NGC 1807
Scientific overview
NGC 1807 is an open cluster in the constellation Taurus. It shines at apparent magnitude 7 and spans about 5.4 arcminutes of sky.
Observation guide
Guidance follows standard observing practice, derived from the object's real magnitude and position. A dark, moonless sky always helps.
Location in the sky
Precision measurements
Distances and velocities from SIMBAD · NGC 1807
| Right ascension (ICRS) | 77.703 deg | SIMBAD · measured |
| Declination (ICRS) | 16.522 deg | SIMBAD · measured |
Full field-level provenance
- Right ascension (ICRS): Centre de données astronomiques de Strasbourg (CDS) · SIMBAD · basic · ra · 2013A&A...558A..53K · direct catalogue measurement · retrieved 2026-07-11
- Declination (ICRS): Centre de données astronomiques de Strasbourg (CDS) · SIMBAD · basic · dec · 2013A&A...558A..53K · direct catalogue measurement · retrieved 2026-07-11
Physical size is derived from the OpenNGC angular size and the catalogued distance (small-angle: size = angle × distance). This is a Galactic object: its Doppler shift is shown as a radial velocity, not a cosmological redshift. Fields a source did not provide are omitted, never invented.
Other objects in Taurus
| Object | Type | Mag | Size (′) |
|---|---|---|---|
| NGC 1746NGC 1746 | Open cluster | 6.1 | 18 |
| NGC 1647NGC 1647 | Open cluster | 6.4 | 27 |
| NGC 1817NGC 1817 | Open cluster | 7.7 | 9.3 |
| Crab NebulaM 1 · NGC 1952 | Supernova remnant | 8.4 | 8 |
| Hind's NebulaNGC 1555 | Reflection nebula | 9.98 | 1.82 |
| Barnard's Merope Nebula | Reflection nebula | — | 25.7 |
| Maia NebulaNGC 1432 | H II region | — | 60 |
| Merope NebulaNGC 1435 | Nebula | — | 30 |
Sources
The primary and reference sources this topic draws on.
- OpenNGCOpenNGC (M. Verga) — NGC/IC, Messier, and Caldwell catalogue data
Openly-licensed deep-sky catalogue: object types, positions, magnitudes, sizes, morphology, and cross-identifiers.