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  1. Galleries
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  4. » Andromeda Galaxy - No crop - On El Teide Mount

 
Andromeda Galaxy - No crop - On El Teide Mount...

Astrofotografia

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Andromeda Galaxy - No crop - On El Teide Mount sent on March 14, 2012 (13:34) by Geimsone. 15 comments, 2517 views.

ISO 25600,

LA foto è stata scattata a Tenerife a 2200 SLM vicino al monte El Teide. Posto spettacolare. Gli strumenti sono prettamenta astronomici. Obiettivo 106mm quadrupletto Takahashi, ed una CCD dedicata da 26000 ISO equivalenti. In totale sono 11 ore di ripresa combinate con Maxim Dl + photoshop.





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avatarjunior
sent on March 14, 2012 (15:42)


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Bellissima ! 11 ore Eeeek!!!

Bellissima! 11 hours

avatarjunior
sent on March 14, 2012 (15:47)


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SpettacolareEeeek!!!

Spectacular

avatarsenior
sent on March 14, 2012 (16:04)


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Niente da dire, meraviglioso!!! Eeeek!!!

Nothing to say, wonderful!

avatarsenior
sent on March 14, 2012 (16:38)


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Taka FSQ ? righe blu o righe rosse?? è un mosaico? ci sono quegli angoli chiari che fanno sembrare dei sormonti tipo mosaico...
però è molto bella hai contenuto bene anche il nucleo .... :-Pbella bella

Taka FSQ? blue lines or red lines? is a mosaic? There are those corners that make it seem clear overlaps kind mosaic ...
but it is very good content you well the core .... :-P bella bella

avatarsenior
sent on March 14, 2012 (19:37)


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WOW! Quadrupletto Takahashi, complimenti! Se è quello che conosco io, solo il tubo costa come *tutta* la mia strumentazione, attuale e passata, comprese fotocamere e montature!!!
Peccato per gli angoli, forse hai messo a registro immagini sottoposte a rotazione? Immagino che tu non abbia ripreso tutto in una sola notte. Pazzesco però, questa foto ha un tempo di posa 11 volte più lungo della mia!

ciao

Chiara


WOW! Quadruplet Takahashi, congratulations! If that's what I know, only the tube costs as * all * of my equipment, past and present, including cameras and frames!
Too bad for the corners, you may have to register put images subject to rotation? I guess you have not taken it all in one night. Crazy though, this photo has a shutter 11 times longer than mine!

hello

Clear

avataradmin
sent on March 15, 2012 (9:14)


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Cercherei di migliorare gli angoli, per il resto una foto veramente affascinante!

I would try to improve the corners, otherwise a truly fascinating photos!

avatarjunior
sent on March 16, 2012 (14:53)


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Eeeek!!!Eeeek!!!Eeeek!!!Eeeek!!!Eeeek!!!Eeeek!!!Eeeek!!!

wow!

avatarsenior
sent on March 17, 2012 (14:16)


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Cosa si intende per "quadrupletto" ?

What is meant by "quadruplet"?

avatarsenior
sent on March 17, 2012 (15:10)


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Il quadrupletto è un sistema di 4 lenti, serve per correggere le aberrazioni cromatiche e le distorsioni di campo. Di solito solo i rifrattori più pregiati hanno questo tipo di costruzione, in genere ci sono solo due lenti, per una riduzione solo parziale delle aberrazioni.

ciao

Chiara

The quadruplet is a system of four lenses, is used to correct chromatic aberrations and distortions of the field. Usually only the finest refractors have this type of construction, there are usually only two lenses, a partial reduction of aberrations.

hello

Clear

avatarsenior
sent on March 17, 2012 (16:02)


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In genere con un tripletto configurato bene tipo pentax ( doppiatto apo aplanatico + piu lente spianatrice posteriore) si riescono a eliminare le abberrazioni cromatiche ottiche e geometriche dello strumento tenendo un'apertura intorno a f 6-f 7.
Se si vuole uno strumento molto più aperto e con un cerchio immagine corretto di 10 cm tipo il taka FSQ allora bisogna utilizzare uno schema ottico a 4 elementi tipo petzval
modificato... aumentando la distanza delle due lenti spianatrici.
la differenza tra il vecchio FSQ e il nuovo e dovuta all'utilizzo del vetro ED rispetto alla fluorite (vietata) e un un maggior back-focus rispetto al precedente ,in modo da poter
andare a fuoco anche con strumenti di "tiraggio" maggiore.

Usually with a triplet configured correctly type pentax (apo doppiatto aplanatic lens + more leveling rear) is able to eliminate chromatic aberrations and geometric optics of the instrument by opening around f 6-f 7.
If you want a much more open, with an image circle of 10 cm type the correct taka FSQ then you must use a 4-element optical design type Petzval
changed ... increasing the distance of the two lenses flattening.
the difference between the old and the new FSQ and due to the use of glass elements with respect to fluorspar (prohibited) and a greater back-focus compared to the previous, so as to be able to
on fire with tools "draw" more.

avatarjunior
sent on March 17, 2012 (18:19)


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Grazie a tutti ragazzi, lo schema ottico si chiama petzval, dal suo ideatore Joseph Petzval nel 1840. Tre lenti correggono i piani dei colori e la quarta spiana (corregge il COMA ai bordi) fino a 88 mm di diagonale. I bordi purtroppo non sono riuscito a contenerli, se non croppando l'immagine, perché sono circa 80 immagini allineate e combinate tra loro. Il tubo di fattura giapponese è <<dicono>> il top degli astrografi da 100mm di apertura, il rapporto F è 5,0. E purtroppo questa è l'unica copia che ho finale della foto in JPG purtroppo. I raw chiamati FITS in astronomia, sono andati persi ed ancora non ci posso credere, con 4 HDD da 2tb interni e 2 da 1TB esterni da non crederci, anyway.
La foto è unica non sono mosaici, e le 80 foto sono state eseguite in + serate quindi rimettere i gradi a cui era ruotata la camera non era proprio semplice. Risultato angoli diversi.

Ciao Gianluca Alò

Thank you all guys, the optical design is called Petzval, by its inventor Joseph Petzval in 1840. Three lenses correct the plans of colors and fourth planes (fixes COMA at the edges) up to 88 mm diagonal. The edges are unfortunately not able to contain, if not croppando the picture, because they are about 80 images aligned and combined. The tube invoice Japanese << >> say the top of astrographs 100mm aperture, the F ratio is 5.0. And unfortunately this is the only copy that I have the final photo in JPG unfortunately. I called raw FITS in astronomy were lost and still can not believe it, with 4 HDD 2tb internal and 2 external 1TB can not believe it, anyway.
The photo is not unique mosaics, and 80 + photos were made in the evenings so forgive degree to which he had turned the room was not exactly easy. Result different angles.

Hello Gianluca Alò

avatarsenior
sent on March 18, 2012 (8:07)


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Troppo bella, complimenti...un sogno.

Too beautiful, congratulations ... a dream.

avatarsenior
sent on March 18, 2012 (18:48)


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molto bella, peccato solo per quei trangoli agli angoli. ciao

very nice, too bad only for those trangoli the corners. hello

avatarsenior
sent on April 19, 2012 (18:09)


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Triangoli a parte complimenti! E complimenti per il Taka!

Triangles in the compliments! And congratulations on the Taka!

user7274
avatar
sent on June 05, 2012 (19:18)


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Geimsone ciao, la foto non è male per carità, ma con un FSQ e un CCD raffreddato si
possono ottenere immagini decisamente migliori, sopratutto se scattate a Tenerife.
Mia opinione ovviamente;-)
11 ore di posa?? Come mai??
Ti allego un link di cosa si può ottenere, questa è fatta con un TEC 140mm, ma credimi,
con l'FSQ non sei molto lontano.
www.glitteringlights.com/Images/deepsky/13667287_7Mtr58#!i=1511603464&

Ciao
Piermario

Geimsone hello, the picture is not bad for charity, but with a FSQ and a cooled CCD is
images can be obtained much better, especially if taken in Tenerife.
My opinion of course ;-)
11 hours of installation? Why?
I am attaching a link to what you can get, this is done with a TEC 140mm, but believe me,
with the FSQ are not far away.
www.glitteringlights.com/Images/deepsky/13667287_7Mtr58 #! i = 1511603464 & k = qz4qtMT & lb = 1 & s = X3

Hello
Piermario


RCE Foto

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