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Globular cluster NGC 1261
This is a short (12 sec) exposure of the globular cluster NGC1261 through an H-filter centred at 1.65 micron. Note the excellent resolution, achievable at this wavelength with the SOFI/NTT combination. The field measures 2.5 x 2.5 arcmin, with North at the top and East to the left. The scale is 0.14 arcsec/pixel. The stellar images are very sharp (FWHM around 0.7 arcsec).
Crédit:ESO
À propos de l'image
| Identification: | eso9805b |
| Type: | Observation |
| Date de publication: | 29 janvier 1998 |
| Communiqués de presse en rapport: | eso9805 |
| Taille: | 506 x 508 px |
À propos de l'objet
| Nom: | NGC 1261 |
| Type: | Milky Way : Star : Grouping : Cluster : Globular |
| Distance: | 55000 années lumière |
| Constellation: | Horologium |
| Catégorie: | Star Clusters |
Fonds d'écran
Coordinates
| Position (RA): | 3 12 16.19 |
| Position (Dec): | -55° 12' 59.18" |
| Field of view: | 2.46 x 2.47 arcminutes |
| Orientation: | North is 0.8° right of vertical |
Visualiser avec WorldWide Telescope:
Couleurs & filtres
| Domaine | Longueur d'onde | Télescope |
|---|---|---|
| Infrarouge H | 1.65 μm | New Technology Telescope SOFI |