Table 1: Observational data and geometrical circumstances. No: Serial number of the observation. Obs: Observer (DT - Diego Tirelli, Italian Group of Comet Observers; MJ & GR - Michael Jäger & Gerald Rhemann, Astrostudio G. Rhemann Ges. m. b. h). Date UT (2004): Time at midexposure. RA, Dec: right ascension and declination of the comet nucleus, respectively, measured directly on the CCD images through astrometric calibration. $\Delta$ , r: Earth-comet and Sun-comet distances. $\phi$ : Phase angle. $\nu$ : True anomaly of the comet nucleus. $\beta$ : Cometocentric latitude of the Earth; it is positive when the Earth is in the comet north hemisphere.
No Obs. Date UT (2004) RA[ $^{\circ}$ ] Dec[ $^{\circ}$ ] $\Delta$ [AU] r[AU] $\phi[^{\circ}$ ] $\nu[^{\circ}$ ] $\beta[^{\circ}$ ]

1 MJ & GR Apr. 30.0551 14.6486 32.5708 1.0628 0.4930 70.0 108.533 2.4

2 DT May 02.1151 14.6211 34.6623 1.1141 0.5500 64.5 112.873 0.6

3 DT May 07.1065 15.1268 38.7339 1.2317 0.6818 55.0 120.463 -3.0

**Table 1:** Observational data and geometrical circumstances. No: Serial number of the observation. Obs: Observer (DT - Diego Tirelli, Italian Group of Comet Observers; MJ & GR - Michael Jäger & Gerald Rhemann, Astrostudio G. Rhemann Ges. m. b. h). Date UT (2004): Time at midexposure. RA, Dec: right ascension and declination of the comet nucleus, respectively, measured directly on the CCD images through astrometric calibration. $\Delta$ , r: Earth-comet and Sun-comet distances. $\phi$ : Phase angle. $\nu$ : True anomaly of the comet nucleus. $\beta$ : Cometocentric latitude of the Earth; it is positive when the Earth is in the comet north hemisphere.
No	Obs.	Date UT (2004)	RA[ $^{\circ}$ ]	Dec[ $^{\circ}$ ]	$\Delta$ [AU]	r[AU]	$\phi[^{\circ}$ ]	$\nu[^{\circ}$ ]	$\beta[^{\circ}$ ]
1	MJ & GR	Apr. 30.0551	14.6486	32.5708	1.0628	0.4930	70.0	108.533	2.4
2	DT	May 02.1151	14.6211	34.6623	1.1141	0.5500	64.5	112.873	0.6
3	DT	May 07.1065	15.1268	38.7339	1.2317	0.6818	55.0	120.463	-3.0

Source LaTeX | All tables | In the text

	1 Introduction
	2 Observations and reduction procedure
	3 Discussion and conclusion
	References