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4 Vesta at opposition
About this observation
Observer
Gary Poyner
Time of observation
05/08/2018 - 14:05
Object
4 Vesta
Observing location
North Birmingham
Equipment
10x50B
16x70B
16x70B
Tags
Excellent weather over the last few months has led to a good opportunity to follow Vesta to opposition, even though it's low in the sky and difficult with light pollution from the city - being just west of Saturn spanning the borders of Sgr & Oph.
Vesta peaked at visual magnitude 5.2 on June 16, with a 47d rise to maximum from mag 6.5 in April. The decline to the same level - 6.5 mag - has taken 49d.
USNO A2 catalogue was used for comparison stars selected with a B-V of 0.6 or lower.
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