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Cristian Danescu
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Cristian Danescu

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Dobson 400 mm and 600 mm Deep-Astro ! Move 800 X sideral speed
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Cristian Danescu

Deep sky imaging  - 
 
A Horse Head nebula - 5x1800 sec  Ha. Acquisition from november 2014, with MN190 on EQ6 belt drive/EQMOD, Atik314 L+ mono camera. The FWHM had a medium value of 3.6, wich is very much for my set-up (I had often 1.9). But the result is quite good. Hope you like it as well.
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Christopher Madson's profile photoCristian Danescu's profile photo
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Yes, indeed, you're right.
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Cristian Danescu

Deep sky imaging  - 
 
Here it is my Dumbbel nebula from this year. A narrowband composition Ha-OIII-OIII, 8x1200 sec Ha and 9x1200 sec OIII.
Aquisition with MN190/EQ6-belt drive/EQMOD, Atik314L+mono, guided by OAG/QHY5IIL mono. Processed in MaximDL (calibration and stacking), PI (registering, color calibration), StarTools (fine tunning). 
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Cristian Danescu

Amateur Astrophotography  - 
 
This is the intermediate result using 7 hours 55 minutes of exposure in H alpha and 4 hours in OIII, combining these as colors - R=Ha, G=OIII, B=OIII, color balance 1/4/4. I used MaximDL  for acquisition, calibrating, combining and stretching exposures, Photoshop for levels and curves and StarTools for fine tuning.
I will add SII exposures I already have to see what it will look like in the end. 
The stars halos are from OIII filter, this is a malfunction of the filter.
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Jennifer Atwell's profile photoCristian Danescu's profile photoChris Ryan's profile photo
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Thanks +Cristian Danescu.  I'm using a DSLR but hope to transition to mono CCD one day.
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Cristian Danescu

Amateur Astrophotography  - 
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Cristian Danescu's profile photo
 
The final bubble from 2013, a total exposure of 8.5 hours in Ha, SII and OIII, Hubble palette. I hope it will be better next year.
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Cristian Danescu

Amateur Astrophotography  - 
 
I made some OIII exposures to my previous pictures (H-alpha) and I combined them like this - R=Ha, G=Ha, B=OIII.
The result is nice and the picture gain volume now.
Enjoy!
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Cristian Danescu's profile photo
 
Is Bubble Nebula, between Cassiopeia and Cepheus constellations. Take a sky map and you'll find out where is it, more precise.
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Cristian Danescu

Deep sky imaging  - 
 
A picture I think I didn't post here (really?...) but I like it very much!
Wizard nebula in narrowband, from 2014.
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Cristian Danescu

Deep sky imaging  - 
 
This is my 2014 try to Bubble nebula, for the moment only Ha.
The OIII and SII shots will follow.

http://www.astrobin.com/109362/
AstroBin is an image hosting website specifically targeted to astrophotographers: it's the first and the last place where you need to upload your astrophotography images. Made by an astrophotographer, for the astrophotographers.
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Cristian Danescu

Amateur Astrophotography  - 
 
I insisted a bit on Heat Nebula, trying to obtain as much signal and resolution as I can, so last night I added 24 exposures, 900 sec each, again in H-alpha. Than I selected 21x900 sec and 8x1200 sec from previous session and the result seems to me to be much better. In the next nights, i will add some extra exposures in Ha and exposures in SII and OIII to obtain another picture in Hubble palette (narrow-band).
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Cristian Danescu

Amateur Astrophotography  - 
 
Another shot, this time 7 hours integration of 1200 sec exposures in H-alpha. The sky region is called Heart Nebula. This is just a detail of it because my set-up have a small field of view.
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