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M51 - Whirlpool Galaxy, 21/4/18
 
© M Coyles
Credit M Coyles (aka Marci / aPatchworkBoy)

M51 - Whirlpool Galaxy, 21/4/18

2hrs with EOS650D at 18Mp shooting visual colour range (240s subs @ ISO800), 1.5hrs with EOS1000D Full-spectrum-modified (no narrowband filters)  at 10Mp (120s subs @ ISO800 as core blows out VERY easily in full spectrum). 5x dark frames and 20x bias frames for the EOS1000D session. No flats. 

Stacked in DSS 64bit with 2x drizzle, processed in Photoshop CC 2018 (very little needed doing to it to be honest, just pull the saturation up a bit to bring the colour out).

This is a heavy crop hence the apparent low resolution of the final image.

This was the last outing for the EOS650D before I killed it, hence no darks / bias applied to the subs from that camera - it died in process of taking it off mount to shoot darks etc whilst I packed everything else away.


Credit

M Coyles (aka Marci / aPatchworkBoy)

Copyright

© M Coyles
From the album:

Marci’s Astropix

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Photo Information for M51 - Whirlpool Galaxy, 21/4/18


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