C/2012 S1 ISON
2013 Feb. 10.25 UT: m1= 16.17 (�0.10); Dia.= 0.2�; position: 07h 07m 37.81s,
+31� 46' 51.9''; Measures taken on CCD images unfiltered; comparison star
3UCAC 244-080042 mag. = 15.94)... Clermont Valli鑢e (Centre d扥bservation
Astronomique des Monts Notre-Dame, Qu閎ec, CANADA).
2013 Feb. 11.16 UT: m1= 15.91 (�0.10); Dia.= 0.2�; position: 07h 06m 41.87s,
+31� 46' 47.0''; Measures taken on CCD images unfiltered; comparison star
3UCAC 244-078852 mag. = 15.56)... Clermont Valli鑢e (Centre d扥bservation
Astronomique des Monts Notre-Dame, Qu閎ec, CANADA).
2013 Feb. 19.25 UT: m1= 15.65 (�0.53); Dia.= 0.3�; position: 06h 58m 55.52s,
+31� 43' 09.4''; Measures taken on CCD images unfiltered; comparison star
3UCAC 244-078852 mag. = 15.56)... ( large error due to merging with a
star)Clermont Valli鑢e (Centre d扥bservation Astronomique des Monts
Notre-Dame, Qu閎ec, CANADA).
Pierre Laporte
Centre d扥bservation Astronomique des Monts Notre-Dame
Qu閎ec, CANADA
基本按预报亮度变化。 |