Telescope Reviews: Second attemt with PST and Nikon D200 (Unmodified)

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Goran Strand
super member

Reged: 03/05/08
Posts: 134
Loc: Jamtland, Sweden

Second attemt with PST and Nikon D200 (Unmodified) new

#3363218 - 09/29/09 07:08 AM

This is my second attempt using my Nikon D200 on my PST with a 2x barlow. This is 9 images bracketed with 1EV between each image.

Still working on a good way to focus.

Dot in the corner is the Earth as comparison.

--------------------
Fotograf i Östersund Frösön Jämtland Norrland
Meade LXD-55 SN6"
Willian Optics Megrez 72
Astro Travel 80mm/f5
AstroTrac TT320
Nikon D300 with several lenses

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swisswalter
sage

Reged: 03/29/09
Posts: 414
Loc: Eastern-Switzerland

Re: Second attemt with PST and Nikon D200 (Unmodified) new

[Re: Goran Strand]
#3363395 - 09/29/09 09:21 AM

hi goran

it's getting better. try maybe next without the barlow

walter

--------------------
only dust in the wind, TAK on GM8, Lunt 60, DMK31,still greenhorn, but as a golfer used to be humble

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Ralph Marantino
Postmaster

Reged: 05/01/05
Posts: 6331
Loc: Old Bridge, New Jersey

Re: Second attemt with PST and Nikon D200 (Unmodified) new

[Re: swisswalter]
#3363469 - 09/29/09 09:55 AM

Not bad at all keep it up.

--------------------
Lunt H-alpha LS100THa/B3400
Rockland Astronomy Club
Member BAA Solar Section
Central Appalachian Astronomy Club
Astronomical League
DSPST,PST & 70mm Coronado Cal K telescope.2.2A
Zeiss 2 inch prism diagonal&Zeiss Zoom EP
2inch APM Herschel Wedge in a 94mm F7 Brandon
14.5 inch f4.2 Starmaster Dob(Zambuto mirror)
TeleView Genisis SDF with 1000 Oaks Glass filter
Zeiss 63mm f13.5 refractor 1000 Oaks Glass filter
Itty Bitty Solar Radio Telescope.
LHRIES Lite Solar Spectrometer

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Goran Strand
super member

Reged: 03/05/08
Posts: 134
Loc: Jamtland, Sweden

Re: Second attemt with PST and Nikon D200 (Unmodif new

[Re: Ralph Marantino]
#3363576 - 09/29/09 10:49 AM

Anyone having any tips on how to avoid/remove newton rings?

--------------------
Fotograf i Östersund Frösön Jämtland Norrland
Meade LXD-55 SN6"
Willian Optics Megrez 72
Astro Travel 80mm/f5
AstroTrac TT320
Nikon D300 with several lenses

Post Extras:

marktownley
Carpal Tunnel

Reged: 08/19/08
Posts: 2267
Loc: West Midlands, UK

Re: Second attemt with PST and Nikon D200 (Unmodif new

[Re: Goran Strand]
#3363731 - 09/29/09 12:23 PM

Getting there!

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swisswalter
sage

Reged: 03/29/09
Posts: 414
Loc: Eastern-Switzerland

Re: Second attemt with PST and Nikon D200 (Unmodif new

[Re: marktownley]
#3363902 - 09/29/09 01:37 PM

hi goran

usually it's the camera. but it can also be the barlow. that's the reasen i recommend to make a series without barlow

walter

--------------------
only dust in the wind, TAK on GM8, Lunt 60, DMK31,still greenhorn, but as a golfer used to be humble

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Keith Howlett
scholastic sledgehammer

Reged: 03/06/07
Posts: 977
Loc: Northumberland, UK

Re: Second attemt with PST and Nikon D200 (Unmodif [Re: Goran Strand]
#3367164 - 09/30/09 09:59 PM

Quote:

Anyone having any tips on how to avoid/remove newton rings?

Hi Goran,

Paul Hyndman has written a useful primer on H-alpha solar imaging which includes a page on Newton's Rings.

You can find it as a PDF download at the foot of his home page:

Astro Nut

It's worth a read.

His website also contains an interesting progression of H-Alpha images that he took with an unmodified DSLR with comments about the difficulties he encountered and worked around.

Cheers,

Keith

Edited by Keith Howlett (09/30/09 10:06 PM)

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