COMET      DATE (UT)     MM MAG. RF AP. T F/PWR  COMA  DC TAIL  PA         OBS.

103        2010 09 11.85  M  9.1 TI 35  L 5  70   6.0  3/           ICQ XX HOR03
103        2010 09 30.96  M  8.1 TI 35  L 5  70   9.5  4/           ICQ XX HOR03
103        2010 10 01.89  M  7.8 TI 35  L 5  44  11    4            ICQ XX HOR03
103        2010 10 02.98  M  7.8 TI 35  L 5  44  10    4/           ICQ XX HOR03
103        2010 10 03.84  M  7.5 TI 35  L 5  44  12    4            ICQ XX HOR03
103        2010 10 07.96  M  6.8 TI  5  B    10  19    3            ICQ XX HOR03
103        2010 10 08.94  M  6.3 TI  7  B    11  21    3/           ICQ XX HOR03
103        2010 10 09.87  M  5.7 TI  7  B    11  45    3/           ICQ XX HOR03
103        2010 10 09.95  GS 5.5:TI  0.8E     1  35    4            ICQ XX HOR03
103        2010 10 10.86  M  5.6 TI  7  B    11  45    3/           ICQ XX HOR03
103        2010 10 10.91  GS 5.4:TI  0.8E     1  35    4            ICQ XX HOR03
103        2010 10 12.87  M  5.5 TI  7  B    11  40    3/           ICQ XX HOR03
103        2010 10 12.93  GS 5.3 TI  0.8E     1  35    4            ICQ XX HOR03
103        2010 10 13.99  GS 5.3 TI  0.8E     1  30    4            ICQ XX HOR03
103        2010 10 14.11  GS 5.1 TI  0.8E     1  50    3            ICQ XX HOR03
103        2010 10 14.79  M  5.5 TI 10  B    25  25    3/           ICQ XX HOR03
103        2010 10 22.11  M  5.3 TI  7  B    11  25    4            ICQ XX HOR03



Comet 103P/Hartley => 2010 Sep. 30.96: Moonlight [HOR03].
                   => 2010 Oct. 02.98: Fog [HOR03].
                   => 2010 Oct. 07.96: Light pollution [HOR03].
                   => 2010 Oct. 13.99: Light pollution [HOR03].
                   => 2010 Oct. 14.11: 6.9 magnitude star in coma [HOR03].
                   => 2010 Oct. 22.11: Moonlight [HOR03].


COMET 103P/HARTLEY
     Total-magnitude and coma-diameter estimates:
Sep. 11.85, 9.1, 6'.0 (P. Horalek, Ustupky, Czech republic, 35-cm reflector);
Sep. 30.96, 8.1, 9'.5 (P. Horalek, Ustupky, Czech republic, 35-cm reflector; moonlight);
Oct. 01.89, 7.8, 11' (P. Horalek, Ustupky, Czech republic, 35-cm reflector);
Oct. 02.98, 7.8, 10' (P. Horalek, Ustupky, Czech republic, 35-cm reflector; fog);
Oct. 03.84, 7.5, 12' (P. Horalek, Ustupky, Czech republic, 35-cm reflector);
Oct. 07.96, 6.8, 19' (P. Horalek, Pardubice, Czech republic, 10x50 binoculars; light pollution);
Oct. 08.94, 6.3, 21' (P. Horalek, Ustupky, Czech republic, 11x70 binoculars; cirrus clouds);
Oct. 09.87, 5.7, 45' (P. Horalek, Ustupky, Czech republic, 11x70 binoculars);
Oct. 09.95, 5.5:, 35' (P. Horalek, Ustupky, Czech republic, naked eye);
Oct. 10.86, 5.6, 45' (P. Horalek, Ustupky, Czech republic, 11x70 binoculars);
Oct. 10.91, 5.4:, 35' (P. Horalek, Ustupky, Czech republic, naked eye);
Oct. 12.87, 5.5, 40' (P. Horalek, Ustupky, Czech republic, 11x70 binoculars);
Oct. 12.93, 5.3, 35' (P. Horalek, Ustupky, Czech republic, naked eye);
Oct. 13.99, 5.3, 30' (P. Horalek, Hradec Kralove, Czech republic, naked eye; light pollution);
Oct. 14.11, 5.1, 50' (P. Horalek, Ustupky, Czech republic, naked eye; 6.9 magnitude star in coma);
Oct. 14.79, 5.5, 25' (P. Horalek, Pardubice, Czech republic, 25x100 binoculars; strong light pollution);
Oct. 22.11, 5.3, 25' (P. Horalek, Ustupky, Czech republic, 11x70 binoculars; moonlight);