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M27-The Dumbell Nebula


Bottletopburly

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Just now, Graham said:

Very nice too David.

I am assuming that is a heavily cropped image.

No graham the zwo533mc is only 3008x3008 

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1 hour ago, Bottletopburly said:

No graham the zwo533mc is only 3008x3008 

 

That is a very impressive image scale 👍

  • Thanks 1
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6 hours ago, RonC said:

That's an impressive image Dave!!👍

Thanks ron I need to restack with the correct gain other than that I’m quite impressed with the filter 

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10 hours ago, Graham said:

 

That is a very impressive image scale 👍

Using the 200pds binned 2x2 image scale is 1.55 (1x1 0.78) my refractor is 2.22 1x1 (2x2 4.43) it’s odd as it’s a square sensor but for the 200pds quite suited for galaxies and clusters frame up quite nice , and on the refractor I should still get m42 and m31 in fov 

Edited by Bottletopburly
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14 minutes ago, Peter Shah said:

wow that superb....the outer shell showing nicely...no easy task!!

Thanks Peter and from bottle 5 skies too .

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Seems there was an issue with the Stacked Fit files from Astap thanks to Ivo Jager startools developer spotting that ,so issue was caused by not having normalise flats for osc ,so a quick processing Startools on both images  ,file link for anyone wanting to play with the data 

https://www.dropbox.com/sh/j8jzi6smizsm30x/AACZZi1iM05T3c1fb6w626h4a?dl=0

large.502034051_M272021-08-1373x180LEQMODHEQ56ZWOASI533MCPro(533MCPro)_stacked.jpg.68b8d8b4a426190d3a18ac6274b4768f.jpglarge.1865158440_M272021-07-1838x180LEQMODHEQ56ZWOASI533MCPro(533MCPro)_stacked.jpg.7238ac628f420a2d2b1d85c603afde5e.jpg

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