New CSOG editions for star parties will be available for download, without the need for registration, for the duration of the star party.
If you would like to see CSOG content for other star parties, please let me know.
Click the Index button to download only an edition's index pdf, click the Planfile & Tours button to download only the AstroPlanner planfile(s) and tours. Use the green download button(s) to download a complete edition in the image orientation of your choice.
Please read Downloading CSOG, the CSOG Release Notes and the article iPad Astronomy.
Starnights 2025 - Stellafane 2025 - Eldorado 2025 - Texas Star Party 2025 - Texas Star Party Binocular Programs
Starnights 2025 - Observing Program
The Observing Program for Starnights 2025.
Updated: 22 September 2025
Observing guides (pages): 40 (94)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 19
Argo Navis User Catalogs: 20
3 carbon stars
9 open clusters
4 globular clusters
2 nebulae
11 planetary nebulae
2 supernova remnants
9 galaxies & galaxy groups
Click here to review the CSOG image orientations
Unmirrored
MH
MV
MHV
Starnights 2025 - Challenge Observing Program
The Challenge Observing Program for Starnights 2025.
Updated: 22 September 2025
Observing guides (pages): 40 (110)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 20
Argo Navis User Catalogs: 21
3 carbon stars
3 open clusters
1 globular cluster
10 nebulae
1 region
8 planetary nebulae
1 supernova remnant
12 galaxies & galaxy groups
1 quasar
1 star cloud
Click here to review the CSOG image orientations
Unmirrored
MH
MV
MHV
Starnights 2025 - Binocular Observing Program
The Binocular Observing Program for Starnights 2025.
Updated: 22 September 2025
Observing guides (pages): 40 (54)
Index files: 1
AstroPlanner planfiles: 1
15 open clusters
6 globular clusters
4 nebulae
2 dark nebulae
3 planetary nebula
1 supernova remnant
3 galaxies & galaxy groups
3 asterisms
Stellafane 2025 - Observing Olympics
The objects in the Stellafane 2025 Observing Olympics, in CSOG format.
Updated: 22 September 2025
Observing guides (pages): 29 (72)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 13
Argo Navis User Catalogs: 14
3 open clusters
3 globular clusters
4 nebulae
3 dark nebula
3 planetary nebulae
2 supernova remnants
7 galaxies & galaxy groups
2 quasars
Click here to review the CSOG image orientations
Unmirrored
MH
MV
MHV
Stellafane 2025 - Binocular Observing Olympics VII
The objects in the Stellafane 2025 Binocular Observing Olympics VII, in CSOG format.
Updated: 22 September 2025
Observing guides (pages): 19 (29)
Index files: 1
AstroPlanner planfiles: 1
2 stars
5 open clusters
2 globular clusters
3 nebulae
1 dark nebula
3 planetary nebula
3 galaxy
2 asterisms
Eldorado Star Party - 2025
The objects in the Eldorado 2025 Star Party observing program, in CSOG format.
This list of objects was provided by the Eldorado Star Party.
Published: 15 October 2025
Observing guides (pages): 26 (64)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 10
Argo Navis User Catalogs: 11
1 carbon star
8 open clusters
5 nebulae
1 planetary nebulae
9 galaxies & galaxy groups
2 double stars
Click here to review the CSOG image orientations
Unmirrored
MH
MV
MHV
Texas Star Party 2025 - Regular Observing Program
The objects in the Regular Observing Program for the 2025 Texas Star Party, in CSOG format.
Updated: 22 September 2025
Observing guides (pages): 39 (96)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours / Argo Navis User Catalogs: 26
4 open clusters
7 globular clusters
2 nebulae
8 planetary nebulae
1 protoplanetary disk
16 galaxies & galaxy groups
1 star cloud
1 double star
Click here to review the CSOG image orientations
Unmirrored
MH
MV
MHV
Texas Star Party 2025 - Advanced Observing Program
The objects in the Advanced Observing Program for the 2025 Texas Star Party, in CSOG format.
Updated: 22 September 2025
Observing guides (pages): 43 (108)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours / Argo Navis User Catalogs: 25
2 open clusters
4 globular clusters
3 nebulae
5 dark nebulae
4 planetary nebulae
1 protoplanetary disk
3 supernova remnants
13 galaxies & galaxy groups
1 galaxy cluster
4 quasars
2 stars
1 asterism
Click here to review the CSOG image orientations
Unmirrored
MH
MV
MHV
Texas Star Party - Binocular Observing Program
The objects in the Binocular Observing Program for the 2025 Texas Star Party, in CSOG format.
Updated: 22 September 2025
Observing guides (pages): 50 (68)
Index files: 1
AstroPlanner planfiles: 1
30 open clusters
14 globular clusters
3 nebulae
1 planetary nebula
1 galaxy
1 star cloud
Texas Star Party - Challenge Binocular Program
The objects in the Challenge Binocular Program for the 2025 Texas Star Party, in CSOG format.
Updated: 22 September 2025
Observing guides (pages): 25 (38)
Index files: 1
AstroPlanner planfiles: 1
6 globular clusters
19 galaxies & galaxy groups
Texas Star Party - Binocular Program from "Hell"
The objects in the Binocular Program from "Hell" for the 2025 Texas Star Party, in CSOG format.
Updated: 22 September 2025
Observing guides (pages): 25 (41)
Index files: 1
AstroPlanner planfiles: 1
1 globular cluster
1 planetary nebula
23 galaxies & galaxy groups