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| Planetary Coronae ~ Not a deep space view but one of the 'Near Sky'. Robert Arn (AstroArn) captured these twin coronae around Venus and Jupiter on 14th March '12 from near Keota, Colorado. Aureoles, the corona centre, around bright planets are now almost a commonplace but a complete corona with an outer ring around Venus is a rarity indeed. As a bonus two of Jupiter's moons, Callisto and Ganymede are visible. Images ©Robert Arn. |
| A wider field view. Venus, Jupiter and red Aldebaran are swathed in thin cloud. Aldebaran itself shows a faint aureole. |
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| Close up image Camera: Canon XSi (modified)
Lens: Canon 200mm f/2.8L
Mount: Astrotrac
Shot: HDR
1x30, 1x60 and 1x120 seconds at f/4 ISO 400
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Wider field view
Camera: Canon XSi (modified)
Lens: Canon 50mm f/1.4
Mount: Astrotrac
Shot: SIngle Shot
1x120 seconds f/2.8 ISO 400 |