C/2006M4 (SWAN)


Date (UT)  n  MM Mag  Ref Aper Type  f  x  dia DC taildg tailpa  Observer
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061102.73  -  B  6.0: TK  5.0   B    -  7   -  6   ---    ---    T Karhula
Comments:  A brief look from the steps to Åkesta observatory.  89% gibbous
moon lit up the sky.  Site: Västerås, Sweden.


Date (UT)  n  MM Mag  Ref Aper Type  f  x  dia DC taildg tailpa  Observer
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061028.74  -  B  5.3  TK  5.0   B    -  7   10  7   3.5    35    T Karhula
Comments:  Pseudonucleus was of 8th magnitude as seen with 18x50 IS
binoculars.  A straight ion tail crossing the whole field of view visible,
ending to the left of M13.  Coma visible to the naked eye but not the
tail.  Brightness comparable to 53 Her and 59 Her but fainter than the
combined light of Nu1 and Nu2 CrB.  The coma possessed a nice brightness
gradient.  Site: Virsbo, Sweden.


Date (UT)   n  MM Mag  Ref Aper Type  f  x  dia DC taildg tailpa  Observer
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061025.90   -  B  4.6  TK  8.0   B    -  11  6  6   0.3     55    J Warell
Comments: Round, well condensed coma with small brighter center. Straight, 
faint and diffuse tail. Clear, transparent sky. Low altitude, 12 degrees. 
ZLM 5.0. Light pollution. Site: Uppsala, Sweden. 


Date (UT)   n  MM Mag  Ref Aper Type  f  x  dia DC taildg tailpa  Observer
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061014.81   -  B  6.2  TK  8.0   B   -  11    -  -   ---    ---   J Warell
Comments: Only inner coma seen. Altitude 18 degrees. ZLM 4.5. Clear, hazy sky,
light pollution. Site: Uppsala, Sweden.


Date (UT)   n  MM Mag  Ref Aper Type  f  x  dia DC taildg tailpa  Observer
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061008.83   -  B  5.8  TK  8.0   B   -  11   3  7   ---    ---    J Warell
Comments: Round, very well condensed coma. No tail seen. Clear, transparent 
sky. Full Moon in E. ZLM 4.5. Light pollution.  Site: Uppsala, Sweden.


Date (UT)   n  MM Mag  Ref Aper Type  f  x  dia DC taildg tailpa  Observer
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061001.77   -  B  5.5: TK  5.0   B    -  7  3.5  7   ---     ---   T Karhula
Comments:  Could see a faint tail stretching northwards. Altitude 14 degrees.
Site: Virsbo, Sweden. 


Date (UT)   n  MM Mag  Ref Aper Type  f  x  dia DC taildg tailpa  Observer
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060929.78   -  B  5.5: TK  5.0   B    -  7   -  8   ---     ---   T Karhula
Comments:  Found the comet with 7x50 binoculars as a bright, very small and
condensed object.  Could not see it for many seconds until clouds covered
that part of the sky in Ursa Major. Altitude 12 degrees. Site: Virsbo, Sweden.