COMET  C/2002 C1 (Ikeya-Zhang)

Martin Lehký   (Hradec Králové, Czech Republic)





Visual observations
Each visual observation record consists of: the name of an object observed, UT date and time (in hundreds of day), the name of a method used for visual magnitude estimate, the estimate itself, reference for magnitude estimates, aperture (in centimeters) of the telescope, type of instrument and its focal ratio and magnification, estimated diameter of the coma (in arc minutes), degree of condensation, estimated length of the tail and position angle (both in degrees),limiting magnitude, observing site, full estimation degrees, designations and brightnesss of comparison stars and a short description of comet appearance.

  • C/2002 C1 (Ikeya-Zhang)     108 visual observations from 02nd February 2002 to 06th August 2002



  • CCD observations
    All pictures were made by 0.25-m reflector + CCD ST5C + filter R at Hradec Kralove observatory . The flat-field correction and the alignment of individual frames were made by CCDOPS software, colour pallete was added by SAOImage and final composition was done with GIMP .


    07.03.2002   20s composition 4x5s           [jpg]   [png]
    08.03.2002   80s composition 4x20s         [jpg]   [png]
    10.03.2002   200s composition 10x20s     [jpg]   [png]
    11.03.2002   200s composition 10x20s     [jpg]   [png]
    12.03.2002   200s composition 10x20s     [jpg]   [png]
    13.03.2002   80s composition 4x20s         [jpg]   [png]
    15.03.2002   200s composition 10x20s     [jpg]   [png]
    27.03.2002   200s composition 10x20s     [jpg]   [png]
    28.03.2002   200s composition 10x20s     [jpg]   [png]
    29.03.2002   200s composition 10x20s     [jpg]   [png]
    30.03.2002   200s composition 10x20s     [jpg]   [png]
    30.03.2002   200s composition 10x20s     [jpg]   [png]
    03.04.2002   200s composition 10x20s     [jpg]   [png]
    03.04.2002   200s composition 10x20s     [jpg]   [png]
    05.04.2002   200s composition 10x20s     [jpg]   [png]
    01.05.2002   200s composition 10x20s     [jpg]   [png]
    11.05.2002   200s composition 10x20s     [jpg]   [png]
    17.05.2002   200s composition 10x20s     [jpg]   [png]
    17.06.2002   600s composition 10x60s     [jpg]   [png]
    18.06.2002   600s composition 10x60s     [jpg]   [png]
    28.06.2002   600s composition 10x60s     [jpg]   [png]
    29.06.2002   600s composition 10x60s     [jpg]   [png]
    11.07.2002   300s composition 5x60s     [jpg]   [png]







    Martin Lehký / makalaki@astro.sci.muni.cz

    Update 18th August 2002