55P/TEMPEL-TUTTLE


CCD image by Jörgen Danielsson 1998 January 10, 23:17:07-23:27:11 UT, 
Starlight Xpress SXL8 cooled. Exposure time 9 x 30 seconds with Celestron C5+telecompressor for 
F 625 mm f/5. Simulated guiding on comet pseudo-nucleus.


Date (UT)  n MM Mag Ref Aper Type f  x  dia DC taildg tailpa Observer
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980118.71 - S  7.9: TI  8.0   B     20  8:   1               Timo Karhula
Comments: First clear night sky in FOUR weeks.  A hasty observation
due to more incoming clouds.  The comet was situated almost overhead.  It was
pretty large and diffuse. Site: Virsbo, Sweden.


Date (UT)  n MM Mag Ref Aper Type f  x  dia DC taildg tailpa Observer
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980120.99  - S  8.1 HS  14.0  S  3.6 28  8   2 ---    ---    J Warell
Comments: Fuzzy, round, slightly brighter center. No tail, no CC. Mag ref stars GSC 4041 95 
(7.69V) and 4045 317 (9.57V). Light sky, hazy, low drifting clouds. ZLM 5.6. Bright green 
rayed Aurora Borealis ended ca 00 UT. Site: Åkerby 9 km NW of Uppsala, Sweden.


CCD image by Jörgen Danielsson 1998 January 25, 21:53 UT, Starlight Xpress 
SXL8 cooled. Exposure time 3 x 45 seconds with Celestron C5+telecompressor for F 625 mm f/5. 
Simulated guiding on comet pseudo-nucleus. FOV approx 0.2x0.2 degrees.