This page provides a result prefilled with the place and coordinates. The calculations and phone gyroscope work without an order; the HD poster remains optional. See the Haarlem constellation table
A latitude-based guide with transit altitude, season and circumpolar status
Not every constellation rises from every latitude. This guide compares the representative declination of well-known constellations with the latitude of Haarlem. It shows which patterns can clear a practical horizon, how high they culminate and which northern or southern groups stay circumpolar.
From Haarlem, latitude decides how high each familiar pattern can climb above an ideal horizon. Its verifiable starting point is GeoNames 2755003, 52.3808° N, 4.6368° E, in timezone Europe/Amsterdam.
Each entry below gives an approximate maximum altitude at meridian transit and a practical season; an asterisk means circumpolar in this simplified centroid model: Ursa Major: 86.4°, all year *; Perseus: 82.6°, all year *; Cassiopeia: 82.4°, all year *; Auriga: 79.6°, all year *; Cygnus: 77.6°, all year *; Draco: 77.4°, all year *; Andromeda: 75.6°, all year *; Cepheus: 72.4°, all year *; Ursa Minor: 65.4°, all year *; Lyra: 73.6°, summer; Boötes: 67.6°, spring; Gemini: 59.6°, winter; Taurus: 55.6°, winter; Leo: 52.6°, spring. This is a planning guide, not a promise that every star will be visible from a bright street. Date, hour, local obstructions and light pollution still matter. The live sky tool performs the date-specific projection that a static latitude table cannot.
Calculation identity: GeoNames 2755003 · city Haarlem · region North Holland · country Netherlands · national selection rank 11 · reference population 162,543 · source elevation —. Spatial fingerprint: latitude 52.38084 · longitude 4.63683 · north hemisphere · timezone Europe/Amsterdam · celestial-pole altitude 52.4°. Seasonal signature: longest night in December, 16 h 32 · shortest night in June, 7 h 28 · range 9.07 hours. Meridian star markers: Ursa Major 86.4° * · Perseus 82.6° * · Cassiopeia 82.4° * · Auriga 79.6° * · Cygnus 77.6° * · Draco 77.4° *. Nearby catalogue cities: Amsterdam 17 km · Almere Stad 39 km · The Hague 41 km. First regional eclipse shortlist: 2027-02-20 Penumbral lunar eclipse 23:14 UTC · 2027-08-02 Total solar eclipse 10:07 UTC · 2028-01-12 Partial lunar eclipse 04:14 UTC. Together these values form the local evidence record for the “constellations” page; they change with place and remain separate from real weather.
1. Haarlem → Amsterdam: 17.2 km · Δlat -0.007° · Δlon +0.253° · Δpole +0.0° · timezone Europe/Amsterdam = Europe/Amsterdam · longest night December 16 h 32 | 2. Haarlem → Almere Stad: 39.2 km · Δlat -0.011° · Δlon +0.577° · Δpole +0.0° · timezone Europe/Amsterdam = Europe/Amsterdam · longest night December 16 h 32 | 3. Haarlem → The Hague: 40.9 km · Δlat -0.304° · Δlon -0.338° · Δpole -0.3° · timezone Europe/Amsterdam = Europe/Amsterdam · longest night December 16 h 29. Monthly night comparison with the nearest catalogue reference — January: Haarlem 16 h 02 / Amsterdam 16 h 02 / Δ +0.00 h · February: Haarlem 14 h 23 / Amsterdam 14 h 23 / Δ +0.00 h · March: Haarlem 12 h 29 / Amsterdam 12 h 29 / Δ +0.00 h · April: Haarlem 10 h 20 / Amsterdam 10 h 20 / Δ +0.00 h · May: Haarlem 8 h 31 / Amsterdam 8 h 31 / Δ +0.00 h · June: Haarlem 7 h 28 / Amsterdam 7 h 28 / Δ +0.00 h · July: Haarlem 7 h 54 / Amsterdam 7 h 54 / Δ +0.00 h · August: Haarlem 9 h 32 / Amsterdam 9 h 32 / Δ +0.00 h · September: Haarlem 11 h 37 / Amsterdam 11 h 37 / Δ +0.00 h · October: Haarlem 13 h 41 / Amsterdam 13 h 41 / Δ +0.00 h · November: Haarlem 15 h 34 / Amsterdam 15 h 34 / Δ +0.00 h · December: Haarlem 16 h 32 / Amsterdam 16 h 32 / Δ +0.00 h. For constellation screening, latitude difference becomes a meridian-altitude difference; a small change is reported as small rather than exaggerated for local copy.
Haarlem is represented by 52.3808° N, 4.6368° E, in North Holland, using the IANA zone Europe/Amsterdam. This is a high-latitude viewpoint: the relevant celestial pole stands about 52.4° above its horizon. GeoNames record 2755003 supplies the geographic reference; its population field is 162,543 and is used for catalogue selection, not presented as a live census. No source elevation is used, so a flat horizon remains the transparent default.
The following pairs are approximate daylight / night duration around the 15th of each month: January: 7 h 58 / 16 h 02; February: 9 h 37 / 14 h 23; March: 11 h 31 / 12 h 29; April: 13 h 40 / 10 h 20; May: 15 h 29 / 8 h 31; June: 16 h 32 / 7 h 28; July: 16 h 06 / 7 h 54; August: 14 h 28 / 9 h 32; September: 12 h 23 / 11 h 37; October: 10 h 19 / 13 h 41; November: 8 h 26 / 15 h 34; December: 7 h 28 / 16 h 32. The longest estimated night in this model is December at 16 h 32; the shortest is June at 7 h 28. “Night” here is the complement of daylight on a flat horizon. Civil, nautical and astronomical twilight are not interchangeable, and weather is not predicted by this table.
Coordinates, date and local time feed the same astronomical workflow used by the poster. The HYG catalogue provides star entries, while Astronomy Engine calculates moving bodies. The page does not claim that city-centre coordinates equal a hospital, venue or home: selecting an autocomplete suggestion replaces the shortcut with that location. It also separates astronomical geometry from weather and light pollution, so a correct map never becomes a claim that the ground-level sky was cloudless.
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It removes patterns that only graze an ideal horizon. 19 catalogue groups pass that screen here, but local hills and buildings can require a higher threshold.
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See the Haarlem constellation table
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