Table of Comets Observed by ASO

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Each item may contain more than one observation in the database.  The entry shown is for the 
LAST observation of that comet only.  
To see all observations for a specific comet, click on the designation.

DESIGNATIONDATE LAST OBSERVED M1 Diam DC PA
c2011 F1 (LINEAR)04-30-201212.0 m231"6/9222-288
c2009 P1 (Garrard)04-24-201210.8 m2230 + 88"5/933 to 105
29P Schwassmann-Wachmann04-24-201215.623"8/9irreg
49P (Arend-Rigaux)04-24-201217.5<6"9/9stellar
c2012 A2 (LINEAR)04-22-201217.2107/9no tail
c2012 CH17 (Moss)04-22-201218.312"3/9round
246P NEAT03-5-201215.417"7/9287
164P (Christensen)03-1-201217.78"8/9237d
p2012 B1 (PANSTARRS)02-26-201218.98"7/9round
c2011 G1 (McNaught)02-25-201219.3~6"3/9round
244P Scotti02-20-201217.8 m28.2"3/9round
p2011 W2 (Rinner)01-29-201217.4 m212"4/9round
65P - Gunn01-24-201219.2starlike9/9stellar
78P (Gehrels)01-24-201213.163"023-69 fan
c2010 G2 (Hill)01-20-201212.694"5/949d
p2011 Y1 (Levy)01-20-201219.1~11"2/9diffuse, irr
242P (Spahr)01-20-201217.76"8/9none, stella
c2008 FK75 (Lemmon-Siding Spring)01-15-201218.3 m27"3/9round
213P (Van Ness)01-15-201218.48"2/9round
c2010 S1 (LINEAR)01-15-201216.411"7/957deg
p2011 UA134 (PANSTARRS)11-30-201118.9~5"8/9stellar
123P West-Hartley11-12-201118.76"9/9n/a
c2011R3 (Novichonok-Gerke)10-22-201118.36"9/9269 deg
p2011 R2 (PANSTARRS)09-26-201117.39"8/9round
c2011 L3 (McNaught)09-1-201117.5 m2~5"7/9132
45P (Honda-Mrkos-Pajdusakova)08-6-201114.206/9124d
c2009 Y1 (Catalina)08-6-201115.421"5/9325 d
c2006 S3 (LONEOS)07-6-201116.1 m211"6/9fanned NE
c2011 A3 (Gibbs)06-20-201115.613.6"8.9round
115P Maury06-10-201117.36"8/9stellar
c2009 UG89 (Lemmon)06-7-201117.57"8/9elong
c2010 X1 (Elenin)06-1-201116.3 m212"7/9117 d
c2009 F2 (McNaught)04-6-201119.55"6/9n/a
c2009 U5 (Grauer)04-2-201119.5<4"7/9n/a
103P (Hartley)03-23-201116.5*13"4/944.6
p2010 WK (LINEAR)03-20-201118.3~5"7/9stellar
240P (NEAT)03-20-201118.8*26"2/9round, irrg.
c2007 VO53 Spacewatch03-3-201119.4<5"9/9n/a
c2011 A2 (Scotti)03-3-201119.47"3/9round
p2011 A1 (Larson)03-2-201119.34"9/9n/a
247P (LINEAR)03-1-201117.86"8/9round
c2005 L3 (McNaught)01-30-201117.211"7/9211 fanned
31P (Schwassmann-Wachmann 2)01-29-201118.77"7/9stellar
P/2004 F3 (NEAT)01-28-201118.7 *5"8/9stellar
233P (Skiff)01-27-201119.6<4"9/9stellar
10P (Tempel 2)01-27-201118.6*45" irreg2/935
p2002 VP94 (LINEAR)01-3-201116.210"8/9SW
c2010 B1 (Cardinal)01-3-201115.8*25"7/915
c/2009 K5 (McNaught)12-3-201016.0*8"8/915
p2009 K5 (McNaught)11-27-201016.6*20"7/920d
244P (NEAT)11-27-201016.5*10"6/9255
p2010 U2 (Hill)11-11-201018.4*8"7/9irreg.
c2008 S3 (Boattini)11-5-201018.3*08"5/9round
p2010 R2 (LaSagra)10-31-201018.8*6.6"7/9114?
244P (Scotti)10-31-201019.65"8/9n/a
237P (LINEAR)08-17-201019.8<5"8/9n/a
c2009 P2 (Boattini)08-12-201018.8<5"7/9round
c2010 J2 (McNaught)07-15-201017.09"7/9round
c2006 Q1 (McNaught)07-15-201018.9*7"4/9round
P/2010 J3 (McMillan)06-16-201017.1*11"8/9stellar
c2010 J1 (Boattini)06-16-201018.3*8"7/9round
81P Wild 206-16-201013.882"6/9unknown
P/2010 (Vales)06-7-201017.2 m220"5/9round
c2007 Q3 (Siding Spring)06-7-201016.1 (*)27"6/9223*
c2009 U3 (Hill)06-7-201019.6 m233"2/9round
p2010 A5 (LINEAR)05-8-201016.113"7/9299
P/2010 H2 (Vales)05-8-201015.3 (*)112"7/9elong
74P - Smirnova-Chernykh05-8-201016.1 (*)19"8/9295
c2008 N1 (Holmes)05-5-201017 (*)9.7"6/9125?
p2010 E2 (Jarnac)04-21-201019.1~58/90
c2010 F1 (Boattini)04-21-201019.2*6"4/9~80
94P Russell04-14-2010~15.8*11"6/9125
c2010 G1 (Boattini)04-12-201015.7 (16.1m12"6/90
c2010 A3 (Hill)04-12-201016.015"5/90
118P Shoemaker-Levy04-12-201017.1 (m2)155/9102
c2006 OF2 (Broughton)04-12-201019.1 (m1)10"00
c2008 E1 (Catalina)04-11-201019.2<5.0"9/90
30P Reinmuth 104-8-201016,89"6/942 (?)
cP/2006 M3 (Barnard 177P)07-19-200613.443"6/960
73P/Schwassmann-Wachmann-C05-9-20067.31.5 x 2.0'5/9230
73P/Schwassmann-Wachmann-B05-9-20066.93.5' x 3.1'8/9233
73P/Schwassmann-Wachmann-R04-28-200614.217"4/9212
73P/Schwassmann-Wachmann-G04-28-200616.2 (*)103/9211
73P/Schwassmann-Wachmann-AQ04-27-2006unknown000
73P/Schwassmann-Wachmann-N04-7-200617.907"3/9n/a
C/2006 CK10 (Catalina)04-3-200617.5 *8"5/9n/a
P/2005 XA54 (Loneos-Hill)03-29-200615.9 *14"7/9n/a
C/2004 K1 (Catalina)03-29-200617.6*3/98.2"round
60558 (2000 EC98)01-25-200616.5 (*)22"2/935
C/2003 K4 (LINEAR)01-25-200616.1 (*)15"3/0254
P/101 Chernykh01-25-200616.7 (?)12"3/9n/a
60P Tsuchinshan01-24-200617.29"4/9n/a
C/2005 N5 (Catalina)9-30-200517.07"8/9none
P/2005 R2 (Van Ness)9-30-200514.4 (*)17.2"6/9210
C/2005 A1 (LINEAR)8-8-200513.1 (*)16"7/9215
C/2001 HT50 (LINEAR-NEAT)8-8-200518.1 (m2)7"3/9n/a
9P Tempel 17-5-200510.1 (*)49"6/9113
P/2005 JQ5 (Catalina)6-11-200515.1 (*)12"5/9n/a
C/2005 K1 (Skiff)6-9-200516.0 (*)12" x 9"6/9N-S?
P/2005 L1 (McNaught)6-8-2005*17.46-7"7/9none
P/2005 JY126 (Catalina)6-8-200517.7 (*)7"5/9none
C/2005 B1 (Christensen)5-18-200516.8 (*)8"7/9round
C/2004 RG113 (LINEAR)1-24-200516.9 (*)9"7/9none
2003 WT 421-24-200516.1 (*)10"4/9round
C/2004 U1 (LINEAR)12-21-200414.7 (*)17"7/9216
C/2003 T3 (Tabur)12-20-200416.7 (*)13"x8"2/9elongated
C/2004 Q2 (Machholz)11-28-2004see detailsbelowbelowbelow
P/2004 T1 (LINEAR-NEAT)10-20-200414.826"5/9possible 282
88P - Howell8-26-200416.511"7/9none
P/2004 HC18 (LINEAR)5-19-200417.8 (m2)7"6/9n/a
40P Vaisala5-16-200414.722"4/9295
C/2001 Q4 (NEAT)5-6-2004PHOTO
C/2001 K5 (LINEAR)4-28-200416.38"7/9~180
117P Helin-Roman-Alu4-14-200416.98"5/9n/a
P/2004 CB (LINEAR)4-4-200415.513"5/9~275
C/2003 H1 (LINEAR)2-27-200412.2 (*)38"~6/9unknown
P/2003 WC7 (LINEAR-Catalina)2-22-200417.610"4/9none
C/2003 V1 (LINEAR)1-31-200416.9~10"4/9none
C/2003 T2 (LINEAR)1-26-200417.68"5/9none
P/2004 A11-23-200418.08"8/9none
43P Wolf-Harrington1-22-200412.524"4/9fan, NE
P/2002 T5 (LINEAR)1-20-200416.310"5/9219
P/2002 LZ11 (LINEAR)1-12-200418.09"3/9none
C/2002 T7 (LINEAR)12-25-20038.4 (*)70"7/972
C/2003 T4 (LINEAR)12-17-200317.3 (*)~8"7/9n/a
C/2003 L2 (LINEAR)11-29-200316.19"4/9none
157P - Tritton11-28-200316.4 (m2)11"4/9n/a
P/2003 O2 (LINEAR) *11-28-200318.4<8"8/9none
36P Whipple11-28-200317.210"4/9none
C/2002 CE10 (LINEAR)11-22-200317.18"7/9none
1627 (Ivar) MP11-21-200314.0 (R)
2938 (Hopi) MP11-21-200315.2
2003 VG1 (NEO)11-21-200317.8 (R)
2003 WG (NEO)11-21-200317.3-17.6
4055 (Magellan) MP11-21-200316.7 (R)
C/2002 R3 (LONEOS)11-20-200316.39"5/99"
C/2003 W1 (LINEAR)11-20-200317.411"6/9irreg.
2P Encke11-12-200316.0 (m2)n/a4/9NW
C/2003 U1 (LINEAR)11-4-200316.411"6/9none
C/2002 X1 (LINEAR)11-4-200315.0 (*)12"6/9n/a
P/2003 S2 (NEAT)11-4-200316.69"7/9none
22P - Kopff11-3-200318.6 (m2)22"2/9n/a
P/2003 S1 (NEAT)11-3-200317.79"7/9none
C/2002 V2 (LINEAR)11-2-200318.5<8"7/9none
C/2003 U3 (NEAT)10-24-200318.38"7/9none
C/2003 U210-24-200318.0<8"7/9none
P/2003 O310-22-200317.7<8"8/9none
C/2003 H3 (NEAT)10-21-200316.310"4/9none
C/2003 O1 (LINEAR)10-20-200319.0<8"8/9none
C/2003 G1 (LINEAR)10-20-200316.413"4/9n/a
P/2002 O8 (NEAT)10-2-200318.9<8"8/9none
C/2003 R1 (LINEAR)10-2-200317.18"8/9none
C/2003 S4 (LINEAR)10-2-200318.510"7/9none
P/2003 QX299-28-200319.0<8"8/9n/a
P/2003 O3 (LINEAR)9-26-200318.58"8/9n/a
C/2003 F1 (LINEAR)8-4-200316.99"6/9none
53P Van Biesbroeck8-4-200314.315"6/9none
116P Wild 48-4-200315.3 (m2)n/a7/9n/a
C/2000 SV74 (LINEAR)7-16-200316.310"6/9none
P/2003 KV2 (LINEAR)7-14-200317.8 (m2)<9"7/9none
P/2003 HT15 (LINEAR)7-4-200319.3<8"8/9none
C/2003 H27-2-200318.59"6/9none
C/2001 RX147-2-200315.2 (*)14"7/9none
C/2003 K27-2-200317.9<9"7/9n/a
C/1999 U4 - Catalina-Skiff6-28-200318.19"4/9none
C/2002 O7 (LINEAR)6-28-200313.5 (*)18"7/9curving from
P/2003 H46-27-200318.38"8/9none
58P Jackson-Neujmin6-23-200319.8 m213"2/9n/a
66P du Toit6-22-200316.917"2/9none
C/2001 G1 (LONEOS)5-31-200317.9<12"7/9n/a
C/2003 E1 (NEAT)5-31-200317.4<11"8/9none
C/2002 Q5 (LINEAR)5-30-200317.812"4/9none
67P Churyumov-Gerasimenko5-29-200318.8 (m2)13"2/9none
155P Shoemaker 35-28-200317.312"3/9none
C/2001 U6 (LINEAR)5-22-200317.913"4/9none
C/2002 U2 (LINEAR)5-22-200317.813"5/9none
100P Hartley5-20-200320.3<12"8/9none
94P Russell 44-22-200318.012"8/9none
C/2003 G2 (LINEAR)4-21-200316.616"4/9none
46P Wirtanen4-11-200318.614"2/9none
C/2002 A3 (LINEAR)3-10-200319.9<10"8/9none
C/2001 B2 (NEAT)3-10-200317.814"6/9none
54P de Vico-Swift2-5-200318.3<10"8/9n/a
P/2002 S1 Skiff2-1-200317.710"8/9none
C/2002 A2 (LINEAR)1-27-200318.39"8/9none
c/C2002 Y1 Jules-Holvorcem1-21-2003~14.5 (*)n/a4/9none
C/2002 B2 (LINEAR)1-11-2003<20.2n/an/an/a
90P Gehrels 11-11-200316.414"3/9none
P/97P Metcalf-Brewington1-10-2003<20.5n/an/an/a
154P Brewington1-5-2003*m2=16.28n/an/an/a
92P Sanguin1-3-200317.48"4/9none
C/2002 O4 Hoenig12-15-2002<19.2n/an/an/a
C/2002 C2 (LINEAR)12-1-200216.79"7/9none
C/2002 V1 NEAT11-19-200215.2 (*)18"4/9none
2002 VE 68 (NEO)11-14-200215.7n/an/an/a
P/2002 T4 de Vico-Swift-NEAT11-7-200216.613"2/10none
P/2002 T1 (LINEAR)11-6-200216.210"4/9none
C/2000 CT54 (LINEAR)10-14-200217.412"2/9none
118P Shoemaker-Levy 410-1-200217.718"2/9none
P/2002 Q1 Van Ness9-27-2002<17.7 stellan/an/an/a
C/2002 K4 (NEAT)9-25-200217.614"2/9none
P/2002 O5 (NEAT)9-23-2002<18.3n/an/an/a
57P du Toit-Neujmin-Delporte9-23-200216.312"7/9none
C/2001 RX14 (LINEAR)9-6-200213.512"6/9260 (?)
C/2002 Q1 Van Ness9-6-200216.714"2/9none
C/2001 K3 Skiff9-6-200217.29"3/9none
C/2002 P1 (NEAT)9-6-200218.0511"3/9irreg.
C/1999 T1 McNaught-Hartley9-4-200217.066"4/9none
C/2002 K4 (NEAT)9-1-200214.969"3/9none
C/2000 WM1 (LINEAR)8-27-200215.88~5"7/9none
C/2002 P18-9-200216.823"8/9n/a
C/2002 O5 (NEAT)8-9-200217.654-5"2/9n/a
C/2001 N2 (LINEAR)7-29-200214.6312"4/9~188
C/2002 H2 (LINEAR)7-28-200215.518"4/9N/A
C/2000 K1(LINEAR)7-9-200216.886"2/9n/a
P/2002 BV Yeung7-8-200217.1210-12"2/9n/a
74P Smirnova-Chermykh7-8-200216.634"4/9n/a
C/2002 J5 (LINEAR)7-7-2002<18,4n/an/an/a
C/2002 C1 Ikeya Zhang7-7-20029.6 (m2=12.7n/a8/9n/a
C/2002 E2 Snyder-Murakami6-20-200215.06*14"6/9n/a
96P Machholz6-18-2002<17.2n/a
C/1999 J2 Skiff6-15-200216.2612"4/0none
77P - Longmore6-15-200215.9712"3/9n/a
24P Schaumasse6-2-200215.194"5/9225
7P Pons-Winnecke5-23-2002<16.2n/a
19P - Borrelly5-14-2002<16.43
P/2001 OG108 - ( LONEOS)5-14-200215.692"8/9n/a
144P - Kushida4-15-200217.032"9/9none
P/2001 WF2 - ( LONEOS)4-6-200215.363"1/9200
c2010 WK (LINEAR)-0-

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