This photo shows one of the most beautiful open star clusters of the southern sky - NGC 4755. It is an extremely brilliant and famous object when viewed through a binocular or a telescope. The orange star is DU Crucis and a red supergiant, strongly contrasting with the other bright members which are blue supergiants. The counterpart in the northern sky ist the brilliant open star cluster NGC 457. |
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Mount |
German Equatorial Mount | RA / DE |
12 53 37 / -60 21 23 |
Telescope | 20" Cassegrain f/3 (1500 mm) | Size |
10' |
Camera | Moravian G2 8300 mono |
Object Class | I 3 r |
Filter | Astrodon LRGB 1,25'' | Stars | > 100 |
Exposure | L 30x30s R/G/B à 7 x 60s |
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Total |
36min |
Links |
WEBDA |
Software |
PixInsight |
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Location |
IAS Hakos Farm, Namibia |