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Friday, August 24th, 2012
IC5146 Cocoon Nebula

Location: Portland Downtown, Bortle 8
Sky Conditions: Clear with new moon
Total Exposure: 9.6 hours. 233subsx150seconds over 4 nights
Adquisition: MaximDL
Focus: FocusMax
Guiding: ST80+SSAG+MaximDL+EQMOD+PEC
Processing: Pixinsight + PS4 + Astrotools
Mount/Telescope Equipment: HEQ5 Pro + Orion Mak 1800mm
Imaging: QHY8L CCD
 
 
Enjoy it!


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ic5146
   

ic5146.jpg
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Comments:
On 08/24/12 at 10:47pm Miquel wrote:
Hi Greg, thank you. It was quite a challenge to put 9+ hours in an object so diffuse for an urban sky. I have a QHY8L color that I use for deep sky, and then I have a QHY9M that I've been using with my RGB filters. I've not taken the step to go into narrow-band imaging with QHY9M, although I have a nice Ha filter on it, but I would need an oxygen and a sulfur filters, and then 3x times more exposure due to the narrow band. I believe the pictures will be better, and I'm sure I'll take the dive one day...Thank you so much for the wonderful comments. It's hard to take these shots from an urban sky, but it makes it very rewarding when I hear this feedback.

On 08/24/12 at 08:55pm Greg wrote:
Miquel, this is a wonderful example of urban imaging and quite remarkable for the conditions. Still, I wonder why don't you try narrowband imaging?




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