Star Cluster Editions

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.

Melotte - Raab - Trumpler - Collinder - Berkeley - Czernik - King - Stock - Van den Bergh-Hagen - Palomar - Terzan - Tombaugh - Dolidze - Dolidze-Dzimselejsvili - Basel - Roslund - Ruprecht - Pismis - LyngΓ₯ - Hogg - Harvard - Haffner - Pfleiderer

Melotte star clusters

CSOG 3.0 - Melotte star clusters

Philibert Jacques Melotte's catalog of star clusters.

1915MmRAS..60..175M

Updated: 22 September 2025 - V3.0.1

Observing guides (pages): 322 (718)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 73
Argo Navis User Catalogs: 74

Downloads
  • 1 of 3: sequentially
  • 2 of 3: Andromeda through Octans
  • 3 of 3: Ophiuchus through Vulpecula

164 open clusters
80 globular clusters

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Raab open clusters

CSOG 3.0 - Raab open clusters

Sigfrid Raab's catalog of 151 open clusters.

1922MeLuS..28....3R

Updated: 22 September 2025 - V3.0.1

Observing guides (pages): 187 (437)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 33
Argo Navis User Catalogs: 34

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Trumpler open clusters

CSOG 3.0 - Trumpler open clusters

Robert Julius Trumpler's catalog of 37 open clusters.

1930LicOB..14..154T

Updated: 22 September 2025 - V3.0.1

Observing guides (pages): 56 (121)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 18
Argo Navis User Catalogs: 19

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Collinder star clusters

CSOG 3.0 - Collinder star clusters

Per Collinder's catalog of star clusters.

1931AnLun...2....1C

Updated: 22 September 2025 - V3.0.1

Observing guides (pages): 524 (1384)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 47
Argo Navis User Catalogs: 48

Downloads
  • 1 of 4: sequentially
  • 2 of 4: Andromeda through Crux
  • 3 of 4: Cygnus through Perseus
  • 4 of 4: Puppis through Vulpecula

451 open clusters
10 globular clusters
1 asterism
1 non-existent

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MH
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Berkeley star clusters

CSOG 3.0 - Berkeley star clusters

Harold Weaver's and Arthur Setteducati's catalog of star clusters.

Updated: 22 September 2025 - V3.0.1

Observing guides (pages): 20 (81)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 18
Argo Navis User Catalogs: 19

103 open clusters
1 globular cluster

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Czernik star clusters

CSOG 3.0 - Czernik star clusters

Mieczyslaw Czernik's catalog of star clusters.

1966AcA....16...93C

Updated: 22 September 2025 - V3.0.1

Observing guides (pages): 17 (42)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 16
Argo Navis User Catalogs: 17

41 open clusters
2 galaxies
2 galaxy clusters

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King open clusters

CSOG 3.0 - King open clusters

Ivan King's catalog of 27 open clusters.

1949BHarO.919...41K

Updated: 22 September 2025 - V3.0.1

Observing guides (pages): 11 (25)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 10
Argo Navis User Catalogs: 11

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Stock open clusters

CSOG 3.0 - Stock open clusters

JΓΌrgen Stock's catalog of 24 open clusters.

1956ApJ...123..258S

Updated: 22 September 2025 - V3.0.1

Observing guides (pages): 9 (24)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 8
Argo Navis User Catalogs: 9

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Van den Bergh-Hagen star clusters

CSOG 3.0 - Van den Bergh-Hagen star clusters

Sidney van den Bergh and Gretchen Hagen's catalog of star clusters.

1975AJ.....80...11V

Updated: 22 September 2025 - V3.0.1

Observing guides (pages): 28 (201)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 23
Argo Navis User Catalogs: 24

234 open clusters
26 globular clusters

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Palomar globular clusters

CSOG 3.0 - Palomar globular clusters

George Abell's catalog of 15 globular clusters.

1955PASP...67..258A

Updated: 22 September 2025 - V3.0.1

Observing guides (pages): 29 (58)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 12
Argo Navis User Catalogs: 13

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Terzan globular clusters

CSOG 3.0 - Terzan globular clusters

Agop Terzan's catalog of 11 globular clusters.

1971A&A....12..477T

Updated: 22 September 2025 - V3.0.1

Observing guides (pages): 14 (32)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 2
Argo Navis User Catalogs: 3

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Tombaugh open clusters

CSOG 3.0 - Tombaugh open clusters

Clyde Tombaugh's catalog of 5 open clusters.

1938PASP...50..171T

Updated: 22 September 2025 - V3.0.1

Observing guides (pages): 4 (7)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 3
Argo Navis User Catalogs: 4

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Dolidze open clusters

CSOG 3.0 - Dolidze open clusters

Madona Dolidze's catalog of open clusters.

Updated: 22 September 2025 - V3.0.1

Observing guides (pages): 17 (62)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 15
Argo Navis User Catalogs: 16

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Dolidze-Dzimselejsvili open clusters

CSOG 3.0 - Dolidze-Dzimselejsvili open clusters

Madona Dolidze and Galina Dzimselejsvili's catalog of 11 open clusters.

Updated: 29 November 2024 - V3.0

Observing guides (pages): 6 (12)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 5
Argo Navis User Catalogs: 6

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Basel open clusters

CSOG 3.0 - Basel open clusters

Catalog of 20 open clusters.

Updated: 22 September 2025 - V3.0.1

Observing guides (pages): 13 (22)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 12
Argo Navis User Catalogs: 13

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Roslund open clusters

CSOG 3.0 - Roslund open clusters

Curt Roslund's catalog of 7 open clusters.

1960PASP...72..205R

Updated: 29 November 2024 - V3.0

Observing guides (pages): 4 (9)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 3
Argo Navis User Catalogs: 4

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Ruprecht star clusters

CSOG 3.0 - Ruprecht star clusters

Jaroslav Ruprecht's catalog of star clusters.

1966BAICz..17...33R

Updated: 22 September 2025 - V3.0.1

Observing guides (pages): 23 (135)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 19
Argo Navis User Catalogs: 20

175 open clusters
1 globular cluster

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Pismis star clusters

CSOG 3.0 - Pismis star clusters

Marie Pismis' catalog of star clusters.

1959BOTT....2r..37P

Updated: 22 September 2025 - V3.0.1

Observing guides (pages): 10 (26)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 9
Argo Navis User Catalogs: 10

25 open clusters
2 globular clusters

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LyngΓ₯ star clusters

CSOG 3.0 - LyngΓ₯ star clusters

Gosta LyngΓ₯'s catalog of star clusters.

Updated: 29 November 2024 - V3.0

Observing guides (pages): 7 (14)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 6
Argo Navis User Catalogs: 7

14 open clusters
1 globular cluster

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Hogg open clusters

CSOG 3.0 - Hogg open clusters

Arthur Robert Hogg's catalog of 23 open clusters.

1965PASP...77..440H

Updated: 29 November 2024 - V3.0

Observing guides (pages): 8 (20)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 7
Argo Navis User Catalogs: 8

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Harvard open clusters

CSOG 3.0 - Harvard open clusters

Catalog of 21 open clusters.

Updated: 29 November 2024 - V3.0

Observing guides (pages): 12 (22)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 11
Argo Navis User Catalogs: 12

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Haffner open clusters

CSOG 3.0 - Haffner open clusters

Hans Haffner's catalog of 27 open clusters.

1957ZA.....43...89H

Updated: 29 November 2024 - V3.0

Observing guides (pages): 4 (21)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 3
Argo Navis User Catalogs: 4

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Pfleiderer star clusters

CSOG 3.0 - Pfleiderer star clusters

JΓΆrg Pfleiderer's catalog of star clusters.

Updated: 29 November 2024 - V3.0

Observing guides (pages): 4 (7)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 3
Argo Navis User Catalogs: 4

3 open clusters
1 globular cluster

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