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24-04-2013, 08:49 PM
Registered User
Join Date: Apr 2013
Location: Country Vic
Posts: 52
First post
Hi Everyone,
The name is Dave Moulton I have been invited to the forum by a fellow member Amanda, so just saying hi from the Uk.
I live in North Wales and am passionate about Astrophotography. I hope to pick up some top tips from you guys to improve my images.
If I can figure it out I will add an image taken from home of the witches broom in Cygnus
http:///www.flickr.com/photos/564758...in/photostream
Cheers,
Dave
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24-04-2013, 08:55 PM
6EQUJ5
Join Date: Oct 2004
Location: Sydney
Posts: 3,663
Welcome to IIS, Dave and what a cracker of an image to announce yourself!
Narayan
24-04-2013, 08:59 PM
Registered User
Join Date: Feb 2005
Location: Launceston Tasmania
Posts: 9,021
Welcome to IIS Dave, beautiful image. Feel free to post some pics of your earthly surrounds as well, it's always nice to see other parts of the world.
24-04-2013, 09:04 PM
JHT
Join Date: Jun 2007
Location: Penwortham
Posts: 3,039
Welcome Dave!!
What gob smacking rendition of the witches broom.
I think we may have to learn some tricks from you.
Cheers,
Justin.
24-04-2013, 09:07 PM
Registered User
Join Date: May 2005
Location: Brisbane
Posts: 4,485
Excellent narrow band images, Dave - thanks for posting
24-04-2013, 09:11 PM
Registered User
Join Date: Apr 2013
Location: Country Vic
Posts: 52
Cheers guys, very kind of you.
Always something to learn with this astrophotography hobby, always willing to listen to any tips or tricks to improve BTW so feel free to comment
Looking for a Repeatable workflow as very time I visit the same data the pics turn out different. Retaining some star colour in narrowband images would be nice too if anyone has any tips
Cheers
Dave
24-04-2013, 09:41 PM
Like to learn
Join Date: Jul 2007
Location: melbourne
Posts: 4,835
Welcome Dave. Great image there
25-04-2013, 07:44 AM
Registered User
Join Date: Feb 2006
Location: Sydney
Posts: 18,185
A wonderful image. Very electric. What filters did you use for this?
Retaining star colours in narrowband images is usually done by an RGB set that is added to the narrowband image using layers and masking the stars out of the narrowband and lighten mode on the rgb so the rgb stars show up and the narrowband ones are masked out. Narrowband stars are often smaller than RGB stars so this works pretty well.
I did this here:
http://www.pbase.com/gregbradley/image/137164599
http://www.pbase.com/gregbradley/image/134304721
How to do a mask for the stars is covered in Louie Atalas free tutorials. Try googling his name.
Greg.
25-04-2013, 08:45 AM
Registered User
Join Date: Apr 2013
Location: Country Vic
Posts: 52
Cheers for the info Greg.
The camera I currently have is a QSI583 the built in filter wheel has five slots so not enough room for RGB as well as narrowband.
Just can't bring myself to swap filters during an imaging run.
I may have to though I guess .
Btw filters used were Astrodon 5nm
I will go take a look at your pics.
Cheers thanks again,
Dave
25-04-2013, 08:52 AM
Registered User
Join Date: Apr 2013
Location: Country Vic
Posts: 52
Quote:
Originally Posted by
gregbradley
A wonderful image. Very electric. What filters did you use for this?
Retaining star colours in narrowband images is usually done by an RGB set that is added to the narrowband image using layers and masking the stars out of the narrowband and lighten mode on the rgb so the rgb stars show up and the narrowband ones are masked out. Narrowband stars are often smaller than RGB stars so this works pretty well.
I did this here:
http://www.pbase.com/gregbradley/image/137164599
http://www.pbase.com/gregbradley/image/134304721
How to do a mask for the stars is covered in Louie Atalas free tutorials. Try googling his name.
Greg.
Stunning work Greg as good as I have seen anywhere, you have a supreme talent, fantastic. Love them
25-04-2013, 02:06 PM
Registered User
Join Date: Aug 2009
Location: perth w.a.
Posts: 2,276
fantastic image taff!
pat
25-04-2013, 07:10 PM
Registered User
Join Date: Apr 2013
Location: Country Vic
Posts: 52
Quote:
Originally Posted by
blink138
fantastic image taff!
pat
Cheers Pat, Diolch un fawr iawn
25-04-2013, 07:25 PM
Registered User
Join Date: Jul 2011
Location: Brisbane
Posts: 1,865
Very nice work, Dave! Look forward to seeing more of it soon.
25-04-2013, 08:21 PM
PI rules
Join Date: Jul 2006
Location: Sydney
Posts: 2,631
Welcome Dave. Terrific image, although there do seem to be some compression artifacts.
Geoff
25-04-2013, 10:51 PM
Registered User
Join Date: Apr 2013
Location: Country Vic
Posts: 52
Quote:
Originally Posted by
ghsmith45
Welcome Dave. Terrific image, although there do seem to be some compression artifacts.
Geoff
I'm sure you are right. the image is only 110k ish so heavily compressed as you say.
cheers.
Dave
26-04-2013, 08:38 AM
Registered User
Join Date: Feb 2007
Location: Melbourne, Victoria
Posts: 1,053
Welcome Dave
Beautiful image!
Cymru am byth! (My family hails from Porthmadog, though I was born here)
Niko
26-04-2013, 11:07 AM
On a quest for knowledge
Join Date: Apr 2013
Location: Melbourne, Australia
Posts: 44
Sublime shot here Dave - so pleased you joined and nice to see you here on IIS, just joined too myself.
Am not experienced enough to any comments/suggestions on a technical basis - just know that it's one darn good shot.!
Hope to see more of these beauties in the forums..
Amanda.
26-04-2013, 11:30 AM
Registered User
Join Date: Feb 2005
Location: Monto
Posts: 16,741
Pardon me while I pick my jaw up off the ground.
Welcome to IIS David.
26-04-2013, 02:45 PM
ze frogginator
Join Date: Oct 2007
Location: Sydney
Posts: 22,080
That's a really great shot. Gorgeous colors. Only wish it was higher in the sky for us too.
27-04-2013, 02:08 AM
Registered User
Join Date: Apr 2013
Location: Country Vic
Posts: 52
Quote:
Originally Posted by
niko
Welcome Dave
Beautiful image!
Cymru am byth! (My family hails from Porthmadog, though I was born here)
Niko
Cheers Niko thanks for the welcome.
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