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Table 3

Log of observations.

Designation UT moment Telescope Exposures Airmass r Δ Phase I/Oa
year month (s) (au) (au) angle ()
/2005 S4 2008 10.6353 RC 300 × 4(R) 1.44 06.68 06.91 08.2 O
C/2008 S3 2008 10.6761 RC 180 × 3(B), 120 × 6(V), 120 × 5(R) 1.11 09.85 09.08 03.9 I
C/2005 L3 2010 06.2931 RC 120 × 5(B), 120 × 5(V), 120 × 6(R) 1.20 08.28 08.38 07.0 O
C/2008 FK75 2010 06.2972 RC 120 × 5(B), 120 × 5(V), 120 × 7(R) 1.01 04.60 04.06 11.2 I
C/2010 S1 2011 10.7646 RC 120 × 7(B), 180 × 7(V) 1.20 07.13 06.54 06.7 I
C/2009 S3 2013 02.3815 BTA 120 × 5(B), 60 × 5(V), 30 × 4(R), 30 × 4(I) 1.35 07.08 07.39 07.4 O
C/2012 A1 2013 02.3832 BTA 120 × 7(B), 60 × 6(V), 30 × 6(R), 30 × 6(I) 1.05 07.82 07.10 05.2 I
C/2013 C2 2014 02.3241 LT 20 × 9(B), 20 × 9(V), 20 × 18(SDSSr’) 1.60 09.37 08.62 04.1 I
C/2013 F2 2014 02.4315 LT 30 × 8(B), 30 × 8(V), 30 × 10(SDSSr’) 1.03 06.65 05.69 04.6 I
C/2010 S1 2014 03.4547 LT 20 × 9(B), 20 × 9(V), 20 × 15(SDSSr’) 1.85 06.26 06.78 07.5 O
C/2008 S3 2014 04.8405 LT 20 × 18(SDSSr’) 1.69 10.16 10.46 05.3 O
C/2010 S1 2014 08.4521 LT 20 × 9(B), 20 × 9(V), 20 × 18(SDSSr’) 1.92 06.69 05.93 06.1 O
C/2012 K8 2014 08.4534 LT 20 × 8(B), 20 × 8(V), 20 × 18(SDSSr’) 1.75 06.46 06.33 09.0 I
C/2010 U3 2014 08.4896 LT 30 × 8(V), 30 × 15(SDSSr’) 1.25 12.64 12.70 04.6 I
C/2009 F4 2014 08.4906 LT 30 × 8(V), 30 × 15(SDSSr’) 1.57 08.64 08.65 06.7 O
C/2013 V4 2015 12.3189 RC 180 × 4(B), 180 × 4(V), 180 × 4(R) 1.17 05.20 04.54 08.5 O
C/2006 S3 2015 12.3257 RC 360 × 1(B), 360 × 1(V) 1.26 10.59 10.64 05.3 O

Notes. (a) I–before perihelion passage, O–after perihelion passage.

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