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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