glenc
25-07-2013, 01:40 AM
The new book Deep-Sky Companions: Southern Gems by Stephen James O'Meara (http://www.cambridge.org/us/academic/subjects/astronomy/amateur-and-popular-astronomy/deep-sky-companions-southern-gems#bookPeople)
includes 120 bright southern star clusters, nebulae and galaxies.
Here are wikisky images of all of the 120 Southern Gems
https://picasaweb.google.com/110048826379679252146/SouthernGems?authkey=Gv1sRgCNmBqrC6 xdOrLw#
Most of the images have the same field (56') so that you can compare object sizes.
Planetary nebulae have a 28' filed.
It is possible to observe most of these objects in one night at this time of the year.
Refr http://www.cambridge.org/us/academic/subjects/astronomy/amateur-and-popular-astronomy/deep-sky-companions-southern-gems
includes 120 bright southern star clusters, nebulae and galaxies.
Here are wikisky images of all of the 120 Southern Gems
https://picasaweb.google.com/110048826379679252146/SouthernGems?authkey=Gv1sRgCNmBqrC6 xdOrLw#
Most of the images have the same field (56') so that you can compare object sizes.
Planetary nebulae have a 28' filed.
It is possible to observe most of these objects in one night at this time of the year.
Refr http://www.cambridge.org/us/academic/subjects/astronomy/amateur-and-popular-astronomy/deep-sky-companions-southern-gems