Uranus with Titania, Oberon, Ariel & Umbriel

UUranus with Titania, Oberon, Ariel & Umbriel
Uranus and 4 of its large moons are visible in this image.
Uranus does not normally display any significant surface features due to its small apparent size (4.5 arc seconds) and low contrast, but at least the limb darkening can be seen.
At magnitude 6 Uranus is just barely visible with the naked eye under dark skies, and the moons in this image have magnitudes from 14.0 (Titania) to 15.1 (Umbriel) so they are even fainter than Pluto

Technical details

OPTICS10" Newtonian f/5.2, TeleVue 5x Powermate
MOUNTLosmandy G11 equatorial
CAMERAPhilips ToUCam Pro SC1 webcam
FILTERSNone
EXPOSUREUranus: ~1500 x 1/25th s
Moons: 300 x 2.5s
DATE/TIME05/10/2006 09:9 UTC
LOCATIONMy backyard observatory in west Auckland, New Zealand

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