Blog:   Tim's Astronomy Blog     Posted:   Thursday 25th of October 2007 7:57 PM

Now that the full moon is blazing brightly in the night sky (made even brighter by being in perigee) I am taking some time to go back over the images of M31 collected two weeks ago under the dark skies of the new moon. I spent two nights in a row collecting 5 minute, 3 minute, and one minute exposures at ISO 800. In hindsight I should have just taken a lot of 5 minute exposures and a few short ones, but I was curious if I could get close to the same result with a lot of 3-minute exposures....