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Author Topic: Iphone Dark Sky Meter  (Read 1172 times)

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Offline RickyG

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Iphone Dark Sky Meter
« on: 22:44:49, 03 January, 2014 »
Hey guys

Dunno if anyone has brought this up before, but i have came across an iphone app called Dark Sky Meter which uses the phones camera. You basically cover the phones lense in a dark room and take a calibration shot before pointing the camera at the zenith.

It is apparently accurate. Has anyone put it up against an SQM to see?


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Offline Haitch

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Re: Iphone Dark Sky Meter
« Reply #1 on: 11:48:27, 12 January, 2014 »
£2.99 on the app store for the pro version I see (there is a free one called DSM Lite that says it is less accurate) but no ratings or reviews on either despite, according to the bumph, being featured on CBS and Scientific American.

I might give the free one a bash but I can't see how they can be that accurate from just a dark frame without a calibration to something lighter so it knows the size of a unit of brightness.
I love my brick (and my 14" f4.5 dob, C8, C100ED-R,  Megrez 72, Eq6 Pro, Eq6 Standard, Vixen GP, Astrotrac on a Manfrotto geared head & tripod, SLT,  600D, 1000D, QHY5v, My W.O. FF/FR II, My f6.3 SCT Reducer, My 7, 12 &20mm Nags, My 10mm Axiom, My 30mm ES82... - just need to find the time to use them all!!!)


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