light in the dark - belmont 16s photography club · light in the dark astro-landscape photography...
TRANSCRIPT
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LightinthedarkAstro-LandscapePhotography
Dr StuartMarlinAPP
Overview1. MyJourney2. Astro Limitations3. Inspirations4. BasicAstro:
1. Goals2. Gear3. Process
5. ChasingBigSky6. LowLevelLandscapeLighting
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Part1:MyJourney
• ThisisthepartwhereItellyouaboutme,myapproachtophotographyandmyvision/art
Part2:Astro OverviewWhyAstro ishard
1)LOWlight:starsthemselvesaredimNeed
LOWapertureAnd HIGHISOAnd LONGexposure
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Part2:Astro OverviewWhyAstro ishard
2)POINTsourcelight:starsthemselvesareFARAWAY
NeedLENSthatisSHARPat
Needtofocusat
SO….YourforegroundwillNOTbeinfocus
Part2:Astro OverviewWhyAstro ishard
3)HIGHlight:theworldiswelllit
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Part2:Astro OverviewWhyAstro ishard
4)SpaceJunk
Part2:Astro OverviewWhyAstro ishard
5)EARTHMOVES
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Part2:Astro OverviewWhyAstro ishard
6)Whenthemoonhitsthesky…..
30secF16ISO320
MOONToobright
Exposeforthemoon
1/125secF5.6ISO200
StarsToodark
Part2:Astro OverviewWhyAstro ishard
7)CloudsISO320013secF2
Starsnotasvisible
2stopsfromidealforstarsAtISO6400,F2,20seccloudsareBLOWNOUT
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Part3:InspirationMikko Lagerstedt:Artistic,Composites
Part3:InspirationMichaelGoh =Astrophoto Bear:Purist/Astronomer
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Part3:InspirationMichaelShainblum =LandscapePhotographer
Part3:InspirationOscarKeserci=LandscapePhotographer
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Part3:InspirationElia Locardi=LandscapePhotographer
Fstoppers TutorialPhotographingtheWorld
Part4a:Goals
• Steps– BasicAstro
1. Basicproficiency2. TechnicalCompetence3. Artisticcompositions/Foregroundelements4. Exoticlocations
– BIGsky1. Basicproficiency– Wideangle,multipleexposures2. TechnicalCompetence– Facilitatestitching3. Artisticcompositions– MilkyWayArch4. Exoticlocations(dragginggeararoundtheworld)
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Part4b:BasicGear
• 1)WIDEandFASTandSHARPlens
F2.8orlower24MMorwiderLOWCA
Part4b:BasicGear• 2)GoodTripod
– Doesn’thavetobeexpensive,justgoodstability
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Part4b:BasicGear• 2)GoodHead
– BallheadwithindependentTILTandRotation
BallHead Gimbal LevelingBase
Part4b:BasicGear• 3)Info
– Knowwhattoexpectbeforeyougetthere
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Part4b:BasicGear• 3)Info
– Knowwhattoexpectbeforeyougetthere
Part4b:BasicGear
• 4)othernecessarystuff
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Part4b:AdvancedGear
• 4)CameraControl
Part4b:AdvancedGear
• 4)CameraControl
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Part4b:AdvancedGear
• 4)CameraControl
Part4b:AdvancedGear
• 4)CameraControl
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Part4b:AdvancedGear
• 4)FocusControl– FocusatInfinity(notalwayswhereitsaysitisonyourlens)
Part4c:Process• A)SHOOTINGA)F-Stop=aslowasyoucanandstillbesharp.B)Shutter=asLongasyoucanwithoutStarmovement(RULEof500)
24mmlens=21sec14mmlens=36sec50mmlens=10sec
C)ISO=aslowasyoucantogetAandB
Maximizeexposurewhileminimizingnoise
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Part4c:Process• A)SHOOTING Blueswillbebrighter
(STARS)anddarker(SKY)
UseyourCameraLCDONLYforCompositiononly
USEYOURHISTOGRAMforexposure
IFdownhereLOTSofnoiseinshadowsBUTwilllookgoodonLCDoncamera
Part4c:Process
• B)Lightroom
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Part4c:Process• B)Lightroom
Colour?
Someseparationofstarsfromsky
SomeBrighteningofground
Minimalsharpen(usuallynoneunlessstitchingpano)
MinimalLUMNoiseMaximumColour Noise
+LensProfileCorrections
Part4c:Process• B)Lightroom:Presets
30sectoeditthisinLightroom
PresetsbyMikko Lagerstedt:
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Part4c:Process• C)Photoshop
LuminosityMaskNOTSTARS
LevelsreducebrightnessofskyLeavestarsandground
Part4c:Process• C)Photoshop:EnhanceStarsmore
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Part4c:Process• C)Photoshop:Noise
Noiseware: Night+NOTstarsLuminositymask
Part4c:Process• C)Photoshop:somemorefinalsharpening(limited)
Before After
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Outcomes
SwanseaHeads
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CatherineHillBay
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ChasingBIGsky• Approx 160° Horizontal• Approx 120+° Vertical
MichaelGoh =Astrophoto Bear
ChasingBigSky1)thehardway
Tripod
Levelingbase
Gimbal
Nodalslider
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Stitching
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ChasingBigSky2)theeasyway
ProgrammablePrecisionRepeatableDesignedforMarsRoverCantake100’sofphotos
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50individualpictures
5ROWSof10Columns
180° wide
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WithcameraMountedVerticallyonaGigapanAllowsbetterstitchingifdetailfreeskies
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LOWLevelLandscapeLighting• SmallLEDlights(Tungstenfilters)atDimmestsettingsthrowlightacrossforegroundwhenthereisNOmoonandnolightfromurbanareas
AvoidlightPaintingAvoidflash
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LLLLWithnoMOONandnolightfromacity,thegroundhasNOLIGHT
ADDLLLLtogetaneffectsimilarto¼MOON
LLLLvs Lightpainting
LLLLoncliffedgeremovingdarkshadows
Lightfromstreetlamp
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LLLLHIGHoncliffedgeremovingdarkshadows
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Fin