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Black Hole night 2

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About this observation
Observer
Nick Hewitt
Time of observation
10/04/2019 - 22:30
Object
OJ287
Observing location
Northampton
Equipment
TMB 115mm f7 triplet
EQ8
Trius 814
Exposure
5 x 300s. Cropped from original.
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A slightly grotty image of OJ 287  taken last night . Not much to look at grant you BUT it's stupendous. It is a binary black hole in a BL Lac object in Cancer 3.5 billion light-years distant. The more massive is 18 billion solar masses, the less massive is a mere 100 million solar masses. One of Paul Abel and Pete Lawrence's challenges from the Winchester Weekend. Food for thought?

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