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  1. Galleries
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  4. » The space

 
The space...

Astrofotogafia2

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The space sent on November 22, 2015 (23:28) by Gianni_liuzzi. 2 comments, 481 views. [retina]

, 15 sec f/2.8, ISO 3200, tripod.

M78 si individua molto facilmente, partendo dalla stella Mintaka, una delle tre stelle della Cintura di Orione, poi Alnilam e Alnitak e spostandosi di 3° verso est e mezzo grado a nord. L'oggetto è anche alla portata di un binocolo 10x50, sebbene occorra un cielo molto nitido per la sua osservazione, come pure osservandolo con un telescopio da 60-80mm di apertura; si vede invece molto ben chiaramente in un 140mm, dove si mostra come una macchia ampia di colore grigiastro o azzurrognola e circondante una coppia di stelle. In un 300mm il lato settentrionale possiede un bordo netto, causato dalla presenza di una banda oscura.[1] M78 può essere osservata da entrambi gli emisferi terrestri, grazie alla sua posizione praticamente equatoriale: l'oggetto infatti raggiunge la medesima altezza in cielo da ogni coppia di latitudini opposte (ad esempio 30°N e 30°S), pertanto nessun emisfero risulta privilegiato rispetto all'altro per la sua osservazione.[2] Il periodo migliore per la sua individuazione nel cielo serale è quello compreso fra novembre e aprile. A destra vediamo m43 Hatsya, è la stella più luminosa dell'asterismo della Spada di Orione



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2 persons like it: Albertopantellini, Paoloeffe


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avatarjunior
sent on November 24, 2015 (16:10) | This comment has been automatically translated (show/hide original)

An attempt was not very successful I would say.
Star moves, digital noise, pollution. The only thing that is perceived is just not m42 m43 (m43 m42 is a part of the Orion Nebula)
A forgot to m78 I do not really see: fconfuso:
So far the criticism and forgive me but always for a good purpose.
The tips, well start with less seconds of exposure to prevent blur of the sky and maybe more shots to be added to the limit and if m42 saturated too then you can intervene in PP.
Then focuses more the constellation, for light pollution well there is little you can do except hope for a blackout like the one a few years ago: -D or you could try taking a later time in order to have the subject a little higher on the horizon opwell wait a month.

avatarsenior
sent on November 24, 2015 (23:47) | This comment has been automatically translated (show/hide original)

Richard certainly appreciate the comments the next attempt


RCE Foto

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