light in the dark - belmont 16s photography club · light in the dark astro-landscape photography...

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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