the largest PNs : update
Posted 04 February 2013 - 03:59 PM
Here is an update of my large PNs collection, after a few more imaged this winter:
All the images are at the same scale, with the Moon as a reference.
Helix still missing to my collection, but a DSS-based image is also displayed for comparison (top-right).
All the information about those objects:
Posted 05 February 2013 - 05:06 AM
Posted 05 February 2013 - 04:20 PM
Posted 06 February 2013 - 02:49 PM
Posted 07 February 2013 - 04:15 PM
I hope to continue this collection soon !