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  #1  
Old 18-03-2007, 10:50 AM
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Eta Stl-11000m Narrow Band

Taken over two nights 2x20mins each channel 0111 HA S11 STL-11000M on G11 mount . Telescope NP101mm F/5.4
Thanks for looking
Phil
The high res is 50x better.
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  #2  
Old 18-03-2007, 10:57 AM
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Would love to see the full rez Phil.

The image does look some what clipped with plenty of nebula missing but this would increase with more exposure.

Looks great....lets see the full version.
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Old 18-03-2007, 11:15 AM
jase (Jason)
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Nice work Phil. I'd be interested in seeing a large version.

Interesting use of filters. Normally people map the colors to HOS or SHO, but you've done OHS. No rules, but interesting. I think you're a little too green in balance bearing in mind that the KAI-11000 chip is most sensitive at in this wave length. Perhaps start with a 1.5:1.0:1.5 (R:G:B or Ha:OIII:SII) ratio and work from there.

Not certain of the filters you are using. The astrodons make life easier by allowing same exposure time for all filters. The way they achieve this is through wavelength crosstalk. For example the G filter also allows a lot of the blue wavelengths through. The downside to this is contrast, as each filter is quite broad in what they transmit.
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Old 18-03-2007, 11:15 AM
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wow ,thats nice fine detail
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  #5  
Old 18-03-2007, 11:39 AM
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Kinda stunning Phil. Really






Comment from wife as she looked over my shoulder; Wow!!
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  #6  
Old 18-03-2007, 11:39 AM
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sent Tony
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Old 18-03-2007, 12:12 PM
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Thanks Phil,

Larger image but still cropped and compressed.

Warning 2mb http://www.users.on.net/~striker/ETA-colour2.jpg
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  #8  
Old 18-03-2007, 07:49 PM
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Phil

hear is another
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Old 18-03-2007, 08:32 PM
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beautiful Phil. first time I have seen ETA like that.
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