Deep Sky Forum's
Objects of the Week - 2025
Observing Guides in all four CSOG image orientations for Deep Sky Forum's Objects of the Week in the year 2025.
Use the buttons to download the Observing Guides, click the object's name to visit the corresponding post on Deep Sky Forum. Please read Downloading CSOG and iPad Astronomy.
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Week 25
Open cluster Messier 6 (NGC6405 - Lacaille III.12) - the "Butterfly Cluster" in Scorpius


This object is included in CSOG's:
Constellation editions by telescope aperture
Messier editions
Lacaille editions
Melotte Star Clusters edition
Raab Open Clusters edition
Collinder Star Clusters edition
Van den Bergh-Hagen Star Clusters edition
Burnham's Celestial Handbook - DSO's edition
Named Objects edition
ASSA Top-100 observing program
Week 23
Galaxy pair Arp 254 (NGC5917 & MCG-01-39-003 - the "Hooked Galaxy") in Libra


Week 21
The center of the galaxy cluster Abell 1060 - the "Hydra Cluster" in Hydra


Week 18
Galaxy group Vorontsov-Vel'yaminov 560 - "the Sickle" in Hercules





Week 12
Planetary nebula Haro 4-1 - "the Haro Berenice" in Coma Berenices





Week 9
Galaxy pair Vorontsov-Vel'yaminov 541 (PGC93099 & NGC2750) in Cancer



Week 6
Galaxy group PGC46423, PGC790153, PGC790216 & PGC4681588 in Hydra

