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Sh2-240 supernova remnant (mosaic) | by write_adam
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Sh2-240 supernova remnant (mosaic)

I've been meaning to capture the other half of this thing for over a year now. It's just an enormous target, more than filling the FOV of my widest scope/camera combination.

 

It's also a very faint target ... please forgive the noisiness, I cranked up the curves to better show the faint nebulosity.

 

Thanks for looking!

 

Details:

 

2 panels in Ha, 140 minutes and 200 minutes (@ 20 min exposures)

 

Telescope = Takahashi FSQ-85EDX

Camera = STL-11000M

Mount = EQ6 Pro

Software = capture, stacking and alignment in MaximDL; mosaicking, levels and cropping in Photoshop

Location = Captured from Toronto and Eastern Ontario, in Nov 2010 & Oct 2011.

 

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Taken on October 11, 2011