Comet Linear A2 with Jets Sprays

Updated 7/17/01

Comet Linear A2 continues to be a rewarding 4.5 magnitude naked eye sight in Pegasus, in the late evening and early morning skies. These two new images were taken with my12.5" f/5 newtonian and an ST7E CCD camera at prime focus from our backyard observatory.

Above: This image is ten one minute exposures combined with the comets nucleus in register to preserve details in the comet. The small gap in the star trails are the 15 second download times for each image into the laptop. A faint ray tail can be seen to the lower left, the entire width of this field is 15 arcmins - 1/4 degree.

Above: Larson-Sekanina filtration using AstroArt. This powerful method brings out the 90 degree fans emanating from the nucleus. the tail is seen to the lower right, and the two jets are seen going to the 1:00 and 7:00 positions from the core. The filter works by rotating the coma around the nucleus and subtracting the result from the original image. This removes all symetrical nebulosity, and leaves the difference image.

Previous Uploads: Three faces of Comet Linear Comet Linear A2 6-27-01 Van Cittert Deconvolution of the Lunar Highlands More Northern Lights and the ISS over Payson The NGC891 Galaxy Group Notes CCD Shots during Full Moon Comet Linear July 19 & 25th, 2000 Latest image of Comet Linear S4 Spectacular Red Aurora over Payson Arizona Fuji's New Formulation of it new Super HQ100 FIRST TESTS OF HYPERED FUJI HQ100 First Schmidt shots with PJ400 First Tricolor shots with 2415 Test Images with Fuji NPH400 First Two Comets with the new CCD Camera

Chris Schur

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