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Rosette in H-alpha

Technical card

Imaging telescope or lens: Takahashi FSQ106ED

Imaging camera: Alta U8300

Guiding telescope or lens: Takahashi FS60-CB

Guiding camera: Atik 16IC

Filter: Ha 5nm

Accessory: Atik EFW2 Filter Wheel

Resolution: 3260x2368

Dates: Oct. 28, 2014

Frames: 17x1200"

Integration: 5.7 hours

Avg. Moon age: 4.61 days

Avg. Moon phase: 22.21% job: 407262

Locations: Observatoire personnel, Vérossaz, Valais, Switzerland


Rosette nebula - NGC2239 - H-alpha only - HDR

Captured 10/28/2014 with Takahashi FSQ106ED @f/3.65 387mm focal length with Apogee Alta U8300 monochrome and Astrodon H-a 5nm narrowband filter.

17 x 1200s H-a unibnned = 5h40

Software: MaximDL to capture - CCDStack to calibrate, register, normalize, data reject and combine - TrueHDR and Photoshop CS5 and PixInsight for non-linear streching.



David Lindemann



Rosette in H-alpha , 


        David Lindemann