OMVA - What does OMVA stand for? The Free Dictionary
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Numerous filaments in the Veil Nebula are only about 10" wide and require magnifications of more than 300x to bring them to the OMVA
. Don't be afraid to try magnifications of more than 50x per inch of objective -- that limit does not apply to deep-sky observing because the eye's resolution is many times worse for faint objects.
An international A <a href="http://www.novinite.com/articles/165455/Drilling+at+Bulgaria%E2%80%99s+Khan+Asparuh+Block+Delayed+Until+2016#sthash.jNLGMN0a.dpuf">consortium comprising Total, AustriaasA OMVA
and SpainasA Repsol holds the exploration licence for hydrocarbonA drillingA at BulgariaasA Khan Asparuh Black SeaA block.