Orpington Astronomical Society

Astronomy => Astrophotography => Topic started by: Tony G on Aug 19, 2008, 19:45:27

Title: Very Topical
Post by: Tony G on Aug 19, 2008, 19:45:27
Hi all,

I saw this today on APOD and thought 'where have I seen this lately' :-?

http://antwrp.gsfc.nasa.gov/apod/image/0808/ngc6960_block_big.jpg (http://antwrp.gsfc.nasa.gov/apod/image/0808/ngc6960_block_big.jpg)


Tony G

PS....................I was going to pass this off as mine, but thought better of it.................Cyber Police :police:
Title: Re: Very Topical
Post by: JohnP on Aug 19, 2008, 20:02:29
Yep- saw it as well pretty awesome - has a real 3d feel to it & the colours are great..

John
Title: Re: Very Topical
Post by: Rocket Pooch on Aug 19, 2008, 20:26:32
yoik :o
Title: Re: Very Topical
Post by: JohnP on Aug 19, 2008, 20:43:49
Who knows Chris - maybe France...... :-)

Looks like he has applied a tad too much noise removal - looks kinda soft on the full size....

John
Title: Re: Very Topical
Post by: RobertM on Aug 19, 2008, 22:02:36
I think the rainbow colours in the diffraction spikes are a bit ott and the main star's a tad saturated, not a bad image otherwise  :o

Title: Re: Very Topical
Post by: Rocket Pooch on Aug 19, 2008, 22:22:30
yes those DIFFRACTION SPIKES are awfull, maybe they applied them after the image was taken...
Title: Re: Very Topical
Post by: Tony G on Aug 19, 2008, 22:49:28
 :police:                       
                          :police:
                                                           :police:
           :police:                                  :police:
      :police:                  :police:

                      :police:


THIS IS A RAID!!!!!!!!................................ do not mention Diffraction Spikes!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Title: Re: Very Topical
Post by: Rick on Aug 19, 2008, 23:42:34
Quote from: Tony G on Aug 19, 2008, 19:45:27
PS....................I was going to pass this off as mine, but thought better of it.................Cyber Police :police:

You'd never have got away with it, and it wouldn't have been 'cos of those pesky kids cops! Your fellow imagers would have spotted it straight away! Those diffraction spikes are a dead give-away.  :afro:
Title: Re: Very Topical
Post by: Daniel on Aug 20, 2008, 00:21:58
I actually like diffraction spikes, im kinda missing them now im imaging with the SCT and the refractors, I've been thinking of putting some string accross the end of the SCT, feels a bit rubbish adding them in photoshop
Title: Re: Very Topical
Post by: Fay on Aug 20, 2008, 08:05:29
Wow, I like that, except for the spikes!!!!!!
Tony don't even think about passing it off as yours, believe me, I know by experience!!!!!!!!
Title: Re: Very Topical
Post by: JohnP on Aug 20, 2008, 09:07:24
ummm..... Pelican Nebula.......... :-) :-)
Title: Re: Very Topical
Post by: Rick on Aug 20, 2008, 09:29:46
Those genuine diffraction spikes are worth a close look, mainly because they are genuine artefacts of the primary imaging system.
Title: Re: Very Topical
Post by: Mike on Aug 20, 2008, 09:55:54
I doubt there is a lot the photographer can do about them but I find those ones quite distracting as they are completely OTT.
Title: Re: Very Topical
Post by: Rick on Aug 20, 2008, 11:40:29
Yeah. They're the result of the star being so much brighter than the rest of the field, but there's not a lot the photographer can do about that, especially when the telescope he's using has a 24" aperature. At least the spikes are narrow. Incidentally, there's a press release about the image here: http://uanews.org/node/21044
Title: Re: Very Topical
Post by: JohnP on Aug 20, 2008, 12:02:46
Interesting - would love to go on one of those workshops - I don't suppose there is any chance of the OAS sponsoring me... :-)

John