Website operator
Jan CroneFriedrich-Ebert-Platz 1
30459 Hannover
Germany
Telephone: +49 511 69 09 50 66
Mobile: +49 177 42 42 545
About this website
This is Jan Crone’s private website. Information about professional IT services is available separately at crone-it.de and the legal notice there applies to those services.
Editorial responsibility
Where journalistic or editorial content within the meaning of section 18(2) MStV is provided, Jan Crone is responsible. Address as above.
Design and maintenance
Jan Crone · Crone-IT · Hannover
Mini-planetarium in the header
Concept & design © Jan Crone Hannover – Crone-IT
This acknowledgement concerns the original visual design of the mini-planetarium. Rights and licences for third-party data, calculation methods and design elements remain with their respective rights holders.
Astronomical calculations: own implementation based on Paul Schlyter.
Image credits
- Weser Uplands
Evening view over Rühle and the bend of the River Weser near Pegestorf · Photo by PtrQs · Wikimedia Commons ↗ · CC BY-SA 4.0 ↗ · Converted to WebP; cropped in cards
- Süntel
Photo: Touristikzentrum Westliches Weserbergland, Dr. Kurt Gilde · Deutsche Märchenstraße · CC BY-SA 4.0 · Converted to WebP; cropped display
- Deister
Photo: Axel Hindemith · Wikimedia Commons · Public Domain · Cropped display
- Ith
Photo: Axel Hindemith · Wikimedia Commons · CC BY 3.0 · Cropped display
- Alfelder Berge
Photo: Axel Hindemith · Wikimedia Commons · Public Domain · Converted to WebP; cropped display; AI retouch: pylons and wires removed, edges extended
- Lipperland
Photo: Daniel Schwen · Wikimedia Commons · CC BY-SA 2.5 · Cropped display
- Wiehengebirge
Photo: Arminia · Wikimedia Commons · CC BY-SA 3.0 · Cropped display
- Lake Steinhude
Photo: Land.a.mals · Wikimedia Commons · CC BY-SA 4.0 · Cropped display
- Lüneburg Heath
Photo: Nikanos · Wikimedia Commons · CC BY-SA 2.5 · Cropped display
- Harz
Photo: Axel Hindemith · Wikimedia Commons · Public Domain · Cropped display
- South Tyrol
Photo: Luca83 · Wikimedia Commons · CC BY 3.0 · Cropped display
- Alps
Photo: User:Flöschen at wikivoyage shared · Wikimedia Commons · CC BY-SA 3.0 · Cropped display
- Mindful outdoors
Photo: Denis Zastanceanu · Lautertal (Odenwald) · Wikimedia Commons · CC BY-SA 4.0 · Cropped display
- South Tyrol – St. Magdalena
Photo: Böhringer Friedrich · Wikimedia Commons · CC BY-SA 3.0 AT · Resized, converted to WebP; cropped in overview
- Ploumanac’h · W. Bulach · Wikimedia Commons · CC BY-SA 4.0 · AI retouching: people removed; WebP conversion
Lower Saxony horse: supplied by Jan Crone; original file at crone-it.de.
The Hohenstein WebP version and its cropped displays are also provided under CC BY-SA 4.0. The header photographs for the long-distance trails show landscapes; they are not Jan Crone’s own photographs.
North Sea beach near Ouddorp in the Netherlands · NerdKaiser · Wikimedia Commons ↗ · CC BY-SA 4.0 ↗ · Cropped in cards; converted to WebP
Westerheversand lighthouse on Eiderstedt, near Sankt Peter-Ording · Zacke82; derivative work: Ikar.us · Wikimedia Commons ↗ · CC BY-SA 3.0 ↗ · Cropped in cards; converted to WebP
Forest lake in Nuuksio National Park · Iveta Tonhauserova · Wikimedia Commons ↗ · CC BY 3.0 ↗ · Cropped in cards; converted to WebP
Winter landscape near Saariselkä in Finnish Lapland · Ninara · Wikimedia Commons ↗ · CC BY 2.0 ↗ · Cropped in cards; converted to WebP
Dwarf beech avenue in Bad Nenndorf spa gardens in February 2003 · Tortuosa · Wikimedia Commons ↗ · CC BY-SA 3.0 ↗ · Cropped in cards; converted to WebP
Spreading branches of the dwarf beech in Hannover’s Berggarten · Puusterke · Wikimedia Commons ↗ · CC BY-SA 4.0 ↗ · Cropped in cards; converted to WebP
Karwendel at sunset, viewed from Tennsee – a landscape image for the Dream Trail · Nf1973 · Wikimedia Commons ↗ · CC0 1.0 ↗ · Cropped in cards; converted to WebP
Lake Orta from the Santuario della Madonna della Bocciola – the starting area of my walk · The Teacher71 · Wikimedia Commons ↗ · CC BY-SA 4.0 ↗ · Cropped in cards; converted to WebP