Citizen Science Contributor
Christopher E. Spratt
Visual Observer · Visual Observer · ICQ SPR
Counts come from COBS observations and published discoverer names. They are not editable. This is a source profile, not a Venator login. Claiming a page comes later with accounts.
- Reports
- 1231
- Objects
- 94
- Last report
- 8984d ago
Reported objects
- 66
C/1995 O1
C/1995 O1 (Hale-Bopp) · Visual Observer
- 54
19P
19P/Borrelly · Visual Observer
- 54
22P
22P/Kopff · Visual Observer
- 43
1P
1P/Halley · Visual Observer
- 42
C/1982 M1
C/1982 M1 (Austin) · Visual Observer
- 41
9P
9P/Tempel · Visual Observer
- 39
C/1990 K1
C/1990 K1 (Levy) · Visual Observer
- 38
C/1987 P1
C/1987 P1 (Bradfield) · Visual Observer
- 38
C/1994 N1
C/1994 N1 (Nakamura-Nishimura-Machholz) · Visual Observer
- 35
67P
67P/Churyumov-Gerasimenko · Visual Observer
- 34
23P
23P/Brorsen-Metcalf · Visual Observer
- 31
C/1980 Y2
C/1980 Y2 (Panther) · Visual Observer
- 27
21P
21P/Giacobini-Zinner · Visual Observer
- 24
109P
109P/Swift-Tuttle · Visual Observer
- 24
C/1989 Q1
C/1989 Q1 (Okazaki-Levy-Rudenko) · Visual Observer
- 23
64P
64P/Swift-Gehrels · Visual Observer
- 23
C/1996 N1
C/1996 N1 (Brewington) · Visual Observer
- 22
4P
4P/Faye · Visual Observer
- 22
C/1996 B2
C/1996 B2 (Hyakutake) · Visual Observer
- 21
103P
103P/Hartley · Visual Observer
- 21
C/1994 G1
C/1994 G1 (Takamizawa-Levy) · Visual Observer
- 20
24P
24P/Schaumasse · Visual Observer
- 20
C/1993 A1
C/1993 A1 (Mueller) · Visual Observer
- 18
C/1993 Y1
C/1993 Y1 (McNaught-Russell) · Visual Observer
- 17
C/1996 B1
C/1996 B1 (Szczepanski) · Visual Observer
- 16
38P
38P/Stephan-Oterma · Visual Observer
- 16
C/1980 E1
C/1980 E1 (Bowell) · Visual Observer
- 15
31P
31P/Schwassmann-Wachmann · Visual Observer
- 14
122P
122P/de Vico · Visual Observer
- 14
C/1985 R1
C/1985 R1 (Hartley-Good) · Visual Observer
- 14
P/1995 S1
P/1995 S1 (de Vico) · Visual Observer
- 13
C/1994 T1
C/1994 T1 (Machholz) · Visual Observer
- 12
126P
126P/IRAS · Visual Observer
- 12
81P
81P/Wild · Visual Observer
- 12
C/1983 O1
C/1983 O1 (Cernis) · Visual Observer
- 12
C/1997 T1
C/1997 T1 (Utsunomiya) · Visual Observer
- 11
C/1985 T1
C/1985 T1 (Thiele) · Visual Observer
- 11
C/1988 A1
C/1988 A1 (Liller) · Visual Observer
- 10
C/1979 Y1
C/1979 Y1 (Bradfield) · Visual Observer
- 10
C/1989 X1
C/1989 X1 (Austin) · Visual Observer
1–40 of 94