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The R-athon is a challenge to find the R variable in each of the 88 constellations.
The goal is to do this with off-the-shelf digital cameras, such as the Kodak Z612, Kodak Z1015, Panasonic Lumex etc.
For starters I have chosen three examples: R Cas, R Cet and R Lyr. Three down, eighty-five to go!
[as of Nov. 07, 2011]
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The R-athon
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R Ceti, this Mira variable in Cetus is not nearly so famous as Mira! But while looking at Mira why not check out R Cet? Contrast problems here. | 818k | v. 2 | Nov 7, 2011, 8:12 AM | Richard DeCoster | |
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Here is an example from the constellation Cas. R Cas is a very red Mira-type variable. | 111k | v. 2 | Nov 7, 2011, 8:05 AM | Richard DeCoster | |
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R Ceti with an aavso comparison chart. | 103k | v. 1 | Nov 7, 2011, 8:12 AM | Richard DeCoster | |
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Another example: R Lyr, an easy to find variable star near Vega. | 96k | v. 1 | Nov 7, 2011, 8:07 AM | Richard DeCoster |