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 24
Planetary nebula Humason 2-1 in Hercules
This object is included in CSOG's:
8-10" & 12-14" Constellation editions
Humason Planetary Nebulae edition
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 19
Week 18
Galaxy group Vorontsov-Vel'yaminov 560 - "the Sickle" in Hercules
Week 16
Click here to review the CSOG image orientations
Unmirrored
MH
MV
MHV
Open cluster IC2602 (Lacaille II.9) - the "Southern Pleiades" in Carina
Open cluster Melotte 101 in Carina
Planetary nebula Henize 2-51 in Carina
Open cluster ESO92-18 in Carina
Week 15
Click here to review the CSOG image orientations
Unmirrored
MH
MV
MHV
Week 14
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
