Citizen Science Contributor
Christian Harder
Visual Observer · Visual Observer · ICQ HAR11
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
- 2340
- Objects
- 160
- Last report
- 2d ago
Reported objects
- 139
29P
29P/Schwassmann-Wachmann · Visual Observer
- 100
C/2020 V2
C/2020 V2 (ZTF) · Visual Observer
- 79
C/2017 T2
C/2017 T2 (PANSTARRS) · Visual Observer
- 72
C/2014 Q2
C/2014 Q2 (Lovejoy) · Visual Observer
- 70
C/2019 L3
C/2019 L3 (ATLAS) · Visual Observer
- 66
C/2017 K2
C/2017 K2 (PANSTARRS) · Visual Observer
- 54
12P
12P/Pons-Brooks · Visual Observer
- 54
C/2022 E3
C/2022 E3 (ZTF) · Visual Observer
- 52
C/2023 A3
C/2023 A3 (Tsuchinshan-ATLAS) · Visual Observer
- 42
64P
64P/Swift-Gehrels · Visual Observer
- 42
C/2022 E2
C/2022 E2 (ATLAS) · Visual Observer
- 41
C/2019 Y4
C/2019 Y4 (ATLAS) · Visual Observer
- 40
C/2014 E2
C/2014 E2 (Jacques) · Visual Observer
- 38
C/2015 V2
C/2015 V2 (Johnson) · Visual Observer
- 37
103P
103P/Hartley · Visual Observer
- 36
38P
38P/Stephan-Oterma · Visual Observer
- 36
C/2023 E1
C/2023 E1 (ATLAS) · Visual Observer
- 33
C/2020 F3
C/2020 F3 (NEOWISE) · Visual Observer
- 32
19P
19P/Borrelly · Visual Observer
- 32
67P
67P/Churyumov-Gerasimenko · Visual Observer
- 31
C/2013 US10
C/2013 US10 (Catalina) · Visual Observer
- 30
21P
21P/Giacobini-Zinner · Visual Observer
- 30
C/2017 O1
C/2017 O1 (ASASSN1) · Visual Observer
- 30
C/2018 W2
C/2018 W2 (Africano) · Visual Observer
- 29
13P
13P/Olbers · Visual Observer
- 29
41P
41P/Tuttle-Giacobini-Kresak · Visual Observer
- 29
C/2009 P1
C/2009 P1 (Garradd) · Visual Observer
- 29
C/2012 F6
C/2012 F6 (Lemmon) · Visual Observer
- 28
46P
46P/Wirtanen · Visual Observer
- 27
246P
246P/NEAT · Visual Observer
- 24
24P
24P/Schaumasse · Visual Observer
- 24
C/2025 A6
C/2025 A6 (Lemmon) · Visual Observer
- 22
C/2018 Y1
C/2018 Y1 (Iwamoto) · Visual Observer
- 21
C/2025 K1
C/2025 K1 (ATLAS) · Visual Observer
- 20
240P
240P/NEAT · Visual Observer
- 20
81P
81P/Wild · Visual Observer
- 20
C/2012 K1
C/2012 K1 (PANSTARRS) · Visual Observer
- 20
C/2015 F4
C/2015 F4 (Jacques) · Visual Observer
- 19
123P
123P/West-Hartley · Visual Observer
- 19
156P
156P/Russell-LINEAR · Visual Observer
1–40 of 160