Astrotreff's
Objects of the Month - 2026
Observing Guides in all four CSOG image orientations for Astrotreff's Objects of the Month in the year 2026.
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
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June
Globular cluster NGC5466 in Boötes
This object is included in CSOG's:
Constellation editions by telescope aperture
Herschel edition
Melotte Star Clusters edition
Burnham's Celestial Handbook - DSO's edition
Herschel 400 observing program
Texas Star Party 2025 Regular Observing Program
Texas Star Party 2026 Advanced Observing Program
Deep Sky Forum's Objects of the Week 2024 - Week 21
Webb Deep-Sky Society's Objects of the Month - April 2025
May
Galaxy pair KPG 290 - NGC3718 (Arp 214) & NGC3729 in Ursa Major
April
Galaxy group Hickson 57 - "Copeland's Septet" in Leo
March
Globular cluster NGC2419 - the "Intergalactic Wanderer" in Lynx
February
Open cluster Messier 67 (NGC2682) - the "King Cobra" in Cancer
January
Emission nebula Messier 42 (NGC1976) - the "Great Orion Nebula" in Orion
