My first night sky

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Astrophotography

17.9 MEGAPIXEL

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Notturno View gallery (12 photos)

My first night sky sent on November 05, 2012 (21:49) by Cammelo. 7 comments, 3037 views.

at 18mm, 20 sec f/3.5, ISO 2000, tripod.

è il mio primo tentativo di fotografare le stelle... in giardino, in mezzo a 4/5 lampioni, con un 18 f3,5, non posso che essere "discretamente soddisfatto"... anche se devo fare qualche tentativo in più, sia nello scatto che nella PP!

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3 persons like it: Es.photo, Giusppe, Michela Checchetto

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user15434

sent on November 05, 2012 (22:38) | This comment has been automatically translated (show/hide original)

Nice shot of Cassiopeia ... Whereas then is your first astronomical image ;-)!
Hello,
David

Cammelo

sent on November 05, 2012 (23:23) | This comment has been automatically translated (show/hide original)

I was just looking at some of your shots ... wow! apart from the clear need for a sist. motorized equatorial (I've seen ads for 350/400 eurini) tonight I discovered a world!
You actually post my very first shot through the roof after a few photos with the 300 free hand ...
Tonight was too inviting, clear, cold, no humidity ... I wanted to do this experiment just to make me an idea of ??what you can get, even if the kit with the 18-135 and in the garden in the middle of the street lamps had no great pretensions!
I aumentaoi the gain of live view (with magic lantern) to be able to see the brightest stars and I framed the point less polluted by lights around.
In PP I correct in ACR for the lens to eliminate chromatic aberration and cooled Exposition, PS I doubled in the pastthe level, molten for shielding, a passage in Dfine to eliminate noise, accentuates passage, fusion linear light and a modified coat the S curve ... A lot of steps in order to understand the effects that you get and experience to make a first post in this type of photo ... Again, no claim to get risultatoni! But in the end I feel moderately satisfied.
Aprofitto of your preparation to take off a curiosity: in the center, slightly to the right and up, there is a star of yellowish color with a kind of halo on the diagonal, the denoise made it very obvious but is quite visible in the RAW ... Can you tell me what it is? Andromeda?
Hello and thank you for the visit and the comment!

user15434

sent on November 05, 2012 (23:38) | This comment has been automatically translated (show/hide original)

Do not kill me the Andromeda galaxy (poverina. killed by denoise ..:-D)
Hello and welcome to the world of astrophotography ...
David

Cammelo

sent on November 05, 2012 (23:47) | This comment has been automatically translated (show/hide original)

Next time I will try to do a series of shots, perhaps alternating shots blacks (with cap) to subtract the noise), and then join them ... Maybe I avoid using the denoise or Dfine and lose a lot of details!
But need a dedicated program to superimpose the pictures taken without tracking? And ... this approach would allow me to lower ISO and reduce the time?
I think tonight I started a new line of experiments .... :-D

user15434

sent on November 08, 2012 (9:07) | This comment has been automatically translated (show/hide original)

Hello Cammelo,
good idea to take the "jitter blacks." Maybe also uses the "click white" or flat that can serve to correct vignetting and defects of the sensor. A short article about their meaning www.astrotrezzi.it/?p=697 find it here or on the site of AstroKiara.
To add the images you will need a word processing program such as astronomical images DeepSkyStacker or IRIS (links to them are here Astrolink www.astrotrezzi.it). If you need a guide then I recommend the IRIS www.astrotrezzi.it/docs/guida_iris.pptx while for something DeepSkyStacker are here astrotrezzitech.blogspot.it/2009/12/deep-sky- stacker-manual-utente.html (I had written years ago ...)
Greetings and welcome to the club:-D!
David

Cammelo

sent on November 08, 2012 (11:31) | This comment has been automatically translated (show/hide original)

Complicatino ... tonight ... I read it calmly. Thanks

user15434

sent on November 08, 2012 (14:18) | This comment has been automatically translated (show/hide original)

Strength and courage ... ;-)
hello,
David

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