.3 TK 18.0L 8 57 2 3 ICQ XX AMO01 Alexandre Amorim
2017O1 2017 07 24.83 S 10.5 TT 4.0B 25 5 2 ICQ XX MAT08 Michael Mattiazzo, Swan Hill, Victoria, Australia
2017O1 2017 07 24.80 S 10.8 AQ 40.6L 4 76 5 2 ICQ XX CAM03 Paul Camilleri, Katherine - Northern Territory - Australia
2017O1 2017 07 24.78 C 9.7 TK 10.6R 5a600 20 LEHaa Thomas Lehmann
2017O1 2017 07 24.76 C 12.0 MC 43.0Y 7a120 4 ICQ XX BUIaa C dFL4 E2V KPH 0 U2 d Gideon van Buitenen, Siding Spring, MPC Q62
2017O1 2017 07 24.75 xS 10.0 TK 25.0L 5 39 7 3 ICQ XX WYA Christopher Wyatt
2017O1 2017 07 24.36 S 10.8:AU 18.0L 8 57 2 3 ICQ XX AMO01 Alexandre Amorim
2017O1 2017 07 23.82 xC 11.5 TJ 51.0L 4a180 4.6 ICQ XX YOS02I a 5C 4.6 mFL6 K6F SI6 5 11.5 1.6s 1.6 Katsumi Yoshimoto; GUIDE 9.0 software used for comp. star mags. B-V of comp. stars were +0.47,+0.56 and +0.87.
2017O1 2017 07 23.13 S 9.8 TK 20.3T10 77 5 2/ ICQ XX GON05 Juan Jose Gonzalez Suarez
2017O1 2017 07 22.80 S 11.0 AQ 40.6L 4 76 4 2 ICQ XX CAM03 Paul Camilleri, Katherine - Northern Territory - Australia
2017O1 2017 07 21.83 C 11.6 AQ 51.0L 4a360 4.4 ICQ XX YOS02I a 5C 4.4 mFL6 K6F SI6 5 11.9 1.6s 1.6 Katsumi Yoshimoto; B-V of comp. stars were +0.49,+0.50 and +0.64.
2017O1 2017 07 21.19 C 11.9 MC 50.0L 3a 60 4.2 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