Comet 2014 A4 SONEAR. 12 August, 2015.
Combination of 5, 3 minute images unfiltered.
SBIG ST9XE CCD. 12" f/10 schmidt-cassegrain with an f/6.3 focal reducer.
Comet 2014 A4 SONEAR is a very distant comet that remained around magnitude 15 for much of 2015 despite being Around 4 AU from both the Earth and the Sun.