Atik Cameras Forum

Images => Deep Sky Images => Topic started by: NielsVChr on July 19, 2014, 08:17:04 pm

Title: Cocoon Nebula, a LHa-LRHaGB picture taken 17. & 19. July 2014
Post by: NielsVChr on July 19, 2014, 08:17:04 pm

Hi,
the cocoon nebula taken 17. & 19. July-2014, less than 10km from the city center of Copenhagen, Denmark.
(https://dl.dropboxusercontent.com/u/10089041/Test1/CocoonLHaRGB-Master16-18July-14-V2-70.jpg)
As said in the header, it is a LHa-LRHaGB picture taken with LX200ACF 16" telescope and Atik 460ex mono camera, baader filters used.
Exposure times are: Lum=35*30sec+22*60sec, R=14*60sec, G=15*60sec, B=21*60sec, Ha=8*5min.
Thanks for looking.
Kind regards Niels

Title: Re: Cocoon Nebula, a LHa-LRHaGB picture taken 17. & 19. July 2014
Post by: NielsVChr on July 20, 2014, 02:40:31 pm

... had time time during the night of the 20. July 2014 to add Ha=18*5min. to the picture,
(https://dl.dropboxusercontent.com/u/10089041/Test1/CocoonLHaRGB-Master16-18-20July-14-70.jpg)
Kind regards Niels

Title: Re: Cocoon Nebula, a LHa-LRHaGB picture taken 17. & 19. July 2014
Post by: NielsVChr on July 22, 2014, 05:07:13 pm

... my last night, 22. July 2014, together with this object. Was able to get in total 6,4hours exposure of this nebula. The picture is composed as a 2LHa-RHaGB picture,
(https://dl.dropboxusercontent.com/u/10089041/Test1/LHa-LHaRHaGB-CocoonNebula-16-22-07-2014-70.jpg)
Thanks for looking. Kind regards Niels

Title: Re: Cocoon Nebula, a LHa-LRHaGB picture taken 17. & 19. July 2014
Post by: MikeM on July 23, 2014, 01:25:09 pm

Very nice Niels. The extra time on the second image helped a lot bringing out the shell.

Title: Re: Cocoon Nebula, a LHa-LRHaGB picture taken 17. & 19. July 2014
Post by: NielsVChr on July 23, 2014, 07:01:34 pm

Thanks Mike, appreciate your comments. Kind regards Niels

Title: Re: Cocoon Nebula, a LHa-LRHaGB picture taken 17. & 19. July 2014
Post by: NielsVChr on August 04, 2014, 04:38:47 pm

... during start August, I was able to get more raw data, now added to the above picture data, OIII=14*5min. and SII=19*5min.
(https://dl.dropboxusercontent.com/u/10089041/Test1/FinalCocoon-2-8-2014-Adjusted3-8-14-1-70.jpg)
It's now a 9,1 hours 2LHa-RHaSII,GOIII,BOIII picture taken during July-August 2014.
Kind regards Niels

Title: Re: Cocoon Nebula, a LHa-LRHaGB picture taken 17. & 19. July 2014
Post by: NielsVChr on August 05, 2014, 06:30:22 pm

... For now this is the "final" one, same raw data as the above picture, but not cropped as much,
(https://dl.dropboxusercontent.com/u/10089041/Test1/IC5146-CocoonNebula05-08-2014-70.jpg)
A 16bit tiff is here,
https://dl.dropboxusercontent.com/u/10089041/Test1/IC5146-CocoonNebula05-08-2014-70.tif (https://dl.dropboxusercontent.com/u/10089041/Test1/IC5146-CocoonNebula05-08-2014-70.tif)
The picture size is 70% of the original size.
Kind regards Niels