Messier
Lacaille
Dunlop
Herschel 400
Herschel II
Herschel 3
Herschel
Caldwell
Bennett
Galaxy Editions
Arp Peculiar Galaxies
Hickson Compact Galaxy Groups
Holmberg Double and Multiple Galaxies
Holmberg Galaxies
Rose Compact Groups of Galaxies
Klemola Groups and Clusters of Southern Galaxies
Markarian’s Chain
Fornax Galaxy Cluster
Dorado Group
Eridanus Cluster
Sculptor Group
Grus Galaxy Chain
Nebulae Editions
Abell Nebulae
Minkowski
Parsamyan Catalogue of Cometary Nebulae
Star Cluster Editions
Collinder star clusters
Melotte star clusters
Berkeley star clusters
Czernik star clusters
Trumpler open clusters
King open clusters
Stock open clusters
Van den Bergh-Hagen open clusters
Palomar globular clusters
Terzan globular clusters
Tombaugh open clusters
Raab open clusters
Dolidze open clusters
Dolidze-Dzimselejsvili open clusters
Basel open clusters
Roslund open clusters
Ruprecht star clusters
Pismis star clusters
Lynga star clusters
Hogg open clusters
Harvard open clusters
Haffner open clusters
Pfleiderer star clusters
Observing Programs
ASSA Top-100
Other Editions
Burnham’s Celestial Handbook – Deep Sky Objects
LMC Regions
Named Objects
In order to keep the bots at bay and to keep CSOG downloads in control, I have added a registration and login page to the website. All that is required to download CSOG content is a username and a password.
I am contemplating to publish CSOG 2.4 as an interim update. Despite I am almost ready to push only two new editions, for northern (KTG) and southern (KTS) Karachentseva triples, the updates to and enhancements of existing content will be quite substantial.
I created an account then got a message saying I was temporarily blocked from the site. Today I tried again but still no access. I never received an email with the activation link when I created my account. These look like they are very nice but I can't get to them.