M57 in Lyra

72 min total exposure in 4 min subs

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File information
Filename:	m57_040608.jpg
Album name:	MarkS / Messier Objects
Rating (5 votes):
Link-words:	Messier / Nebula
Image date, time and location:	4 June 2008, Sidcup
Telescope aperture and focal ratio:	Celestron C11 + F6.3 focal reducer on EQ6 mount. Guided with 300mm telephoto with Philips SPC900 webcam.
Camera and filters used:	Canon EOS 300D with Astronomik CLS filter
Processing applied:	Stacking, asinh dynamic range compression and mild Gaussian deconvolution (all in IRIS)
Filesize:	68 KiB
Date added:	Jun 05, 2008
Dimensions:	768 x 768 pixels
Displayed:	404 times
URL:	http://gallery.orpington-astronomy.org.uk/displayimage-481-_M57_in_Lyra_.html
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