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Astrotreff's Objects of the Month - 2025

Astrotreff's
Objects of the Month - 2025

Observing Guides in all four CSOG image orientations for Astrotreff's Objects of the Month in the year 2025.
Use the buttons to download the Observing Guides, click the object's name to visit the corresponding page on the Astrotreff forum. Please read Downloading CSOG and iPad Astronomy.

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January - February - March - April - May - June - July - August

Registration is not required to download the current Object(s) of the Month

August

Humason Planetary Nebulae

CSOG 3.0 - Humason Planetary Nebulae

3 Planetary nebulae by Milton Humason.

1921PASP…33..175H
1922PASP…34..296H

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

Astrotreff forum