View Full Version here: : A series of deep space widefields
gregbradley
21-03-2013, 12:32 PM
Here is a series of deep space objects I took widefield last weekend.
D800E, Nikon 180mm F2.8ED or 24-70 F2.8ED.
http://upload.pbase.com/gregbradley/image/149284965 Saggitarius
http://upload.pbase.com/gregbradley/image/149284952 Eta Carina
http://upload.pbase.com/gregbradley/image/149284721 The Large Magellanic Cloud
http://www.pbase.com/gregbradley/image/149295415 The Southern
Cross
http://www.pbase.com/gregbradley/image/149225470 Rho Ophiuchi area (posted separately already)
All done on a Polarie mount.
Greg.
toryglen-boy
21-03-2013, 12:41 PM
very nice Greg, thanks for sharin' :)
RickS
21-03-2013, 01:26 PM
A wonderful collection of images, Greg!
Great series, Greg !!!
It looks like D800E doesn't need any modds for astrophoto, at least for widefields ..
:thumbsup:
gregbradley
21-03-2013, 02:26 PM
Thanks for that!
Thanks Rick. I reprocessed a couple to correct an incorrect histogram on 2.
It has surprisingly good Ha performance for a DSLR. Still nothing like a CCD cam but as you say for widefields the gain from a mod may not be that great (I am about to modify a Sony Nex 6 so I will know for sure soon!).
Greg.
multiweb
21-03-2013, 02:33 PM
Awesome shots Greg. Saggitarius would be my fav although the colors in the cross and coalsack are great. :thumbsup:
David Fitz-Henr
21-03-2013, 03:39 PM
Yes, all great images Greg!
In order of my preference:
1. Sagittarius / Rho Ophiuchus / Large Magellanic Cloud
2. Southern Cross
3. Eta Carina
... but not much between them.
Stevec35
21-03-2013, 03:41 PM
Great stuff Greg - like them all although Eta Carina is a bit burnt out in the centre. Maybe a bit of shadow highlight? BTW Sagittarius only has one g.
Cheers
Steve
gregbradley
21-03-2013, 03:49 PM
LOL. I knew I'd mispelt Sagittarius but I thought it had 2 r's!
I'll check out that burnt core.
Thanks Steve.
Thanks Marc and thanks for your help on the histograms - I learnt something new today!
Thanks David. Eta looked great on the camera LCD but not quite as good in the processing.
I have a few more to do. Small Magellanic Cloud, Orion and I took some Milky Way panoramas. Its quite tiring though as I didn't finish until 5am. It'll get easier as it rises earlier though.
I think I'll pick a target and set the intervalometer to do lots and see what happens. Maybe a mosaic of a few panels centred on Sagittarius would be the go.
Greg.
Larryp
21-03-2013, 04:35 PM
Great series of images, Greg:thumbsup:
strongmanmike
21-03-2013, 06:23 PM
Yeh great stuff Greg, you must be happy with those! I like'em all.... except the Rho region one, it looks a tad too white'sh and a bit harsh :confuse3: but in the end a great collection :)...bit jealous actually, my Nikon needs a good lens or two :sadeyes:
Mike
seeker372011
21-03-2013, 06:29 PM
Lovely pictures
gregbradley
21-03-2013, 06:34 PM
Thanks Larry.
Yes the lens makes a big difference. I'll reshoot the Rho one next time its dark and I am at my site and do longer exposures. Its just not enough exposure time to capture all those lovely subtle colours.
Thanks for that!
Greg.
rogerg
22-03-2013, 01:34 AM
Saggitarius Milky Way core: Great!
Eta Carina: OK but ... saturation? busy? contrast? ... not sure what it is but feels a bit straining on the eye :)
The Large Magellanic Cloud: Great for 30s :) 6D was giving me this kind of result.
The Southern Cross: Nice, but like Eta the stars field is a bit overwhelming :)
Rho Ophiuchi: Stunning, not sure if this or the first is my favorite :)
iceman
22-03-2013, 07:16 AM
Fantastic shots. Doing well with the polarie!
gregbradley
22-03-2013, 08:06 AM
Thanks Roger. I'll have another look at those and see if I can tone down the Eta a bit. Perhaps a bit too heavy on the processing.
Thanks Mike. Its a great little unit once you get used to it.
Greg.
Leonardo70
22-03-2013, 08:16 PM
Really nice Greg, amazing image.
All the best,
Leo
astronobob
22-03-2013, 08:51 PM
Great collection Greg, very deep yet not over done , , Top work ! !
Joshua Bunn
23-03-2013, 02:32 AM
Fantastic shots of southern winter sky objects Greg, I like em.
Josh
ourkind
23-03-2013, 03:00 AM
Stunning images Greg, I really like both Saggitarius and Rho Ophiuchi!
You are certainly making it hard for me in not purchasing a Polarie anytime soon!
Ross G
23-03-2013, 07:51 AM
Hi Greg,
Amazing widefields.
Beautiful colour and composition.
Your Nikon D800E and Polarie...what a great combination!
Ross.
gregbradley
23-03-2013, 02:40 PM
Hey Leo - thanks!
Cheers Bob. I have a few more to process as well.
Thanks Josh. I didn't take my normal astro rig with me because the weather forecast was for cloud and I had 2 great nights!
Sorry about that Carlos. But it is a fun little mount.
Cheers Ross. Yes I like both of them a lot.
Greg.
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