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Table 1
Observational material for the two comets studied in this paper.
| Name | Paper I | Present investigation | ||||||
| interval of obs. | No. of obs. | interval of obs. | No. of obs. | |||||
|
|
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| C/2001 Q4 NEAT | 24 August 2001–18 August 2006 | 2661 | 24 August 2001–18 August 2006 | 2681 | ||||
| C/2002 T7 LINEAR | 12 October 2002–7 March 2006 | 4451 | 12 October 2002–20 March 2006 | 4507 | ||||
Notes. Astrometric data were taken on 14 December 2011 from the IAU Minor Planet Center Web Page http://www.minorplanetcenter.net/db_search.
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