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tilbrook@rbe.ne
03-07-2012, 12:19 AM
Desperate is the word!!

The weather has been lousy for a while now, so imaged eta knowing I would at least get something!

I stuck to one minute exposures so not to saturate with moon light.

Telescope 8" f/4 astrograph on a HEQ Pro 5 mount, orion mini guider.
Unmodded Canon 1100D at ISO 800.
55 x 60 sec subs ISO 800.
11 dark frames, 11 flat frames and 11 bias.
Stacked in DSS and post process in Phototshop.
Cheers,

Justin.

Ross G
03-07-2012, 05:44 AM
Hi Justin,

I know your desperation!

Photo looks really good.

Colours very nice, especially considering the moon light.

I am still amazed at the great tracking and stars you get with an 8" on an HEQ5.

Ross.

tilbrook@rbe.ne
03-07-2012, 05:38 PM
Hi Ross,

Thanks for the comments.

The tracking is good for the HEQ pro 5 mount, especially with the orion mini guider. My main advantage is that it's setup in the obsevatory so no realignment needed.

There is a neat trick in photo shop for cleaning up stars, I use the median noise filter set to one pixel. Then gausian blur and unshrp mask, this makes the stars a little tighter.

Cheers,

Justin.

atalas
04-07-2012, 08:40 PM
Nice work again Justin.

strongmanmike
05-07-2012, 03:40 PM
Hey, very nice colours there Justin :thumbsup:

Mike

tornado33
05-07-2012, 04:13 PM
Yes I agree its not monochromatic but shows definate differences in colour across the Nebula. very nice.
Scott

tilbrook@rbe.ne
05-07-2012, 06:43 PM
Thanks Louie, Mike and Scott.

I'm slowly learning not to kill the image in moon light conditions.

Cheers,

Justin.

Stevec35
05-07-2012, 10:08 PM
Nice one Justin. I think that would rate as a very good Eta picture even if the full moon wasn't there.

Cheers

Steve

tilbrook@rbe.ne
08-07-2012, 12:57 PM
Thanks Steve,

I find Eta so complex to process, so many variations!

Cheers,

Justin.

Forgey
08-07-2012, 04:22 PM
Very nice Justin, there are so many variations of Eta but your colours look lovely !

tilbrook@rbe.ne
08-07-2012, 11:30 PM
Thanks Paula!

Cheers,

Justin.