Comet C/2017 T1 Heinze a New Year Comet

Mike Olason
Location of photo
Denver Colorado
Date/Time of photo
22 October 2017, 1113UT
11" SCT f/6.4 and STF-8300M CCD Camera
According to current ephemeris Comet C/2017 T1 Heinze will pass only 20 million miles from Earth in the early morning hours of 4 January 2018. It will be about magnitude 9 and will be moving at about 1/3 degree per hour across Earth's night sky. In these images the comet is about magnitude 17 and is 210 million miles from Earth. The comet has a short fan shaped tail above the coma. The upper right insets are a single 300 second image of the comet.
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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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