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.
Hubble - McDonald - Cederblad - Minkowski - Strohmeier - Courtès - Simeis - Gaze-Shajn - Stromlo - Münch - Abell - Sharpless - Herbig - Struve-Straka - Dorschner-Gürtler - Parsamian - Van den Bergh RNeb's - Rojkovskij-Kurchakov - Bernes - Neckel-Staude - the Veil Nebula - Pleiades Nebulae - Humason - Merrill - Peimbert-BÑtiz / Costero - Kazarian - Kazarian-Parsamian - Sharpless-Osterbrock - Vorontsov-Vel'yaminov Nebulae - Van den Bergh (suspected) SNR's
Hubble Nebulae
Nebulae by Edwin Hubble.
1921PASPβ¦33..174H
1922ApJ 56. . 162H
Updated: 22 September 2025 - V3.0.1
Observing guides (pages): 77 (186)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 25
Argo Navis User Catalogs: 26
57 nebulae
13 planetary nebulae
3 supernova remnants
1 galaxy
1 region
Click here to review the CSOG image orientations
Unmirrored
MH
MV
MHV
McDonald Nebulae & Regions
Nebulae and regions by Otto Struve, Christian Elvey and Walter Linke.
1938ApJβ¦.87..559S
1938ApJβ¦.88..364S
1939ApJβ¦.89..119S
1939ApJβ¦.89..517S
1939ApJβ¦.90..301S
Updated: 22 September 2025 - V3.0.1
Observing guides (pages): 80 (127)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 29
Argo Navis User Catalogs: 30
1 open cluster
36 nebulae
1 galaxy
1 galaxy cluster
37 regions
Click here to review the CSOG image orientations
Unmirrored
MH
MV
MHV
Cederblad Nebulae
Nebulae by Sven Cederblad.
Updated: 22 September 2025 - V3.0.1
Observing guides (pages): 317 (656)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 70
Argo Navis User Catalogs: 71
Downloads
- 1 of 2: Aquarius through Monoceros
- 2 of 2: Musca through Vulpecula
7 open clusters
2 globular clusters
218 nebulae
5 planetary nebulae
4 nova shells
8 supernova remnants
4 galaxies
20 regions
3 star clouds
1 asterism
1 double star
34 non-existent
Click here to review the CSOG image orientations
Unmirrored
MH
MV
MHV
Minkowski Nebulae
Rudolph Minkowski's catalogs of nebulae.
1946PASP...58..305M - Minkowski 1
1947PASP...59..257M - Minkowski 2
1948PASP...60..386M - Minkowski 3
Updated: 22 September 2025 - V3.0.1
Observing guides (pages): 312 (775)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 44
Argo Navis User Catalogs: 45
Downloads
- 1 of 2: Andromeda through Sagitta
- 2 of 2: Sagittarius through Vulpecula
42 nebulae
206 planetary nebulae
1 supernova remnant
1 galaxy
6 stars
Click here to review the CSOG image orientations
Unmirrored
MH
MV
MHV
Strohmeier Nebulae
Red nebulae in the winter Milky Way by Wolfgang Strohmeier.
Updated: 22 September 2025 - V3.0.1
Observing guides (pages): 43 (84)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 5
Argo Navis User Catalogs: 6
1 open cluster
40 nebulae
1 supernova remnant
2 non-existent
Click here to review the CSOG image orientations
Unmirrored
MH
MV
MHV
Courtès Nebulae
Nebulae by Georges Courtès.
1951CRASB.232..795C
1951CRASB.232.1283C
Updated: 22 September 2025 - V3.0.1
Observing guides (pages): 156 (252)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 23
Argo Navis User Catalogs: 24
1 open cluster
129 nebulae
1 supernova remnant
7 regions
11 star clouds
Click here to review the CSOG image orientations
Unmirrored
MH
MV
MHV
Simeis Nebulae
Vera Fedorovna Gaze and Grigory Abramovich Shajn's Simeis nebulae.
1950IzKryβ¦6β¦.3S
1951IzKryβ¦7β¦93G
1952IzKryβ¦9β¦52G
1954IzKry..11β¦39G
1955IzKry..15β¦11G
Updated: 22 September 2025 - V3.0.1
Observing guides (pages): 311 (568)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 41
Argo Navis User Catalogs: 42
Downloads
- 1 of 3: Aquila through Cepheus
- 2 of 3: Cygnus
- 3 of 3: Eridanus through Vulpecula
2 open clusters
246 nebulae
4 regions
5 planetary nebulae
32 supernova remnants
6 galaxies
6 star clouds
2 non-existent
Click here to review the CSOG image orientations
Unmirrored
MH
MV
MHV
Gaze-Shajn Nebulae
All objects in Vera Fedorovna Gaze and Grigory Abramovich Shajn's 5 papers, including all Simeis objects.
1950IzKryβ¦6β¦.3S - Gaze-Shajn 1
1951IzKryβ¦7β¦93G - Gaze-Shajn 2
1952IzKryβ¦9β¦52G - Gaze-Shajn 3
1954IzKry..11β¦39G - Gaze-Shajn 4
1955IzKry..15β¦11G - Gaze-Shajn 5
Updated: 22 September 2025 - V3.0.1
Observing guides (pages): 469 (871)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 51
Argo Navis User Catalogs: 52
Downloads
- 1 of 3: Aquila through Cepheus
- 2 of 3: Cygnus
- 3 of 3: Eridanus through Vulpecula
2 open clusters
6 globular clusters
361 nebulae
15 regions
12 planetary nebulae
44 supernova remnants
12 galaxies
7 star clouds
2 non-existent
Click here to review the CSOG image orientations
Unmirrored
MH
MV
MHV
Stromlo Nebulae
Colin Stanley Gum's nebulae.
Updated: 22 September 2025 - V3.0.1
Observing guides (pages): 97 (198)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 25
Argo Navis User Catalogs: 26
81 nebulae
5 regions
4 planetary nebulae
1 supernova remnant
Click here to review the CSOG image orientations
Unmirrored
MH
MV
MHV
MΓΌnch Nebulae
Luis MΓΌnch's nebulae.
Updated: 22 September 2025 - V3.0.1
Observing guides (pages): 32 (65)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 6
Argo Navis User Catalogs: 7
27 nebulae
3 planetary nebulae
2 supernova remnants
Click here to review the CSOG image orientations
Unmirrored
MH
MV
MHV
Abell Nebulae
George Abell's catalog of nebulae.
1955PASP...67..258A
1966ApJ...144..259A
Updated: 22 September 2025 - V3.0.1
Observing guides (pages): 127 (267)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 36
Argo Navis User Catalogs: 37
2 nebulae
79 planetary nebulae
1 supernova remnant
3 galaxies
2 non-existent
Click here to review the CSOG image orientations
Unmirrored
MH
MV
MHV
Sharpless Nebulae
Stewart Sharpless' nebulae.
1953ApJβ¦118..362S - Sharpless 1
1959ApJSβ¦.4..257S - Sharpless 2
Updated: 22 September 2025 - V3.0.1
For objects that are included in both the first (1953, Sh1-) and the second paper (1959, Sh2-), Sharpless 1 is used as the primary Sharpless designation; where applicable, catalog information is used from the second paper.
Observing guides (pages): 336 (665)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 55
Argo Navis User Catalogs: 58
Downloads
- 1 of 2: Aquila through Lyra
- 2 of 2: Monoceros through Vulpecula
276 nebulae
1 dark nebula
1 integrated flux nebula
15 regions
19 planetary nebulae
9 supernova remnants
2 galaxies
1 star cloud
3 non-existent
Click here to review the CSOG image orientations
Unmirrored
MH
MV
MHV
Herbig Nebulae
Nebulae by George Herbig.
Updated: 22 September 2025 - V3.0.1
Observing guides (pages): 40 (112)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 11
Argo Navis User Catalogs: 12
22 nebulae
2 Herbig-Haro objects
1 star
Click here to review the CSOG image orientations
Unmirrored
MH
MV
MHV
Struve-Straka Nebulae
Nebulae by Otto Lyudvigovich Struve and William Charles Straka.
Published: 22 September 2025 - V3.0
Observing guides (pages): 73 (153)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 15
Argo Navis User Catalogs: 16
60 nebulae
1 dark nebula
4 galaxies
2 non-existent
Click here to review the CSOG image orientations
Unmirrored
MH
MV
MHV
Dorschner-GΓΌrtler Nebulae
Nebulae by Johann Dorschner and Josef GΓΌrtler.
Published: 22 September 2025 - V3.0
Observing guides (pages): 188 (399)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 28
Argo Navis User Catalogs: 29
175 nebulae
2 dark nebulae
1 region
2 planetary nebulae
3 galaxies
5 non-existent
Click here to review the CSOG image orientations
Unmirrored
MH
MV
MHV
Parsamian Cometary Nebulae
Elma Parsamian's catalog of cometary nebulae.
Click here for the article on this website about the original Parsamian Cometary Nebulae catalog.
Updated: 22 September 2025 - V3.0.1
Observing guides (pages): 33 (76)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 9
Argo Navis User Catalogs: 10
22 nebulae
1 galaxy
Click here to review the CSOG image orientations
Unmirrored
MH
MV
MHV
Van den Bergh Reflection Nebulae
158 Nebulae by Sidney van den Bergh.
Published: 22 September 2025 - V3.0
Observing guides (pages): 158 (329)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 24
Argo Navis User Catalogs: 25
Click here to review the CSOG image orientations
Unmirrored
MH
MV
MHV
Rojkovskij-Kurchakov Nebulae
118 Nebulae by D.A. Rojkovskij and A.V. Kurchakov.
Published: 22 September 2025 - V3.0
Observing guides (pages): 112 (245)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 19
Argo Navis User Catalogs: 20
Click here to review the CSOG image orientations
Unmirrored
MH
MV
MHV
Bernes Bright Nebulae
160 Nebulae by Claes Bernes.
Published: 22 September 2025 - V3.0
Observing guides (pages): 155 (367)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 26
Argo Navis User Catalogs: 27
Click here to review the CSOG image orientations
Unmirrored
MH
MV
MHV
Neckel-Staude Nebulae
Nebulae by Thorsten Neckel and H.J. Staude.
Published: 22 September 2025 - V3.0
Observing guides (pages): 20 (42)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 12
Argo Navis User Catalogs: 13
15 nebulae
2 planetary nebulae
2 galaxies
1 non-existent
Click here to review the CSOG image orientations
Unmirrored
MH
MV
MHV
The Veil Nebula
The supernova remnant in the constellations of Cygnus and Vulpecula.
Updated: 22 September 2025 - V3.0.1
Observing guides (pages): 53 (134)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 1
Argo Navis User Catalogs: 1
Click here to review the CSOG image orientations
Unmirrored
MH
MV
MHV
Pleiades Nebulae
Nebulae in the open cluster Messier 45 - "the Pleiades".
Updated: 22 September 2025 - V3.0.1
Observing guides (pages): 17 (47)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 1
Argo Navis User Catalogs: 1
Click here to review the CSOG image orientations
Unmirrored
MH
MV
MHV
Humason Planetary Nebulae
3 Planetary nebulae by Milton Humason.
1921PASPβ¦33..175H
1922PASPβ¦34..296H
Updated: 22 September 2025 - V3.0.1
Observing guides (pages): 7 (14)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 3
Argo Navis User Catalogs: 4
Click here to review the CSOG image orientations
Unmirrored
MH
MV
MHV
Merrill Planetary Nebulae
3 Planetary nebulae by Paul Willard Merrill.
1941PASPβ¦53..245M
1942PASPβ¦54Q.107M
Published: 22 September 2025 - V3.0
Observing guides (pages): 7 (12)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 3
Argo Navis User Catalogs: 4
Click here to review the CSOG image orientations
Unmirrored
MH
MV
MHV
Peimbert-BΓ‘tiz & Peimbert-Costero Planetary Nebulae
Planetary nebulae by Manuel Peimbert, Gerardo BΓ‘tiz and Rafael Costero.
1960BOTTβ¦.2s..19P
1961BOTTβ¦.3β¦33P
Published: 22 September 2025 - V3.0
Observing guides (pages): 37 (76)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 12
Argo Navis User Catalogs: 13
23 planetary nebulae
1 star
Click here to review the CSOG image orientations
Unmirrored
MH
MV
MHV
Kazarian Nebulae
Nebulae by Gagik Ter-Kazarian.
1966Afzβ¦..2..371K
1976Afzβ¦.12..385K
Updated: 22 September 2025 - V3.0.1
Observing guides (pages): 9 (16)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 4
Argo Navis User Catalogs: 5
2 nebulae
1 planetary nebula
1 star
Click here to review the CSOG image orientations
Unmirrored
MH
MV
MHV
Kazarian-Parsamian Nebulae
Nebulae by Gagik Ter-Kazarian and Elma Parsamian.
Updated: 22 September 2025 - V3.0.1
Observing guides (pages): 14 (31)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 4
Argo Navis User Catalogs: 5
2 nebulae
1 planetary nebula
1 star
Click here to review the CSOG image orientations
Unmirrored
MH
MV
MHV
Sharpless-Osterbrock Nebulae
Nebulae by Stewart Sharpless and Donald Osterbrock.
Updated: 22 September 2025 - V3.0.1
Observing guides (pages): 16 (35)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 11
Argo Navis User Catalogs: 12
15 nebulae
1 region
Click here to review the CSOG image orientations
Unmirrored
MH
MV
MHV
Vorontsov-Vel'yaminov Nebulae
Nebulae by Boris Vorontsov-Vel'yaminov.
Updated: 22 September 2025 - V3.0.1
Observing guides (pages): 17 (31)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 6
Argo Navis User Catalogs: 7
7 nebulae
1 planetary nebula
1 non-existent
Click here to review the CSOG image orientations
Unmirrored
MH
MV
MHV
Van den Bergh (suspected) Supernova Remnants
24 (suspected) Supernova remnants and filamentary nebulae suspected to be supernova remnants by Sidney van den Bergh.
Updated: 22 September 2025 - V3.0.1
Observing guides (pages): 24 (47)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 7
Argo Navis User Catalogs: 8
Click here to review the CSOG image orientations