Astrotreff's
Objects of the Month - 2021
Observing Guides in all four CSOG image orientations for Astrotreff's Objects of the Month in the year 2021.
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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Download - 2021
All of Astrotreff's Objects of the Month for the year 2021.
Observing guides (pages): 17 (49)
Index files: 1
AstroPlanner planfiles: 1
4 nebulae
3 planetary nebulae
1 supernova remnant
4 galaxies
5 galaxy groups