http://www.capella-observatory.com/ImageHTMLs/SolarSystem/Uranus+Moons-2003.htmhttp://www.capella-observatory.com/ImageHTMLs/SolarSystem/Uranus+Moons-2003.htm
About this Image / Über dieses Bild
CCD: WebCam Philips ToU Cam pro
Image Type: Stacked video frames.
Exposure time: 1000 video frames stacked, averaged with GIOTTO. Maximal gain, 5 frames/sec.
Exposure date: September, 1st 2003, 21:00UT.
Location: Capella Observatory at Amani Lodge, Kupferberg near Windhoek, Namibia
Filter: wide band red filter
Instrument: Ganymed 60cm-Hypergraph in secondary focus, f=4800 mm
Seeing (FWHM): about 2"
Photographer: Stefan Binnewies, Dietmar Böcker
Remarks: The names of the five moons visible on this image incl. their breightness (from left to right): Oberon (13.9mag), Miranda (16.3mag), Ariel(14.2mag), Umbriel(14.8mag) and Titania(13.7mag). Miranda was only visible after stacking the video frames, but it is remarkable, that a 16.3mag "star" can be seen with a WebCam, isn't it?
이미지 링크....
About this Image / Über dieses Bild
CCD: WebCam Philips ToU Cam pro
Image Type: Stacked video frames.
Exposure time: 1000 video frames stacked, averaged with GIOTTO. Maximal gain, 5 frames/sec.
Exposure date: September, 1st 2003, 21:00UT.
Location: Capella Observatory at Amani Lodge, Kupferberg near Windhoek, Namibia
Filter: wide band red filter
Instrument: Ganymed 60cm-Hypergraph in secondary focus, f=4800 mm
Seeing (FWHM): about 2"
Photographer: Stefan Binnewies, Dietmar Böcker
Remarks: The names of the five moons visible on this image incl. their breightness (from left to right): Oberon (13.9mag), Miranda (16.3mag), Ariel(14.2mag), Umbriel(14.8mag) and Titania(13.7mag). Miranda was only visible after stacking the video frames, but it is remarkable, that a 16.3mag "star" can be seen with a WebCam, isn't it?
이미지 링크....
