Talk:Q34500
Latest comment: 11 years ago by Paperoastro in topic Correct identification of this object
Autodescription — NGC 21 (Q34500)
description: spiral galaxy in the constellation Andromeda
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- View it! – Images depicting the item on Commons
- Report on constraint conformation of “NGC 21” claims and statements. Constraints report for items data
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{{Item documentation}}.
Correct identification of this object
editThe correct identification of some NGC objects is difficult due to errors and misunderstandings of the original observer and of the astronomers that, during time, made and re-analysed the data.
Use the information of different sources, NGC 21 has different identifications. Following the prescription of NGC/IC project the correct identification of NGC 21 is PGC 767, that is NGC 29.
| Source | Other NGC | UGC | PGC | Link | Notes |
|---|---|---|---|---|---|
| NGC/IC project in VizieR (Q1662358) | NGC 29 | UGC 100 | PGC 767 | [1] | right identification |
| NASA/IPAC Extragalactic Database (Q488563) | NGC 29 | UGC 100 | PGC 767 | [2] | right identification |
| Lyon-Meudon Extragalactic Database (Q6709611) | NGC 29 | UGC 100 | PGC 767 | [3] | right identification |
| SIMBAD (Q654724) | --- | UGC 98 | PGC 759 | [4] | wrong identification! |
- Please do not use SIMBAD (Q654724) database to recover the data of this object!