53p (Van Biesbroeck)


Date M1 Diameter DC PA Observer
2003 Jun 08.48 UT

13.4(14.9)

45"

 3/9

258/13"

David Higgins - E14
0.25m SCT/ccd.... image/photometry via 0.25m SCT @ f/5; SX MX516 ccd @ 500 x 373 pixels, 1.98/pixel. 120 second exposure Photometry via computer direct (IRIS).
Bright with small central condensation but quite diffuse coma. Tail evident PA 258 13".
Date M1 Diameter DC PA Observer
2003 Aug 01.43 UT

15.0(15.5)

24.2"

 3/9

140/28.3"

David Higgins - E14
0.25m SCT/ccd.... image/photometry via 0.25m SCT @ f/5; SX MX516 ccd @ 500 x 373 pixels, 1.98/pixel. 120 second exposure Photometry via computer direct (IRIS).
Small central condensation with an even diffuse coma and small faint tail, m2=15.5.
Date M1 Diameter DC PA Observer
2003 Sep 08.38 UT

15.2(15.7)

??"

 ??/9

??

David Higgins - E14
0.25m SCT/ccd.... image/photometry via 0.25m SCT @ f/5; SX MX516 ccd @ 500 x 373 pixels, 1.98/pixel. 120 second exposure Photometry via computer direct (IRIS).
Measured for MPC comet Astrometry