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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).
Credit:ESO
Over de afbeelding
| Id: | eso9805b |
| Type: | Observatie |
| Publicatiedatum: | 29 januari 1998 |
| Gerelateerde berichten: | eso9805 |
| Grootte: | 506 x 508 px |
Over het object
| Naam: | NGC 1261 |
| Type: | Milky Way : Star : Grouping : Cluster : Globular |
| Afstand: | 55000 lichtjaren |
| Constellation: | Horologium |
| Categorie: | Star Clusters |
Achtergrond
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 |
Bekijk in World Wide Telescope:
Kleuren & filters
| Band | Golflengte | Telescoop |
|---|---|---|
| Infrarood H | 1.65 μm | New Technology Telescope SOFI |