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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December
Double star "Sirius & the Pup" - Alpha Canis Majoris (Clark 1 - WDS06451-1643) in Canis Major

This object is included in CSOG's:
November
Planetary nebula NGC1514 - the "Crystal Ball Nebula" in Taurus


October
Planetary nebula NGC7009 - the "Saturn Nebula" in Aquarius


September
Globular cluster Messier 15 (NGC7078) - the "Great Pegasus Cluster" & planetary nebula Pease 1 in Pegasus




August
Humason Planetary Nebulae
3 Planetary nebulae by Milton Humason.
1921PASPβ¦33..175H
1922PASPβ¦34..296H
Observing guides (pages): 7 (14)
Index files: 1
AstroPlanner planfiles: 1
Autostar Tours / NexTours / EQTours: 3
Argo Navis User Catalogs: 4
July
Open cluster NGC6811 - "Hole in a Cluster" in Cygnus


June
Planetary nebula IC4593 - the "White Eyed Pea" in Hercules



May
Galaxy pair Messier 51 (NGC5194 - "Herschel's Ring" & NGC5195) - the "Whirlpool Galaxy" in Canes Venatici





April
Planetary nebula Purgathofer-Weinberger 1 in Lynx


March
Galaxy NGC2903 in Leo



February
Galaxy pair Holmberg 156 (NGC3079 - the "Phantom Frisbee Galaxy" & NGC3073) with MCG+09-17-009 in Ursa Major



January
Emission nebula NGC2024 - the "Flame Nebula" in Orion



