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Sunday, September 12th, 2010
Tonight I thought I'd shoot an H-alpha target since I already had the scope setup for it. The camera was on the scope, focused, Ha filter installed and ready to go. So I shot the Bubble Nebula (NGC 7635) in Cassiopeia.

This shot is 2 hours of 10 minute subs and 12nm Ha filter. The shot is the red channel only processed as a grayscale image and then colorized to a red again (Noel Carboni's B&W To Ha False Color Black Space).

M52 and The Bubble Nebula - NGC 7635
Scope: Vixen ED103S with WO Flat 2 0.8x FR/FF
Mount: Orion Sirius EQ-G with GoTo
Guiding:  Meade DSI Pro and PHD Guiding
Guide Scope:  William Optics ZenithStar 66 SD
Camera: Canon EOS 1000D (Modified)w/Astronomik 12nm EOS Clip-In Filter
Special Settings: None
ISO: 1600
Exposure: 2 hours (12 x 600s)
Processing Software: Acquired in Nebulosity with high dithering, Calibration, Stacking and DDP in Images Plus, Levels, Curves, Astronomy Tools and Noise Ninja in Photoshop
Support Files: 40 flats, 40 bias, 1 dark as Bad Pixel Map
See Gallery Below For Image


Image Gallery For This Session
BubbleNebula Ha 2h Only Bubble Ha 2h
   

BubbleNebula-Ha-2h.jpg
Click picture above for larger version
If the picture seems too bright or too dark, try adjusting the brightness below.
Brightness:
|
  



Comments:
On 09/14/10 at 11:38am Neil Heacock wrote:
Well, I didn't get out last night and the forecast looks like it's all rain. Tonight doesn't look promising.

DSS won't do it, but Images Plus will. So, I'll come over and we'll put it all together. That'll be fun.

-Neil

On 09/14/10 at 11:29am Barry wrote:
That would be very cool. I would be honored. Will Deep Sky Stacker actually combine data taken at different focal lengths?

On 09/13/10 at 04:37pm Neil Heacock wrote:
It was a great question. Very perceptive. It shows that you are not just looking at the subject at hand, but the overall image.

I think it was good that you asked it here where other's may have had the same question and can see the response.

If I get a chance I'd like to go out tonight and get the RGB data. If I don't get to, maybe you and I can combine our data and have a collaborative HaRGB shot of NGC 7635.

-Neil

On 09/13/10 at 04:00pm Barry wrote:
That makes sense. I hope you didn't mind the question.

On 09/13/10 at 03:18pm Neil Heacock wrote:
This is the nature of a narrowband monochrome image. The stars that do have color are red because they are colorized. When I add the RGB data things will change. The stars will be more natural and have color as well.

-Neil

On 09/13/10 at 03:13pm Barry wrote:
Hey Neil. Gotta question....please don't take offense. The image of the Bubble is extremely deep.....really terrific!!!! The Stars are my question. They are virtaully all the same size and same intensity with the exception of one or two......even M52. Is that be design or a function of Images Plus?



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