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  1. Galleries
  2. »
  3. Astrophotography
  4. » Thor's Helmet Nebula and Seagull

 
Thor's Helmet Nebula and Seagull...

Astrofotografia

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Thor's Helmet Nebula and Seagull sent on February 26, 2017 (17:50) by Giorgioastro. 14 comments, 756 views. [retina]

OGGETTO: Elmetto di Thor e Nebulosa Gabbiano LOCALITA': Tiglieto, 550m S.l.m. Genova, Italia CAMERA DI ACQUISIZIONE: Canon Eos 600D mod. Baader OTTICA: Nikon Nikkor 180 mm f/2,8 ais-ed LUNGHEZZA FOCALE: 180mm APERTURA: f/4 TEMPO ESPOSIZINE: 3h 16m (56 esp da 210”) ISO: 800 DATA: 25 febbraio 2017 MONTATURA: 10micron GM1000HPS INSEGUIMENTO: Automatico TEMPERATURA: T= +1 °C LUMINOSITA' DEL CIELO (con SQM-L): 20°,95 mag/arcsec^2


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user28347
avatar
sent on February 26, 2017 (18:41) | This comment has been automatically translated (show/hide original)

Crazy, a large lavorone clear, I know something with the film 20 years ago how difficult it is

avatarjunior
sent on February 26, 2017 (19:07) | This comment has been automatically translated (show/hide original)

Thanks Sapf, is a great compliment!

avatarjunior
sent on February 28, 2017 (2:23) | This comment has been automatically translated (show/hide original)

Very nice this too wide, here integration and the sky have helped you, excellent also made helmet thor: -o
yum ... the flat just do not like you eh ... a lps filter you think of that?
I told you I'm a break ...? :-P

avatarjunior
sent on February 28, 2017 (12:46) | This comment has been automatically translated (show/hide original)


avatarjunior
sent on February 28, 2017 (18:42) | This comment has been automatically translated (show/hide original)


avatarjunior
sent on February 28, 2017 (22:43) | This comment has been automatically translated (show/hide original)

Elio thanks for the tips ;-)

user44198
avatar
sent on March 01, 2017 (12:12) | This comment has been automatically translated (show/hide original)

.... Hello George, why do not you try the diaphragm objective to F 5.6? You would avoid even small ones with colors that are noticed on bright stars, especially those blue ... for the rest I find the fairly homogeneous background except in some areas where we highlight the small blue blotches which I think may be removed by action Topaz Labs Denoise denoise of type 6 (which I use for a few years) which would eliminate these small imperfections .. ;-)

avatarjunior
sent on March 01, 2017 (12:45) | This comment has been automatically translated (show/hide original)

Hello Richard, you're right, in fact I had already done some testing at f / 5.6 and the result was better.
Thanks for the indication of Topaz Labs Denoise 6, be downloading a free trial version so I try it right away. ;-)

avatarsenior
sent on March 22, 2017 (19:12) | This comment has been automatically translated (show/hide original)

Beautiful framing and results!
For flat, insist, and above all a test sw different from DSS, from whom I have never pulled out a calibrated processable.

avatarjunior
sent on March 22, 2017 (20:22) | This comment has been automatically translated (show/hide original)

Dear Lorenzo is a great pleasure to receive your compliments !!!
I take this opportunity to tell you that most of these results come from reading your book that you kindly autographed me to the Agnello Pass in 2012.
For flat, despite having followed your instructions are not able to get good results ... definitely something wrong, or maybe as tips you should try to change sw.
Best wishes,
Giorgio

avatarjunior
sent on March 23, 2017 (6:47) | This comment has been automatically translated (show/hide original)

Excellent, nothing to say. I like the delicacy with which you elaborato- where lately he tends to 'pump' the colors and a bit 'all (myself included). I agree with Lorenzo and Elio on DSS and I would try also with other software ... But then again it is already so much um pretty sight! For light colors (as they are light and not too intrusive) I would try to use the Ps action Noel Carboni rather than close to 5.6.

Very good ;-)

avatarjunior
sent on March 23, 2017 (10:32) | This comment has been automatically translated (show/hide original)

Many thanks Stephen! These compliments that I receive from people who know pictures are very important and incentive !!!
For colors I agree with you, I do not like to exaggerate, (although I see it slightly pale) I try to stop in time before I get carried away.
As regards the sw I must decide to consider an alternative, DSS is very simple and convenient, however, has its limits.
I can ask what action Noel Carboni you mean?
Thanks again, a warm greeting,
Giorgio

avatarjunior
sent on March 23, 2017 (15:52) | This comment has been automatically translated (show/hide original)

Hello George, thank you for the nice words.

The Noel Carboni actions you can simply find them by typing the name on google.

They work in Ps and have some nice features such as the reduction of stellar diameters and in the case of your photos the Reduce Small Blue / Violet Halos and Reduce Large Blue / Violet Halos. Logically are dosed well and do not overdo it but they do their 'job pig' ;-)

avatarjunior
sent on March 23, 2017 (19:39) | This comment has been automatically translated (show/hide original)

Thanks for the info, I'll try definitely. ;-)


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