Citizen Science Contributor
Otto Guthier
Visual Observer · Visual Observer · ICQ GUT
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
- 620
- Objects
- 65
- Last report
- 46d ago
Reported objects
- 70
1P
1P/Halley · Visual Observer
- 44
C/1987 P1
C/1987 P1 (Bradfield) · Visual Observer
- 39
C/1990 K1
C/1990 K1 (Levy) · Visual Observer
- 33
21P
21P/Giacobini-Zinner · Visual Observer
- 32
109P
109P/Swift-Tuttle · Visual Observer
- 25
23P
23P/Brorsen-Metcalf · Visual Observer
- 24
C/1989 Q1
C/1989 Q1 (Okazaki-Levy-Rudenko) · Visual Observer
- 24
C/1989 X1
C/1989 X1 (Austin) · Visual Observer
- 22
C/1986 V1
C/1986 V1 (Sorrells) · Visual Observer
- 21
C/1988 A1
C/1988 A1 (Liller) · Visual Observer
- 16
19P
19P/Borrelly · Visual Observer
- 16
C/1986 P1
C/1986 P1 (Wilson) · Visual Observer
- 13
122P
122P/de Vico · Visual Observer
- 13
C/1989 W1
C/1989 W1 (Aarseth-Brewington) · Visual Observer
- 13
C/1993 Y1
C/1993 Y1 (McNaught-Russell) · Visual Observer
- 13
P/1995 S1
P/1995 S1 (de Vico) · Visual Observer
- 12
C/1984 V1
C/1984 V1 (Levy-Rudenko) · Visual Observer
- 11
24P
24P/Schaumasse · Visual Observer
- 11
C/1985 R1
C/1985 R1 (Hartley-Good) · Visual Observer
- 10
C/1991 X2
C/1991 X2 (Mueller) · Visual Observer
- 10
C/1992 F1
C/1992 F1 (Tanaka-Machholz) · Visual Observer
- 10
C/1995 Q1
C/1995 Q1 (Bradfield) · Visual Observer
- 9
9P
9P/Tempel · Visual Observer
- 9
C/1987 B1
C/1987 B1 (Nishikawa-Takamizawa-Tago) · Visual Observer
- 9
C/1987 U3
C/1987 U3 (McNaught) · Visual Observer
- 9
C/1991 Y1
C/1991 Y1 (Zanotta-Brewington) · Visual Observer
- 9
C/2023 P1
C/2023 P1 (Nishimura) · Visual Observer
- 8
C/1991 T2
C/1991 T2 (Shoemaker-Levy) · Visual Observer
- 6
97P
97P/Metcalf-Brewington · Visual Observer
- 6
C/1993 A1
C/1993 A1 (Mueller) · Visual Observer
- 6
C/1995 O1
C/1995 O1 (Hale-Bopp) · Visual Observer
- 5
4P
4P/Faye · Visual Observer
- 5
6P
6P/d'Arrest · Visual Observer
- 5
C/1989 Y1
C/1989 Y1 (Skorichenko-George) · Visual Observer
- 4
12P
12P/Pons-Brooks · Visual Observer
- 3
58P
58P/Jackson-Neujmin · Visual Observer
- 3
C/1994 G1
C/1994 G1 (Takamizawa-Levy) · Visual Observer
- 3
C/2022 E3
C/2022 E3 (ZTF) · Visual Observer
- 2
141P-A
141P-A/Machholz · Visual Observer
- 2
2P
2P/Encke · Visual Observer
1–40 of 65