December 16, 1992

58K
False-color image of comet 109P/Swift-Tuttle, obtained in the light of singly-ionized water ions on 1992 Dec. 16; 17.10UT, with 20-cm, f/2 Baker-Scmidt telescope, ST-6 CCD and narrow-band H₂O⁺ filter, centered at 620nm (FWHM=10nm). Copyright © 1992 by H. Mikuz.
 
 

December 15, 1992

129K 147K 132K
False-color images (left to center) and w-b image (right) of comet 109P/Swift-Tuttle, obtained in the light of singly-ionized water ions on 1992 Dec. 15; 17.01-17.11UT, with 3.5/250mm lens, CCD and narrow-band H₂O⁺ filter, centered at 620nm (FWHM=10nm). The field of view is
2.9^ox1.9^o. Copyright © 1992 by H. Mikuz.
 

False-color image of comet 109P/Swift-Tuttle dust tail, obtained on 1992 Dec. 15; 17.14-17.24UT, with 3.5/250mm lens, CCD and red continuum filter, centered at 647nm (FWHM=10nm). The field of view is 2.9^ox1.9^o. Copyright © 1992 by H. Mikuz.
 

False-color image of comet 109P/Swift-Tuttle, obtained on 1992 Dec. 15; 16.50-16.52UT, with 3.5/250mm lens, CCD and V filter. The field of view is 2.9^ox1.9^o. Copyright © 1992 by H. Mikuz.
 

December 13, 1992

75K
False-color image of comet 109P/Swift-Tuttle, obtained in the light of singly-ionized water ions on 1992 Dec. 13; 17.04UT, with 20-cm, f/2 Baker-Scmidt telescope, ST-6 CCD and narrow-band H₂O⁺ filter, centered at 620nm (FWHM=10nm). Copyright © 1992 by H. Mikuz.
 
 

December 6, 1992

160K  110K
False-color (left) and w-b image (right) of comet 109P/Swift-Tuttle, obtained in the light of singly-ionized water ions on 1992 Dec. 6; 17.15-17.25UT, with 3.5/250mm lens, CCD and narrow-band H₂O⁺ filter, centered at 620nm (FWHM=10nm). The field of view is
2.9^ox1.9^o. Copyright © 1992 by H. Mikuz.
 
 

November 23, 1992

279K  152K
False-color mosaic image (left) and w-b image (right) of comet 109P/Swift-Tuttle, obtained in the light of singly-ionized water ions on 1992 Nov. 23; 17.32-17.56UT, with 3.5/250mm lens, CCD and narrow-band H₂O⁺ filter, centered at 620nm (FWHM=10nm). The field of view is about 3.5^ox3.5^o (color image). Copyright © 1992 by H. Mikuz.
 
 

November 20, 1992

141K  157K
False-color mosaic image (left) and w-b image (right) of comet 109P/Swift-Tuttle, obtained in the light of singly-ionized water ions on 1992 Nov. 20; 17.46-18.13UT, with 3.5/250mm lens, CCD and narrow-band H₂O⁺ filter, centered at 620nm (FWHM=10nm). The field of view is about 3.5^ox3.5^o (color image). Copyright © 1992 by H. Mikuz.
 
 

November 19, 1992

133K
False-color image of comet 109P/Swift-Tuttle, obtained in the light of singly-ionized water ions on 1992 Nov. 19; 18.27-18.37UT, with 3.5/250mm lens, CCD and narrow-band H₂O⁺ filter, centered at 620nm (FWHM=10nm). The field of view is
2.9^ox1.9^o. Copyright © 1992 by H. Mikuz.

126K
False-color image of comet 109P/Swift-Tuttle, obtained in the light of singly-ionized water ions on 1992 Nov. 19; 17.39-17.40UT, with 3.5/250mm lens, CCD and V filter. The field of view is 2.9^ox1.9^o. Copyright © 1992 by H. Mikuz.
 
 

November 14, 1992

130K  139K
False-color (left) and w-b image (right) of comet 109P/Swift-Tuttle, obtained in the light of singly-ionized water ions on 1992 Nov. 14; 17.37-17.47UT, with 3.5/250mm lens, CCD and narrow-band H₂O⁺ filter, centered at 620nm (FWHM=10nm). The field of view is
2.9^ox1.9^o. Copyright © 1992 by H. Mikuz.
 

 
October 26, 1992

85K
False-color image of periodic comet 109P/Swift-Tuttle obtained on 1992 Oct. 26.741UT with 19-cm, f/4 flat-field S-C telescope and CCD. Exposure time was 2 minutes. Copyright © 1992 by H. Mikuz.
 

 
October 14, 1992

33K
False-color image of periodic comet 109P/Swift-Tuttle obtained on 1992 Oct. 14.738UT with 19-cm, f/4 flat-field S-C telescope, V filter and CCD. Exposure time was 1 minute. Copyright © 1992 by H. Mikuz.
 

 
October 14, 1992

59K
False-color image of periodic comet 109P/Swift-Tuttle obtained on 1992 Oct. 14.735UT with 19-cm, f/4 flat-field S-C telescope and CCD. Exposure time was 1 minute. Copyright © 1992 by H. Mikuz.