Clear Skies
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Victor van Wulfen | https://clearskies.eu | Clear Skies Observing Guides #CSOG
- SQM is nothing. Transparency is everything.
- SQM is nothing. Transparency is everything.
An interim #CSOG update & 9 new editions:
- Struve-Straka
- Dorschner-Gürtler
- Van den Bergh
- Rojkovskij-Kurchakov
- Bernes
- Neckel-Staude
- Merrill Planetary
- Peimbert-Bátiz & Peimbert-Costero
- Herschel Regions
clearskies.eu/csog/release...
#stargazing #astronomy #csog #clearskies
- Struve-Straka
- Dorschner-Gürtler
- Van den Bergh
- Rojkovskij-Kurchakov
- Bernes
- Neckel-Staude
- Merrill Planetary
- Peimbert-Bátiz & Peimbert-Costero
- Herschel Regions
clearskies.eu/csog/release...
#stargazing #astronomy #csog #clearskies
September 23, 2025 at 9:17 AM
An interim #CSOG update & 9 new editions:
- Struve-Straka
- Dorschner-Gürtler
- Van den Bergh
- Rojkovskij-Kurchakov
- Bernes
- Neckel-Staude
- Merrill Planetary
- Peimbert-Bátiz & Peimbert-Costero
- Herschel Regions
clearskies.eu/csog/release...
#stargazing #astronomy #csog #clearskies
- Struve-Straka
- Dorschner-Gürtler
- Van den Bergh
- Rojkovskij-Kurchakov
- Bernes
- Neckel-Staude
- Merrill Planetary
- Peimbert-Bátiz & Peimbert-Costero
- Herschel Regions
clearskies.eu/csog/release...
#stargazing #astronomy #csog #clearskies
Clear Skies Blog update.
clearskies.eu/blog/astrotr...
#stargazing #astronomy #clearskies #astrotrip #blog
clearskies.eu/blog/astrotr...
#stargazing #astronomy #clearskies #astrotrip #blog
Clear Skies | Blog › Astrotrip - 28 April 2025
Right on cue - Blog 3 of 4
clearskies.eu
May 20, 2025 at 2:04 PM
Clear Skies Blog update.
clearskies.eu/blog/astrotr...
#stargazing #astronomy #clearskies #astrotrip #blog
clearskies.eu/blog/astrotr...
#stargazing #astronomy #clearskies #astrotrip #blog
A new Clear Skies Observing Guides #CSOG edition for the Double Stars in Burnham's Celestial Handbook and an update to the Struve Double Stars edition.
clearskies.eu/csog/downloa...
#stargazing #astronomy #clearskies #doublestars
clearskies.eu/csog/downloa...
#stargazing #astronomy #clearskies #doublestars
May 18, 2025 at 10:05 AM
A new Clear Skies Observing Guides #CSOG edition for the Double Stars in Burnham's Celestial Handbook and an update to the Struve Double Stars edition.
clearskies.eu/csog/downloa...
#stargazing #astronomy #clearskies #doublestars
clearskies.eu/csog/downloa...
#stargazing #astronomy #clearskies #doublestars
Clear Skies | Blog › Astrotrip - 27 April 2025
Ardenner Special - Blog 2 of 4
clearskies.eu
May 11, 2025 at 1:21 PM
Clear Skies | Blog › Astrotrip - 25 April 2025
Against all odds - Blog 1 of 4
clearskies.eu
May 6, 2025 at 2:36 PM
April 27, 2025 at 6:59 PM
5 New editions were added to the #CSOG collection:
- Lacaille Binocular
- TSP 2025 Regular Observing Program
- TSP Binocular Observing Program
- TSP Advanced Binocular Program
- TSP Binocular Program from "Hell"
1 Updated edition:
- Messier Binocular
clearskies.eu/updates/#12a...
#stargazing
- Lacaille Binocular
- TSP 2025 Regular Observing Program
- TSP Binocular Observing Program
- TSP Advanced Binocular Program
- TSP Binocular Program from "Hell"
1 Updated edition:
- Messier Binocular
clearskies.eu/updates/#12a...
#stargazing
April 12, 2025 at 12:08 PM
5 New editions were added to the #CSOG collection:
- Lacaille Binocular
- TSP 2025 Regular Observing Program
- TSP Binocular Observing Program
- TSP Advanced Binocular Program
- TSP Binocular Program from "Hell"
1 Updated edition:
- Messier Binocular
clearskies.eu/updates/#12a...
#stargazing
- Lacaille Binocular
- TSP 2025 Regular Observing Program
- TSP Binocular Observing Program
- TSP Advanced Binocular Program
- TSP Binocular Program from "Hell"
1 Updated edition:
- Messier Binocular
clearskies.eu/updates/#12a...
#stargazing
New CSOG edition - Observing program: Texas Star Party 2025
clearskies.eu/csog/downloa...
Tour files and an AstroPlanner planfile are included.
This edition is free for all - no registration required - for the duration of the TSP.
#stargazing #astronomy #CSOG #clearskies #TSP2025
clearskies.eu/csog/downloa...
Tour files and an AstroPlanner planfile are included.
This edition is free for all - no registration required - for the duration of the TSP.
#stargazing #astronomy #CSOG #clearskies #TSP2025
April 9, 2025 at 10:01 AM
New CSOG edition - Observing program: Texas Star Party 2025
clearskies.eu/csog/downloa...
Tour files and an AstroPlanner planfile are included.
This edition is free for all - no registration required - for the duration of the TSP.
#stargazing #astronomy #CSOG #clearskies #TSP2025
clearskies.eu/csog/downloa...
Tour files and an AstroPlanner planfile are included.
This edition is free for all - no registration required - for the duration of the TSP.
#stargazing #astronomy #CSOG #clearskies #TSP2025
What's new on the Clear Skies website this week?
Subscribe to receive updates by e-mail.
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Subscribe to receive updates by e-mail.
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Clear Skies – Newsletter
Weekly Clear Skies Newsletters as sent to subscribers
clearskies.eu
December 13, 2024 at 8:25 PM
What's new on the Clear Skies website this week?
Subscribe to receive updates by e-mail.
clearskies.eu/blog/newslet...
Subscribe to receive updates by e-mail.
clearskies.eu/blog/newslet...
CSOG 3.0 is published. Read all about it: clearskies.eu/csog/csog30n...
#stargazing #astronomy #clearskies #CSOG
#stargazing #astronomy #clearskies #CSOG
Clear Skies Observing Guides
CSOG 3.0 Release Notes
clearskies.eu
November 29, 2024 at 3:09 PM
CSOG 3.0 is published. Read all about it: clearskies.eu/csog/csog30n...
#stargazing #astronomy #clearskies #CSOG
#stargazing #astronomy #clearskies #CSOG
November 23, 2024 at 11:56 AM
The Clear Skies Observing Guides for Cloudy Nights' Monthly Challenge Objects for December 2024:
clearskies.eu/csog/downloa...
- Collinder 69 & Cederblad 54 in Ori
- Galaxy pair NGC2207 & IC2163 (Vorontsov-Vel'yaminov 1155) - the "Cosmic Owl" in CMa
- Reflection nebula(e) Herbig 1 in Cas
clearskies.eu/csog/downloa...
- Collinder 69 & Cederblad 54 in Ori
- Galaxy pair NGC2207 & IC2163 (Vorontsov-Vel'yaminov 1155) - the "Cosmic Owl" in CMa
- Reflection nebula(e) Herbig 1 in Cas
November 11, 2024 at 4:06 PM
The Clear Skies Observing Guides for Cloudy Nights' Monthly Challenge Objects for December 2024:
clearskies.eu/csog/downloa...
- Collinder 69 & Cederblad 54 in Ori
- Galaxy pair NGC2207 & IC2163 (Vorontsov-Vel'yaminov 1155) - the "Cosmic Owl" in CMa
- Reflection nebula(e) Herbig 1 in Cas
clearskies.eu/csog/downloa...
- Collinder 69 & Cederblad 54 in Ori
- Galaxy pair NGC2207 & IC2163 (Vorontsov-Vel'yaminov 1155) - the "Cosmic Owl" in CMa
- Reflection nebula(e) Herbig 1 in Cas
The Clear Skies Observing Guide for this week's Deep Sky Forum Object of the Week: Galaxy pair NGC507 & NGC508 (Arp 299) in Pisces.
clearskies.eu/csog/downloa...
#CSOG #OotW #stargazing #astronomy #telescope #observing #deepsky #clearskies
clearskies.eu/csog/downloa...
#CSOG #OotW #stargazing #astronomy #telescope #observing #deepsky #clearskies
November 11, 2024 at 3:58 PM
The Clear Skies Observing Guide for this week's Deep Sky Forum Object of the Week: Galaxy pair NGC507 & NGC508 (Arp 299) in Pisces.
clearskies.eu/csog/downloa...
#CSOG #OotW #stargazing #astronomy #telescope #observing #deepsky #clearskies
clearskies.eu/csog/downloa...
#CSOG #OotW #stargazing #astronomy #telescope #observing #deepsky #clearskies
The Clear Skies Observing Guide for this week's Deep Sky Forum Object of the Week: Galaxy NGC7640 in Andromeda.
clearskies.eu/csog/downloa...
#CSOG #OotW #stargazing #astronomy #telescope #observing #deepsky #clearskies
clearskies.eu/csog/downloa...
#CSOG #OotW #stargazing #astronomy #telescope #observing #deepsky #clearskies
November 4, 2024 at 4:07 PM
The Clear Skies Observing Guide for this week's Deep Sky Forum Object of the Week: Galaxy NGC7640 in Andromeda.
clearskies.eu/csog/downloa...
#CSOG #OotW #stargazing #astronomy #telescope #observing #deepsky #clearskies
clearskies.eu/csog/downloa...
#CSOG #OotW #stargazing #astronomy #telescope #observing #deepsky #clearskies
The Clear Skies Observing Guides for Astrotreff's Objects of the Month for November 2024:
clearskies.eu/csog/downloa...
- Galaxy pair Arp 78 (NGC772 - the "Fiddlehead Galaxy" & NGC770) in Aries
- Galaxy Messier 74 (NGC628) - "the Phantom" in Pisces
#stargazing #astronomy #clearskies #CSOG #OotM
clearskies.eu/csog/downloa...
- Galaxy pair Arp 78 (NGC772 - the "Fiddlehead Galaxy" & NGC770) in Aries
- Galaxy Messier 74 (NGC628) - "the Phantom" in Pisces
#stargazing #astronomy #clearskies #CSOG #OotM
October 28, 2024 at 11:05 AM
The Clear Skies Observing Guides for Astrotreff's Objects of the Month for November 2024:
clearskies.eu/csog/downloa...
- Galaxy pair Arp 78 (NGC772 - the "Fiddlehead Galaxy" & NGC770) in Aries
- Galaxy Messier 74 (NGC628) - "the Phantom" in Pisces
#stargazing #astronomy #clearskies #CSOG #OotM
clearskies.eu/csog/downloa...
- Galaxy pair Arp 78 (NGC772 - the "Fiddlehead Galaxy" & NGC770) in Aries
- Galaxy Messier 74 (NGC628) - "the Phantom" in Pisces
#stargazing #astronomy #clearskies #CSOG #OotM
The Clear Skies Observing Guide for this week's Deep Sky Forum Object of the Week: Galaxy MCG+02-59-046 - the "Pegasus Dwarf Irregular" in Pegasus.
clearskies.eu/csog/downloa...
#CSOG #OotW #stargazing #astronomy #telescope #observing #deepsky #clearskies
clearskies.eu/csog/downloa...
#CSOG #OotW #stargazing #astronomy #telescope #observing #deepsky #clearskies
October 27, 2024 at 11:38 AM
The Clear Skies Observing Guide for this week's Deep Sky Forum Object of the Week: Galaxy MCG+02-59-046 - the "Pegasus Dwarf Irregular" in Pegasus.
clearskies.eu/csog/downloa...
#CSOG #OotW #stargazing #astronomy #telescope #observing #deepsky #clearskies
clearskies.eu/csog/downloa...
#CSOG #OotW #stargazing #astronomy #telescope #observing #deepsky #clearskies
The Clear Skies Observing Guide for Deep Sky Forum's Object of the Week for this week: Galaxy NGC7393 (Arp 15) in Aquarius.
clearskies.eu/csog/downloa...
clearskies.eu/csog/downloa...
October 20, 2024 at 10:59 AM
The Clear Skies Observing Guide for Deep Sky Forum's Object of the Week for this week: Galaxy NGC7393 (Arp 15) in Aquarius.
clearskies.eu/csog/downloa...
clearskies.eu/csog/downloa...
The Clear Skies Observing Guides for Cloudy Nights' Objects of the Month for November 2024:
clearskies.eu/csog/downloa...
- Open cluster Melotte 25 - "the Hyades" in Taurus
- Galaxy pair NGC317A & NGC317B (Vorontsov-Vel'yaminov 928) in Andromeda
clearskies.eu/csog/downloa...
- Open cluster Melotte 25 - "the Hyades" in Taurus
- Galaxy pair NGC317A & NGC317B (Vorontsov-Vel'yaminov 928) in Andromeda
October 19, 2024 at 10:09 AM
The Clear Skies Observing Guides for Cloudy Nights' Objects of the Month for November 2024:
clearskies.eu/csog/downloa...
- Open cluster Melotte 25 - "the Hyades" in Taurus
- Galaxy pair NGC317A & NGC317B (Vorontsov-Vel'yaminov 928) in Andromeda
clearskies.eu/csog/downloa...
- Open cluster Melotte 25 - "the Hyades" in Taurus
- Galaxy pair NGC317A & NGC317B (Vorontsov-Vel'yaminov 928) in Andromeda
The Clear Skies Observing Guide for this week's Deep Sky Forum Object of the Week: Reflection nebula Vorontsov-Vel'yaminov 1 in Perseus.
clearskies.eu/csog/downloa...
clearskies.eu/csog/downloa...
October 13, 2024 at 2:15 PM
The Clear Skies Observing Guide for this week's Deep Sky Forum Object of the Week: Reflection nebula Vorontsov-Vel'yaminov 1 in Perseus.
clearskies.eu/csog/downloa...
clearskies.eu/csog/downloa...
October 11, 2024 at 10:52 AM
The Clear Skies Observing Guide for this week's Deep Sky Forum Object of the Week: Galaxy group Holmberg 802 in Pegasus.
clearskies.eu/csog/downloa...
clearskies.eu/csog/downloa...
October 7, 2024 at 9:25 AM
The Clear Skies Observing Guide for this week's Deep Sky Forum Object of the Week: Galaxy group Holmberg 802 in Pegasus.
clearskies.eu/csog/downloa...
clearskies.eu/csog/downloa...