Venus makes mark on sun

Updated: June 06, 2012 18:06 IST

Eyes turned skyward on Wednesday to watch Venus slide across the sun - a rare celestial phenomenon that will not happen again for more than 100 years. Delhi-based astrophotographer Deepak Dogra explains how he shot the once-in-a-lifetime sight of the transit of Venus through an h-alpha solar telescope from his rooftop in IP extension. HT/Sunil Saxena

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