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Stacking di 11 file raw scattati il 25 aprile alle 2 di notte dal balcone di casa in Brianza. Ogni scatto è stato realizzato con un 120/1000 acromatico su eq5 motorizzata con una barlow 2x a 3000mm equivalenti.(quello postato è un crop spinto con una intensa pp).
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sent on May 14, 2018 (21:23) | This comment has been automatically translated (show/hide original)
Good job! Congratulations I will then say which Barlow lenses used (model). Because I have telescope 200/1000 with Barlow 2x I'm not well. Thank you in advance Bel Lavoro! Complimenti mi poi dire quale lenti Barlow utilizzato (modello).perché ho telescopio 200/1000 con Barlow 2x non mi viene bene. Ti ringrazio in anticipo
sent on May 15, 2018 (23:05) | This comment has been automatically translated (show/hide original)
Thank you! then at 2000mm on APS-C are 3000m equivalent so I cropped at most 24 mpixel. Actually in visual are enough but I think they serve at least 4500 mm equivalent on which cropped to take photos with details, taking into account the diameter and the focal ratio of the instrument as a result of the use of Barlow. The Barlow I used is that 2x economic achromatic on the 50 euros of the Ziel/skywatcher. However I had a good seeing and I had collimated a few months before the telescope (fundamental factor). I also tried to make some videos in FULLHD but at that focal equivalent I would only worsen if I did a stacking, because it speaks for itself the resolution of frames.. also a single raw file is not comparable at first sight to this stacking and I also believe that the spotlight is more delicate to manage on planetary observation (should suffer more turbulence as I recall) Grazie! Allora a 2000mm su aps-c sono 3000m equivalenti quindi ho croppato al massimo i 24 mpixel. Effettivamente in visuale sono sufficienti ma credo che servano almeno 4500 mm equivalenti su cui croppare per fare delle foto con dettagli, tenendo conto del diametro e del rapporto focale dello strumento, in conseguenza all'uso di Barlow. La Barlow che ho usato è quella 2x acromatica economica sui 50 euro della ziel/skywatcher. Tuttavia avevo un buon seeing e avevo collimato qualche mese prima il telescopio (fattore fondamentale). Ho provato anche a fare dei video in fullhd ma a quella focale equivalente avrei solo peggioramenti se facessi uno stacking, poiché parla da sola la risoluzione dei frame.. Inoltre un singolo file raw non è paragonabile in prima vista a questo stacking e credo anche che i riflettori siano più delicati da gestire sull'osservazione planetaria(dovrebbero risentire più le turbolenze a quanto ricordo). Se non si dispone di motorizzazione è meglio procurarsi una buona Barlow e fare video da post produrre in stacking, se no serve una motorizzazione anche approssimata(ho puntato solo il cannocchiale polare a nord) e un telecomando di scatto remoto e modalità di scatto in Mup
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4.1 MEGAPIXEL
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