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 Los Angeles 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 Los Angeles. It shows which patterns can clear a practical horizon, how high they culminate and which northern or southern groups stay circumpolar.
From Los Angeles, latitude decides how high each familiar pattern can climb above an ideal horizon. Its verifiable starting point is GeoNames 5368361, 34.0522° N, 118.2437° W, in timezone America/Los_Angeles.
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: 68.1°, all year *; Cassiopeia: 64.1°, all year *; Draco: 59.1°, all year *; Cepheus: 54.1°, all year *; Ursa Minor: 47.1°, all year *; Lyra: 88.1°, summer; Andromeda: 86.1°, autumn; Boötes: 85.9°, spring; Cygnus: 84.1°, summer; Auriga: 82.1°, winter; Perseus: 79.1°, winter; Gemini: 77.9°, winter; Taurus: 73.9°, winter; Leo: 70.9°, 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 5368361 · city Los Angeles · region California · country United States · national selection rank 2 · reference population 3,820,914 · source elevation 89 m. Spatial fingerprint: latitude 34.05223 · longitude -118.24368 · north hemisphere · timezone America/Los_Angeles · celestial-pole altitude 34.1°. Seasonal signature: longest night in December, 14 h 16 · shortest night in June, 9 h 44 · range 4.52 hours. Meridian star markers: Ursa Major 68.1° * · Cassiopeia 64.1° * · Draco 59.1° * · Cepheus 54.1° * · Ursa Minor 47.1° * · Lyra 88.1°. Nearby catalogue cities: Long Beach 32 km · Anaheim 39 km · Santa Ana 49 km. First regional eclipse shortlist: 2027-02-20 Penumbral lunar eclipse 23:14 UTC · 2027-08-17 Penumbral lunar eclipse 07:14 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. Los Angeles → Long Beach: 32.1 km · Δlat -0.285° · Δlon +0.054° · Δpole -0.3° · timezone America/Los_Angeles = America/Los_Angeles · longest night December 14 h 14 | 2. Los Angeles → Anaheim: 38.8 km · Δlat -0.217° · Δlon +0.329° · Δpole -0.3° · timezone America/Los_Angeles = America/Los_Angeles · longest night December 14 h 14 | 3. Los Angeles → Santa Ana: 48.6 km · Δlat -0.307° · Δlon +0.376° · Δpole -0.4° · timezone America/Los_Angeles = America/Los_Angeles · longest night December 14 h 14. Monthly night comparison with the nearest catalogue reference — January: Los Angeles 14 h 02 / Long Beach 14 h 01 / Δ +0.02 h · February: Los Angeles 13 h 13 / Long Beach 13 h 13 / Δ +0.01 h · March: Los Angeles 12 h 15 / Long Beach 12 h 15 / Δ +0.00 h · April: Los Angeles 11 h 08 / Long Beach 11 h 09 / Δ -0.01 h · May: Los Angeles 10 h 14 / Long Beach 10 h 15 / Δ -0.02 h · June: Los Angeles 9 h 44 / Long Beach 9 h 46 / Δ -0.03 h · July: Los Angeles 9 h 56 / Long Beach 9 h 58 / Δ -0.02 h · August: Los Angeles 10 h 44 / Long Beach 10 h 44 / Δ -0.01 h · September: Los Angeles 11 h 48 / Long Beach 11 h 48 / Δ +0.00 h · October: Los Angeles 12 h 52 / Long Beach 12 h 52 / Δ +0.00 h · November: Los Angeles 13 h 49 / Long Beach 13 h 47 / Δ +0.02 h · December: Los Angeles 14 h 16 / Long Beach 14 h 14 / Δ +0.03 h. For constellation screening, latitude difference becomes a meridian-altitude difference; a small change is reported as small rather than exaggerated for local copy.
Los Angeles is represented by 34.0522° N, 118.2437° W, in California, using the IANA zone America/Los_Angeles. This is a mid-latitude viewpoint: the relevant celestial pole stands about 34.1° above its horizon. GeoNames record 5368361 supplies the geographic reference; its population field is 3,820,914 and is used for catalogue selection, not presented as a live census. The source elevation is 89 metres; terrain can hide a low object even when the geometric calculation says it rises.
The following pairs are approximate daylight / night duration around the 15th of each month: January: 9 h 58 / 14 h 02; February: 10 h 47 / 13 h 13; March: 11 h 45 / 12 h 15; April: 12 h 52 / 11 h 08; May: 13 h 46 / 10 h 14; June: 14 h 16 / 9 h 44; July: 14 h 04 / 9 h 56; August: 13 h 16 / 10 h 44; September: 12 h 12 / 11 h 48; October: 11 h 08 / 12 h 52; November: 10 h 11 / 13 h 49; December: 9 h 44 / 14 h 16. The longest estimated night in this model is December at 14 h 16; the shortest is June at 9 h 44. “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.
On a compatible phone, the gyroscope turns the calculated sky into a movable window: tilt and rotate to explore, with star names shown beside key points. That experience is free. If a date deserves a keepsake, the same place can continue into the editor. The protected preview remains watermarked before payment; the €3.99 purchase unlocks the 4960 × 7016 px, 300 DPI file. Physical formats appear only when availability, delivery supplement and timing can be checked for the destination. Checkout is in euros; the card issuer shows the current conversion to US dollars (USD).
It removes patterns that only graze an ideal horizon. 20 catalogue groups pass that screen here, but local hills and buildings can require a higher threshold.
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No. The calculations describe geometry. Cloud, terrain, buildings and light pollution can change what a person sees from the ground.
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See the Los Angeles constellation table
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