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11/30/-1
    
Tuesday, December 1st, 2009
More Hydrogen Alpha Imaging 12-1 and 12-2
We've had 2 night of crystal clear viewing. Yay! Unfortunately, the moon is full. Waaaaaa...

But these days I have the H-alpha filter to keep me imaging even when the moon is full! Yay!

12/1: The primary target tonight was the Heart Nebula IC 1805 with the Ha filter through the ZenithStar 66. 20 minute sub exposures and 3 hours of integration time. This is the first time I've imaged this nebula so I wasn't sure how it would turn out.
 
12/2: I also shot 3 hours 40 minutes of IC 1848. The image got a little soft since I forgot to turn on the dew heater and the objective frosted over. Doh! I hope I don't make that mistake too often.
 
The Heart Nebula IC 1805 Image in H-alpha
I've also been wanting to shoot this since I got the Ha filter, but it wasn't my first target. The reality is that it was the furthest, large nebulae target from the moon! 3 hours 20 minutes is made up of only 10 frames - I'm still getting used to that.

Scope: William Optics ZenithStar 66 SD @ f/4.7 w/WO 0.8x Flat II Reducer
Mount: Orion Sirius EQ-G with GoTo
Guiding:  Meade DSI Pro and PHD Guiding
Guide Scope: Vixen R200SS 200mm
Camera: Canon EOS 1000D (modified) w/Astronomik 12nm Ha Clip In Filter
Special Settings: None
ISO: 1600
Exposure: 3 hours 20 minutes - (10 x 1200s)
Processing Software: Acquired in Nebulosity with Extreme dithering, Stacked in Deep Sky Stacker (Kappa-Sigma Median Clipping for all frames), Levels, Curves, Astronomy Tools, Gradient XTerminator and Noise Ninja in Photoshop
Support Files: 50 flats, 50 bias, 12 darks
See Gallery below for image

The Soul Nebula IC 1848 Image in H-alpha
I've also been wanting to shoot this since I got the Ha filter, and combine the data with my RGB shot from the other month. I still have yet to combine the data, but I'll use tonight's image to do that.

Scope: William Optics ZenithStar 66 SD @ f/4.7 w/WO 0.8x Flat II Reducer
Mount: Orion Sirius EQ-G with GoTo
Guiding:  Meade DSI Pro and PHD Guiding
Guide Scope: Vixen R200SS 200mm
Camera: Canon EOS 1000D (modified) w/Astronomik 12nm Ha Clip In Filter
Special Settings: None
ISO: 1600
Exposure: 3 hours 40 minutes - (11 x 1200s)
Processing Software: Acquired in Nebulosity with Extreme dithering, Stacked in Deep Sky Stacker (Kappa-Sigma Median Clipping for all frames), Levels, Curves, Astronomy Tools, Gradient XTerminator and Noise Ninja in Photoshop
Support Files: 50 flats, 50 bias, 12 darks
See Gallery below for image


Image Gallery For This Session
01 IC1805 Ha 3h 20m 02 IC1805 Ha 3h 20m bw
03 IC1848 Ha 3h 40m 04 IC1848 Ha 3h 40m bw
   

01-IC1805-Ha-3h-20m.jpg
Click picture above for larger version
If the picture seems too bright or too dark, try adjusting the brightness below.
Brightness:
|
  



Comments:
On 12/04/09 at 06:31pm Neil Heacock wrote:
Yay! Of course, these shots are black and white that have been colorized. I have yet to actually take a normal picture with the new camera.

-Neil

On 12/04/09 at 02:00pm Dave wrote:
Ya...you are getting red stuff now I see..!!

On 12/02/09 at 09:22pm Miquel wrote:
Excellent shot! I love it!



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