73P/Schwassmann-Wachmann 3 (component B)


Date (UT) n MM Mag Ref Aper Type f  x  dia DC taildg tailpa Observer
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060421.94 -             10    B   -  25  4      0.3    220   T Karhula
060421.95 -  S  8.5 TK   5    B   -   7  6  4   ---    ---   T Karhula
Comments:  A strange looking comet with a diffuse and a tear-drop shaped
appearance.  Good transparency.  Site:
Virsbo, Sweden.


Date (UT) n MM  Mag Ref Aper Type f  x  dia DC taildg tailpa Observer
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060422.95 -             10    B   -  25         0.3    220   T Karhula
060422.96 -  S  8.7 TK   5    B   -   7  5  3   ---    ---   T Karhula
Comments:  A ghostly sight, coma only slightly more condensed than the rest
of the tail.  Also seen with 8x21 binoculars.  Similar to M31 naked eye.
Difficult to estimate magnitude. In the same FOV as component C. 53cm L (68x)
showed a 14 mag pseudo-nucleus inside the coma.  Site:  Virsbo, Sweden.


Date (UT) n MM  Mag Ref Aper Type f  x  dia DC taildg tailpa Observer
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060503.90 -  S  7.4 TK   8    B   -  20  10 3   0.5    210   T Karhula
Comments:  Elongated coma as seen with 10x50 binoculars.  Situated only 1°.6
from the globular cluster M13.  Twilight.  Site.  Västerås, Sweden


Date (UT)    n MM Mag Ref Aper Type f   x   dia DC taildg tailpa Observer
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060504.96    -  B 6.5  TK  8.0  B   -  11    5   5  0.4    245   J Warell
Comments: Diffuse coma, brighter towards the center, wide bright straight 
tail. Twilight sky, mostly cloudy (Sc) but not at comet. Altitude 35 deg.
Site: Uppsala, Sweden.


Date (UT) n MM  Mag Ref Aper Type f  x  dia DC taildg tailpa Observer
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060506.96 -         TK   10   B   -  25     3   0.2    210   T Karhula
060506.96 -  S  7.2 TK    5   B   -   7  5                   T Karhula
Comments: Twilight, solar elevation -13°. Gibbous moon. Site:  Virsbo, Sweden


Date (UT) n MM  Mag Ref Aper Type f  x  dia DC taildg tailpa Observer
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060507.91 -  S  7.6 TK   5    B   -  18  8  3   0.5    230   T Karhula
Comments:  This was the closest to Earth and the last time that I saw the comet,
0.08565 AU.  The separation to the C-component had increased to 14°.  Nautical
twilight, solar elevation -12°.  Gibbous moon.  Site: Virsbo, Sweden.