Changes in NGC6729

Forums Deep Sky Variable Nebula Update Changes in NGC6729

Mike Harlow

My latest image of this southern variable nebula came through on Friday.  When I compared it to one taken just 23 days earlier it was clear that there had been some small changes in the nebula.  I re-processed both sets of images in the same way and then compared them side-by-side.  The negative images below show the changes.

The central region has brightened but the small knots of nebulosity extending eastwards have faded. A bigger version is on the Orwell AS web forum:

This object is certainly well worth observing regularly to monitor its long term behaviour.