Saturday 15 December 2012

The Running Man Nebula and a Polar Ring Galaxy

NGC1977. This bright reflection nebula lies in the constellation of Orion at a distance of
about 1,500 light years . It is commonly named the Running Man nebula.This image was
captured using an Atik 383L ccd camera, a ten inch f/4.8 reflector with PHD auto guiding.
The total exposure times were 30 minutes using RGB filters and 60 minutes using a H-alpha
filter .Five minute sub-frames and dark-frames were captured making a total exposure time
of 180 minutes:



NGC660. This galaxy lies in the constellation of Pises at a distance of about 20 million
light years. It is classified as a polar ring galaxy. Five minute sub-frames and dark-
frames were captured making total exposure times of 20 minutes using RGB filters and 60
minutes using a H-alpha filter for luminance. An Atik 383L CCD camera was used with a ten
inch f/4.8 reflector using PHD auto guiding.