Comet P/2015 TP200 LINEAR near Peak Brightness

Mike Olason
Location of photo
Denver Colorado
Date/Time of photo
27 February 2017, 0550UT
11" SC Telescope and STF-8300M CCD Camera
Magnitude 17 Comet P/2015 TP200 LINEAR was at Perihelion in October 2016 in its 20 year orbit. It reached peak brightness as seen from Earth in early 2017. In these images it has a faint broad tail below the coma. The top inset shows a negative image of the comet and the bottom inset is a single 600 second image.
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Mike Olason

About Mike Olason

I started imaging comets in 1994 with an ST-5 CCD Camera and an 11" SC Telescope. Since then the CCD cameras have changed (ST-7, ST-402ME and STF-8300M), but I am still using the 11" SC Telescope. Naturally I have used a lot of smaller telescopes to obtain larger fields of view. I live south of Denver at an elevation of 6150 feet which allows me to image comets down to almost magnitude 21 on a perfect night. Unfortunately ChemTrails have turned Denver cloudy and dry. I use the camera software CCDOps to process my images. All I do to each image is dark subtraction and flat field, stack images as required to show faint comets, contrast/bright adjust the final image and maybe use a median filter to reduce the image noise. The result is an image that reflects reality and will never win any picture of the day award. If you would like to use my images for a project or ask a question send me an email to "".
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