Rotation-stimulated structures in the CN and C3 comae of comet 103P/Hartley 2 close to the EPOXI encounter

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Table 1

Statistics of the images and geometric properties.

UT Date	r^a	Δ^b	φ^c	Number of exposures^d
Nov. 2010	[AU]	[AU]	[°]	CN C₃ dust

2.96–3.10	1.062	0.150	58.7	11/6 2/1 4/2
4.94–5.16	1.064	0.158	58.8	20/10 4/2 2/1
5.93–6.16	1.066	0.163	58.8	17/9 3/2 3/2
6.96–7.17	1.067	0.167	58.7	11/6 3/2 3/2

Notes.

^(a)

Heliocentric distance.

^(b)

Topocentric distance.

^(c)

Topocentric phase angle (i.e. Sun-comet-observer angle).

^(d)

Numbers of original/ stacked images.

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