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11/30/-1
    
Sunday, July 6th, 2008
Tonight was clear enough to see the stars, but there was a high haze blocking out the fainter stars creating a limiting magnitude of about 4.5. I watched an airplane go through the sky with its headlights on and you could see the cone of light stretching hundreds of yards in front of the plane. It was damp right away as we've had some of the most humid days and nights I can remember.

Even still, I wanted to try experimenting with moving the focal reducer further away from the camera to see if that flattens the field more. The only T-Ring extender that I have is 2.25 inches long (its from an afocal camera adapter). It turned out to be too long to achieve focus. So I'm sticking with what I've got for now.

The images from tonight are pretty sloppy due to the sky conditions. I should have hit much brighter targets, but I was trying to shoot things in the darkest parts of the sky.
 
North American Nebula
3 minute subs were working for me again tonight. The tracking was good and it was keeping the stars as round as possible considering the atmosphere.

Scope: William Optics MegRez 90mm @ f/5.5 w/WO-FLAT-III 0.8x Focal Reducer
Mount: Orion Sirius EQ-G with GoTo
Guiding:  Meade DSI Pro and PHD Guiding
Camera: Canon EOS 350 Digital Rebel XT (unmodified)
Special Settings: None
ISO: 1600
Exposure: 30 minutes - 10 @ 180 seconds
Processing Software: Acquired in Nebulosity, Stacked in Deep Sky Stacker, Levels and Curves in Photoshop
See Gallery below for image

M52
As Cassiopeia was rising and the NAN was moving closer to Portland I thought I'd shoot M52 and the Bubble Nebula.

Scope: William Optics MegRez 90mm @ f/5.5 w/WO-FLAT-III 0.8x Focal Reducer
Mount: Orion Sirius EQ-G with GoTo
Guiding:  Meade DSI Pro and PHD Guiding
Camera: Canon EOS 350 Digital Rebel XT (unmodified)
Special Settings: None
ISO: 1600
Exposure: 1 hour - 20 @ 180 seconds
Processing Software: Acquired in Nebulosity, Stacked in Deep Sky Stacker, Levels and Curves in Photoshop
See Gallery below for image

Bubble Nebula
The stars are pretty bloated in this shot. Even more so then M52. The nebula is visible, but for an hour there isn't much there. I'm definitely going to hit this one again on a clear dark evening. It's in a good spot for me sitting in the darkest part of my sky.

Scope: William Optics MegRez 90mm @ f/5.5 w/WO-FLAT-III 0.8x Focal Reducer
Mount: Orion Sirius EQ-G with GoTo
Guiding:  Meade DSI Pro and PHD Guiding
Camera: Canon EOS 350 Digital Rebel XT (unmodified)
Special Settings: None
ISO: 1600
Exposure: 1 hour - 20 @ 180 seconds
Processing Software: Acquired in Nebulosity, Stacked in Deep Sky Stacker, Levels and Curves in Photoshop
See Gallery below for image


Image Gallery For This Session
Bubble Nebula 1h M52 1h
NAN 30m 25darks
   

Bubble-Nebula-1h.jpg
Click picture above for larger version
If the picture seems too bright or too dark, try adjusting the brightness below.
Brightness:
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