Comet C/2015 ER61 Panstarrs in the Moon’s Glare

Mike Olason
Location of photo
Denver Colorado
Date/Time of photo
23 March 2017, 1137UT
1" Refractor Finderscope and ST-402ME CCD Camera
Magnitude 9 Comet C/2015 ER61 Panstarrs is only 10 degrees from the 23% illuminated Moon in this 3.9 degree by 2.6 degree image. The Moon's glare shows up as different shades of red, green and blue in the image as its reflections are seen from different atmospheric conditions (thin clouds, pollution, etc) during the collection of each separate red, green and blue image which are combined to make the color 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 about magnitude 20.5 on a clear night. I give permission to anyone who may want to use my images for a project or article, especially school projects. All that I ask is that if you use some of my images that you give me credit for taking the images. I have 1000s of comet images so if you would like more images of the same comet on a different date, other comets or would like to ask a question about one of my comet images send me an email to "".
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