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Originally Posted by mikemasey
Hi all,
I should know this but keep getting lost.
Is magnitude the same as brightness?
I have worked out that a 0.1 star is actualy brighter than a 0.55 star !
So '0' is the bench mark, is that corect and what is the mark. Not the moon as that is far to bright?
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Try
this page for an explanation.
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If uranus is 'x' degrees right of Jupiter, how do I work that out??
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Tonight Uranus is about 1deg 49' westward along the ecliptic from Jupiter
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If I put Jupeter in the centre of my telrad will the small blue/green disk of uranus be inside or the outer retical?
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I don't have a Telrad but the circles are supposed to have diameters 0.5, 2.0 and 4.0 deg. If you center Jupiter, Uranus will be between the 2 and 4 deg circles.