Sunday, 12 May 2013

NGC4435 and NGC4438: The Eyes

These galaxies lies deep within the Virgo cluster at a distance of about 52 million light years . This image was taken using a ten inch f/4.8 reflector with PHD auto guiding .This is a composition of two images taken using two CCD cameras. An Atik 314L was used for the core luminance and the surrounding luminance with an Atik 383L mono camera  . The exposure times was 60 minutes using 60 second sub frames using the Atik 314L camera and 30 minutes for each colour filter with five minute sub frames using the Atik 383L camera .