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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).
Kredit:ESO
O snímku
| Id: | eso9805b |
| Typ: | Pozorování |
| Datum zveřejnění: | 29. ledna 1998 |
| Související články: | eso9805 |
| Velikost: | 506 x 508 px |
O objektu
| Jméno: | NGC 1261 |
| Typ: | Milky Way : Star : Grouping : Cluster : Globular |
| Vzdálenost: | 55000 světelné roky |
| Constellation: | Horologium |
| Kategorie: | Star Clusters |
Souřadnice
| Position (RA): | 3 12 16.19 |
| Position (Dec): | -55° 12' 59.18" |
| Field of view: | 2.46 x 2.47 arcminutes |
| Orientace: | Sever je 0.8° pravá od svislé osy |
Zobrazit ve World Wide Telescope:
Barvy & filtry
| Pásmo | Vlnová délka | Dalekohled |
|---|---|---|
| Infračervený H | 1.65 μm | New Technology Telescope SOFI |