Webb Deep-Sky Society's
Objects of the Season
Observing Guides for all the Webb's Deep-Sky Society's Objects of the Season, since the year 2014.
Use the buttons to download the Observing Guides. Please read Downloading CSOG and iPad Astronomy.
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All Objects of the Season
All the Webb Deep-Sky Society's Objects of the Season.
This CSOG download will be updated with every new Object of the Season.
updated: 31 May 2025
Observing guides (pages): 32 (79)
Index files: 1
2 open clusters
4 nebulae
13 planetary nebulae
8 galaxies
2 galaxy groups
2 supernova remnants
1 other
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Summer 2025
Planetary nebula NGC6543 - the "Cat's Eye" in Draco
This object is included in CSOG's:
Constellation editions by telescope aperture
Herschel edition
Burnham's Celestial Handbook - DSO's edition
Named Objects edition
Herschel 400 observing program
Caldwell edition
Webb Deep-Sky Society's Object of the Month - June 2023
Winter 2024
Galaxy pair NGC4038 & NGC4039 (Arp 244) - the "Antennae Galaxies" in Corvus
Autumn 2024
Emission nebula NGC1499 - the "California Nebula" in Perseus
Winter 2023
Reflection nebula NGC1788 & dark nebula Lynds 1616 - the "Cosmic Bat" in Orion
Summer 2023
Planetary nebula Messier 57 (NGC6720) - the "Ring Nebula" in Lyra
Winter 2022
Galaxy NGC4565 - the "Needle Galaxy" in Coma Berenices
Spring 2022
Galaxy Messier 82 (NGC3034, Arp 337) - the "Cigar Galaxy" in Ursa Major
Winter 2021
Planetary nebula NGC1514 - the "Crystal Ball Nebula" in Taurus
Summer 2021
Planetary nebula NGC6826 - the "Blinking Planetary" in Cygnus
Spring 2021
Planetary nebula NGC3242 - the "Ghost of Jupiter" in Hydra
Summer 2020
Planetary nebula PK 080-06.1 - the "Egg Nebula" in Cygnus
Winter 2019
Planetary nebula NGC6309 - the "Box Nebula" in Ophiuchus
Summer 2019
Galaxy Messier 108 (NGC3556) - the "Surfboard Galaxy" in Ursa Major
Spring 2019
Planetary nebula NGC6781, the - "Snowglobe Nebula" in Aquila
Autumn 2018
Emission nebula NGC7635 - the "Bubble Nebula" in Cassiopeia
Spring 2018
Galaxy Messier 104 (NGC4594) - the "Sombrero Galaxy" in Virgo
Winter 2017
Supernova remnant Messier 1 (NGC1952) - the "Crab Nebula" in Taurus
Autumn 2017
Galaxy NGC253 - the "Silver Coin Galaxy" in Sculptor
Summer 2017
Supernova remnant the "Veil Nebula" in Cygnus & Vulpecula
Spring 2017
Galaxy NGC2537 (Arp 6) - the "Bear Paw Galaxy" in Lynx
Winter 2016
Planetary nebula Yerkes-McDonald 29 - the "Medusa Nebula" in Gemini
Autumn 2016
Reflection nebula NGC1333 - the "Embryo Nebula" in Perseus
Summer 2016
Planetary nebula NGC7009 - the "Saturn Nebula" in Aquarius
Spring 2016
Winter 2015
Autumn 2015
Planetary nebula NGC1501 - the "Oyster Nebula" in Camelopardalis
Spring 2015
Planetary nebula NGC6572 - the "Emerald Nebula" in Ophiuchus
Winter 2014
Galaxy NGC4449 - the "Box Galaxy" in Canes Venatici
Autumn 2014
Open clusters Messier 35 (NGC2168), NGC2158 & IC2157 in Gemini
Summer 2014
Planetary nebula NGC40 - the "Bow Tie Nebula" in Cepheus
