Observer’s Challenge – Saturn 2020
Can you see the opposition effect
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Archives
An observer’s challenge
Observer’s Challenge – Occultation of Venus by the Moon, June 19
The challenge is to make any form of observation of this daylight planetary event
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Observer’s Challenge – Three Galaxies in Virgo
Three galaxies to observe in Virgo as the nights draw short
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Observer’s Challenge – Mini Messier Marathon – Open Clusters
Try to observe all the Messier open clusters in one night
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Observer’s Challenge – A fistful of red stars
The colours of stars have always been fascinating, from the very hot blue-white stars through yellow and onto deep red.
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Observer’s Challenge – Colours of Double Stars
We are told there is no such thing as a green star. I’ve read papers, articles and heard talks on
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Observer’s Challenge – opposition of Neptune
On 10th September 2019, Neptune will come to opposition. The planet will be nearly 29 astronomical units (AU) from Earth,
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Observer’s Challenge – Locate the Landing Site of Apollo 11
Finding the region of the Moon which man first stepped onto 50 years ago
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Observer’s Challenge – Measuring the size of the Great Red Spot
At the 2019 Winchester week-end, Paul Abel and Pete Lawrence presented a series of observing challenges which members might like
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Observer’s Challenge – Saturn vs Pluto
At the 2019 Winchester week-end, Paul Abel and Pete Lawrence presented a series of observing challenges which members might like
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