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Old 19-03-2012, 10:43 AM
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Peter.M
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Ngc 3576

Hi guys and gals,

Last night was a bit hit and miss. The seeing was absolutely horrible, and light cloud cover sweeped over my house in waves. But determined as ever I lugged my system outside. A few weeks ago I tryed my luck at this target, and I think I have bested that effort so I am happy. Locking the collimation bolts seems to have helped alot, stars at the corners look far better.

Not the pinprick stars that Peter Ward has in his rendition of this but I am happy with the outcome anyway.

Thanks for looking.
Pete.
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Last edited by Peter.M; 19-03-2012 at 10:58 AM.
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Old 19-03-2012, 12:05 PM
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hi Peter,

that looks very good. nice faint details as seen in this nasa apod http://apod.nasa.gov/apod/ap080326.html
that inner glow reminds of the glowing rose and bell jar in B&TB.
which camera did you use and was it the 8" F4? i'm guessing the slight noise are jpeg artefacts. I have the same scope and the MPCC and QHY8 and would love to get alteast some of the details in your shot.
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Old 19-03-2012, 12:11 PM
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It was taken with the 8 inch F4, the subs were 5 minutes 2X2 for colour and 10 minutes 1X1 for HA taken with my baader 7nm filter.

I would think your setup would be able to capture this. The uncompressed Tiff is far less noisy but when saving as a jpg I set the quality to around 4 so that I dont have to shrink it as much to upload.
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Old 19-03-2012, 12:17 PM
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multiweb (Marc)
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Superb.
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Old 19-03-2012, 12:19 PM
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telecasterguru (Frank)
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Peter,

Well done on the image. Nice detail. What capture and control software are you using?



Frank
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Old 19-03-2012, 12:25 PM
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I am using Maxim to control the camera, and PHD to guide. I would probally use Maxim to guide through my USB 2 EQ5 cable, but when I plug my camera into the computer it drops the EQmod connection.

It is a pain and means I have to be very selective with the order I do things because after I take a test shot I can no longer control the mount. I should look into why its doing it because it makes multiple night projects impossible (framing is impossible to get right).
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Old 19-03-2012, 12:32 PM
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Quote:
Originally Posted by Peter.M View Post
The uncompressed Tiff is far less noisy but when saving as a jpg I set the quality to around 4 so that I dont have to shrink it as much to upload.
Hi,
have you tried png format? I find that a lot better in quality with similar size as jpegs.
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Old 19-03-2012, 01:12 PM
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This gives you an idea of what I was dealing with last night. I slapped the DSLR on the mount after and took some quick shots.
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Old 19-03-2012, 07:42 PM
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A very good photo Peter.

Nice colour. Good looking stars too.

Ross.
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