Urania WGAS 30 november 2017 · Bart Delsaert – 30 november 2017. Samyang 14mm f2.8 – Canon 6D...

Bart Delsaert – 30 november 2017

Astrofotografie

30 november 2017

Bart Delsaert

Urania WGAS

Bart Delsaert – 30 november 2017

Inhoud

• Voorstelling • Astrofotografie

– Deepsky vs Planeet-maan-zon – Obstakels en oplossingen

• Mogelijkheden DSLR

Bart Delsaert – 30 november 2017

Voorstelling

• Bart Delsaert, Overijse • Lid VVS & Mira Grimbergen • Astrofotografie • http://delsaert.wordpress.com/ • Biedie

Bart Delsaert – 30 november 2017

Bart Delsaert – 30 november 2017

Bart Delsaert – 30 november 2017

1990 • Darkstar dobson 15cm f8

Bart Delsaert – 30 november 2017

2007 • Darkstar dobson 15cm f8 • Meade 8” LX90 & Canon 20Da

Bart Delsaert – 30 november 2017

2009 • Darkstar dobson 15cm f8 • Meade 8” LX90 & Canon 20D • Losmandy G11 & WO 110FLT & QHY9 • Celestron C9.25

Bart Delsaert – 30 november 2017

2011 • Darkstar dobson 15cm f8 • Meade 8” LX90 & Canon 20D • Losmandy G11 & WO 110FLT & QHY9 • Celestron C9.25 • Sterrenwacht !

Bart Delsaert – 30 november 2017

2012 - 2013 • Darkstar dobson 15cm f8 • Meade 8” LX90 & Canon 20D • Losmandy G11 & WO 110FLT & QHY9 • Celestron C9.25 • Sterrenwacht ! • Mesumount 200 • Astrosib RC250 & FSQ106

Bart Delsaert – 30 november 2017

2014 • Darkstar dobson 15cm f8 • Meade 8” LX90 & Canon 20D • Losmandy G11 & WO 110FLT & QHY9 • Celestron C9.25 • Sterrenwacht ! • Mesumount 200 • Astrosib RC250 & FSQ106 • Celestron C14

Bart Delsaert – 30 november 2017

NGC 3718

Bart Delsaert – 30 november 2017

Bart Delsaert – 30 november 2017

2017 Remote sterrenwacht ROSA

Bart Delsaert – 30 november 2017

Tweede eigenaar

Bart Delsaert – 30 november 2017

• Pro Dome 10‟

• Dream Astrograph 16″ f3.75

• ASA DDM85 Direct Drive

• FLI ML16803 CCD Camera met CFW-5-7 Filter Wheel

• Astrodon LRGB en NB

Bart Delsaert – 30 november 2017

Een remote sterrenwacht heeft voor- en nadelen

Bart Delsaert – 30 november 2017

Nadelen

• Complexiteit Automatisering • Afstand bij technische problemen • Abstractie • Kostprijs

Bart Delsaert – 30 november 2017

Voordelen

• Locatie – Veel heldere nachten – Donkere hemel (tot SQM 21,98)

• Bereikbaarheid via remote connectie

• Geen kinderziektes bij een 2de handse sterrenwacht

Bart Delsaert – 30 november 2017

Doel • “Pretty Pictures” • Wetenschap

– Ultra Diffuse Galaxies

Copyright Martínez-Delgado et al.

– Stellar Tidal Streams

Bart Delsaert – 30 november 2017

Astrofotografie

• Planeet, zon & maan – Hi-res, F > 3000mm

• Deepsky – Nevels & melkweg – Galaxies – Clusters

• Widefield

Bart Delsaert – 30 november 2017

Astrofotografie

• Planeet, zon & maan – Hi-res, F > 3000mm

• Deepsky – Nevels & melkweg – Galaxies – Clusters

• Widefield

• DSLR met lens

Bart Delsaert – 30 november 2017

Planeet, maan & zon

• Heldere lichtbron • Brandpunt >3000mm -> turbulentie • AVI‟s, >5000 frames • Speciale filters (zon)

Bart Delsaert – 30 november 2017

Planeet, maan & zon

• Planeet Mars (R), F = 7040mm

Bart Delsaert – 30 november 2017

Planeet, maan & zon • Jupiter

Bart Delsaert – 30 november 2017

Planeet, maan & zon • Maan

– Plato & Vallis Alpes

Bart Delsaert – 30 november 2017

Planeet, zon & maan • Maan

– Zuidpool, Clavius

Bart Delsaert – 30 november 2017

Planeet, maan & zon • Maan

– Eclips 25 september 2015

Bart Delsaert – 30 november 2017

Planeet, maan & zon • Zon

– Speciale filter, bandbreedte 0.07nm

Bart Delsaert – 30 november 2017

Bart Delsaert – 30 november 2017

Astrofotografie

• Planeet, zon & maan – Hi-res, F > 3000mm

• Deepsky – Nevels & melkweg – Clusters – Galaxies

• Widefield

Bart Delsaert – 30 november 2017 Nevels

Bart Delsaert – 30 november 2017 Clusters

Bart Delsaert – 30 november 2017 Galaxies

Bart Delsaert – 30 november 2017

Deepsky

• Zeer lichtzwak -> lange belichtingen – Rotatie sterrenhemel – Camera-vereisten – Pre-processing

Bart Delsaert – 30 november 2017

Deepsky

• Rotatie sterrenhemel – Montering

Bart Delsaert – 30 november 2017

Deepsky

• Camera-vereisten – Gevoeligheid & SNR – Resolutie – Minimale ruis

– Monochroom CCD – Filterwiel: LRGB – Peltierkoeling

Bart Delsaert – 30 november 2017

Deepsky

• Beperkingen camera en montering

• 1x300min -> 30x10min

Bart Delsaert – 30 november 2017

Deepsky

• Pre-processing – Calibratie

• Flat frames • Dark frames • Bias frames

– Registratie – Stacking

Bart Delsaert – 30 november 2017

Deepsky • Stretching

Lineair Stretched

->

Bart Delsaert – 30 november 2017

Deepsky • Flat Frames

– Imperfecties in optisch pad

Bart Delsaert – 30 november 2017

Deepsky • Flat Frames

– Imperfecties in optisch pad

Bart Delsaert – 30 november 2017

Deepsky • Flat Frames

– Imperfecties in optisch pad

Bart Delsaert – 30 november 2017

Deepsky

• Dark Frames – Hot pixels & Amp glow

Bart Delsaert – 30 november 2017

Deepsky

• Bias Frames – Uitleesruis & ADC

Bart Delsaert – 30 november 2017

Deepsky

Light Cal = (Light – Dark – Bias)/Flat

= - -

_________________________

Bart Delsaert – 30 november 2017

Evolutie

2007

2010

2013

Bart Delsaert – 30 november 2017

Evolutie

2007

2010

2013

Bart Delsaert – 30 november 2017

Evolutie

2007

2009

2015

Bart Delsaert – 30 november 2017 2017

Bart Delsaert – 30 november 2017

Enkele Deepsky opnamen

Bart Delsaert – 30 november 2017

NGC 7331 – Deer Lick groep

Astrosib RC250 f6 – QHY9 11x1200s (L) & 3x4x1200s (RGB) Montlaux, FR september 2013

Bart Delsaert – 30 november 2017

IC 5146 - Cocoon

Takahashi FSQ106 f5 – QHY9 25x600s (L) & 3x7x600s (RGB) Montlaux, FR september 2014 & 2015

Bart Delsaert – 30 november 2017

B150 - Zeepaardnevel

Takahashi FSQ106 f5 – QHY9 25x600s (L) & 3x7x600s (RGB) Montlaux, FR september 2014

Bart Delsaert – 30 november 2017

LBN 437 & Sh2-126

Takahashi FSQ106 f3,6 – ASI1600MM-C 370x60s (L) & 3x60x60s (RGB) Montlaux, FR september 2016

Bart Delsaert – 30 november 2017

LBN 437 & Sh2-126

Takahashi FSQ106 f3,6 – ASI1600MM-C 370x60s (L) & 3x60x60s (RGB) Montlaux, FR september 2016

Bart Delsaert – 30 november 2017

LDN 1251

Takahashi FSQ106 f5 – ASI1600MM-C 240x60s (L) & 3x60x60s (RGB) Montlaux, FR september 2016

Bart Delsaert – 30 november 2017

M1 - Krabnevel

Astrosib RC250 f6 – ASI1600MM-C 90x60s (L) & 3x30x60s (RGB) Overijse, B december 2016

Bart Delsaert – 30 november 2017

NGC 7635 - Bubblenevel

Astrosib RC250 f6 – QHY9 3x16x1200s (SII-Ha-O3) Overijse, B juli 2013

Bart Delsaert – 30 november 2017

NGC 7000 – Noord Amerikanevel

Takahashi FSQ106 f5 – QHY9 3x8x1200s (SII-Ha-O3) Overijse, B augustus 2012

Bart Delsaert – 30 november 2017

En wat met een DSLR?

Bart Delsaert – 30 november 2017

M45 – Pleijaden

Takahashi FSQ106 f5 – Canon 6D 20x600s Montlaux, FR 20 september 2015

Bart Delsaert – 30 november 2017

IC 2118 – Witch Head

Takahashi FSQ106 f5 – Canon 6D 18x600s Montlaux, FR 19 september 2015

Bart Delsaert – 30 november 2017

Grote Magelhaense Wolk

Samyang 135mm f2 – Canon 6D 37x120s Reitz, Zuid Afrika 10 oktober 2015

Bart Delsaert – 30 november 2017

Deneb-gebied (Cygnus)

Samyang 135mm f2 – Canon 6D(a) 90x60s Rhodos 7 juli 2016

Bart Delsaert – 30 november 2017

DSLR modificatie

Bart Delsaert – 30 november 2017

Cepheus

Samyang 135mm f2 – Canon 6D(a) 120x60s Montlaux September 2016

Bart Delsaert – 30 november 2017

Rho Ophiochi & Saturnus

Samyang 135mm f2 – Canon 6D(a) 90x60s Rhodos 7 juli 2016

Bart Delsaert – 30 november 2017

Astrofotografie

• Planeet, zon & maan – Hi-res, F > 3000mm

• Deepsky – Nevels & melkweg – Clusters – Galaxies

• Widefield

Bart Delsaert – 30 november 2017

Widefield

• DSLR of CCD • Met of zonder volging • Scenes

Bart Delsaert – 30 november 2017

Samyang 14mm f2.8 – Canon 6D 30s @ ISO1600 Montlaux, FR 25 september 2015

• Regel van 500 – 500/F lens = T(s)

– Voorbeeld: 500/24mm = 20,8s

• Donkere hemel, geen maan

• Breedhoeklens

• Statief

• Draadontspanner • F/2.8 max • ISO 1600-3200, vaste WB, RAW

• Manual Focus

Bart Delsaert – 30 november 2017

Samyang 14mm f2.8 – Canon 6D 30s @ ISO1600 Montlaux, FR 25 september 2015

• Manual Focus – Stap 1: Live view – Stap 2: Bahtinov masker

Bart Delsaert – 30 november 2017

Startrails

Samyang 14mm f2.8 – Canon 6D 100en x 30s @ ISO1600 Montlaux, FR 25 september 2015

www.startrails.de

Bart Delsaert – 30 november 2017

Bart Delsaert – 30 november 2017 Samyang 14mm f2.8 – Canon 6D, 300 x 30s @ ISO1600 Albondón, Spain, August 2015

Bart Delsaert – 30 november 2017 Samyang 14mm f2.8 – Canon 6Da, 1 x 60s @ ISO1600 Rhodos, August 2016

Bart Delsaert – 30 november 2017 Samyang 35mm f1.4 – Canon 6Da, 120 x 60s @ ISO1600 Montlaux, September 2016

Bart Delsaert – 30 november 2017

Enkele recente resultaten ROSA

Bart Delsaert – 30 november 2017

M101 Ursa Major

67x300s L 3x22x300s RGB maart & april „17

Bart Delsaert – 30 november 2017

VdB152 Cepheus

64x300s L 3x18x300s RGB april & mei „17

Bart Delsaert – 30 november 2017

VdB141 Cepheus

82x300s L 3x18x300s RGB juni & juli „17

Bart Delsaert – 30 november 2017

LDN1235 Cepheus

70x300s L 3x17x300s RGB juni & juli „17

Bart Delsaert – 30 november 2017

NGC1333 Perseus

85x300s L 3x24x300s RGB september „17

Bart Delsaert – 30 november 2017

NGC1333 Perseus

85x300s L 3x24x300s RGB september „17

Bart Delsaert – 30 november 2017

Sh2-155 Cepheus

75x300s L 56x300s Ha 3x18x300s RGB juni & juli „17

Bart Delsaert – 30 november 2017

Sh2-187 & LDN1317 Cassiopeia

110x300s L 3x24x300s RGB juli & september „17

Bart Delsaert – 30 november 2017

M78 Orion

70x300s L 3x20x300s RGB oktober „17

Bart Delsaert – 30 november 2017

M33 Triangulum

54x300s L 42x300s Ha 3x22x300s RGB okt & nov „17

Bart Delsaert – 30 november 2017

M82 & M81 Ursa Major

62x300s L 24x300s Ha 3x24x300s RGB november „17

Bart Delsaert – 30 november 2017

VVS Astrofotografiedag 2018 Zaterdag 27 januari

Urania

Bart Delsaert – 30 november 2017

Bedankt !

http://delsaert.wordpress.com