Comet P/2001 Q2 (Petriew)
- 2001:
- Aug. 26.09: m1 = 9.9 (+/-0.1) Dia. 2.0', DC = 4 , 48x203 L, Noordwijk(NL)
- Aug. 28.13: m1 = 10.6 (+/-0.2) Dia. 1.7', DC = 4 , 48x203 L, Noordwijk(NL)
- Aug. 29.11: m1 = 10.4 (+/-0.1) Dia. 2.0', DC = 4 , 48x203 L, Noordwijk(NL)
- Sep. 01.15: m1 = 10.7 (+/-0.1) Dia. 1.5', DC = 4 , 42x256 L, Ablis (Fr.)
- Sep. 15.12: m1 = 10.1 (+/-0.2) Dia. 2.5', DC = 4 , 42x256 L, Ablis (Fr.)
- Sep. 16.18: m1 = 10.4 (+/-0.2) Dia. 2.0', DC = 5 , 42x256 L, Versail.(Fr.)
- Sep. 23.17: m1 = 10.7 (+/-0.2) Dia. 1.7', DC = 3 , 48x203 L, Noordwijk(NL)
- Sep. 30.17: m1 = 11.4 (+/-0.2) Dia. 1.4', DC = 3 , 42x256 L, Ablis (Fr.)
- Sep. 30.17: m1 = 11.5 (+/-0.2) Dia. 1.3', DC = 3 , 84x256 L, Ablis (Fr.)
- Sep. 01.16: m2=13.6+-0.2 (169x256 L)
- Sep. 15.13: m2=14.1+-0.2 (169x256 L)