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Old 08-02-2013, 06:41 PM
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allan gould
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8 panel mosaic NGC2070-Now a 12 panel mosaic finished

Im slowly putting together a 12 panel mosaic of the Tarantula nebula and so far have managed to get together 8 of the 12 panels intended. Each panel is an hour of 10 min luminance subs and stitched together using a combination of Microsoft ICE and PS3.
It been a pain dodging clouds, satellites as well as rain to put it together so far, but its been a really good learning experience. I hope to see if I can home in on the SN 1987a region to see if I can see anything.
Sorry have no way of posting the 120Mb original so the 200Kb version will have to so for now.
Comments welcomed
Allan

Ive added the final 12 panel mosaic here but Im going to reprocess the whole thing as there are some slight errors in stitching that I want to eliminate. But overall I was pleased to have captured this region and it looks good as wall paper on the PC.
Attached Thumbnails
Click for full-size image (Supernova-1987a.jpg)
199.7 KB110 views
Click for full-size image (Mosaic-6.jpg)
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Last edited by allan gould; 09-02-2013 at 06:02 PM. Reason: Added 12 panel mosaic
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  #2  
Old 08-02-2013, 07:02 PM
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LightningNZ (Cam)
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Nice! Pretty epic field. It'll take a while to add colour that bad boy.
Cheers,
Cam
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  #3  
Old 08-02-2013, 07:32 PM
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Yes, very ambitious, Allan. Especially given the current weather!
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Old 08-02-2013, 07:50 PM
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Looking very nice, Allan!
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Old 08-02-2013, 08:03 PM
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Wow - thats looking great Allan - are you going to add colour?
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  #6  
Old 08-02-2013, 08:36 PM
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Fantastic Allan, looking forward to the finished image.
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Old 08-02-2013, 09:20 PM
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No colour planned at this stage and I hope to finish it off by this weekend. I must admit that the full image has excellent detail and looks great on my large PC monitor as a background.
Thanks for all the comments as they are very much appreciated.
Allan
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Old 08-02-2013, 10:05 PM
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Would love a link to a larger image when you complete it Alan. Kudos for such a great effort in this weather.
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Old 08-02-2013, 10:27 PM
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Massive effort and I have no idea when you would have taken those imaqes with the weather we have been having. Looks great and yes bring on the colour.
Mark
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Old 08-02-2013, 10:42 PM
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Looking good Allan.

Great detail.

Ross.
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  #11  
Old 09-02-2013, 12:55 AM
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tilbrook@rbe.ne (Justin Tilbrook)
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Nice Alan!

Certainly a grand scale, must look awesome in your 120 meg image!

Cheers,

Justin.
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Old 09-02-2013, 05:09 AM
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I like it. Nice work. Congratulations !
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  #13  
Old 09-02-2013, 08:36 AM
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Looks great but that top right region looks a little underexposed.
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Old 09-02-2013, 09:09 AM
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Looks interesting.
I hope you will be able to reach a compromise between image and file size.

Clear skies

Steven
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  #15  
Old 09-02-2013, 12:22 PM
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Well last night I trusted 7Timer and set up to complete the mosaic that I had in mind. In the end it wound up as a 12 panel mosaic about 9000x9000 pixels in dimension and about 150Mb in size so I dont think it would fit into IIS requirements for a download. Anyway excuse the compression artifacts but this is the best I could present on this forum but I'm really pleased how the whole image turned out. I spent last night litterally shooting between two banks of clouds to finish it off.
I could not have done it without Sequence Generator Pro software which enabled me to get back to the same image region to withing 2-6 pixels each time over a weeks worth of imaging. Its plate solving and autofocusing are critical to this sort of endevour.
I was pleased that the bar of the LMC is prominent in this image and shows well (Troy, thats why it appears under exposed in the top RHS of the image as there are less stars there!)
Hope you enjoy and thanks to all those that took the time to view and make a comment.
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Click for full-size image (Mosaic-6.jpg)
158.0 KB16 views

Last edited by allan gould; 09-02-2013 at 06:03 PM.
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  #16  
Old 09-02-2013, 12:24 PM
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ozstronomer (Geoff)
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Well done on a great image I hope the weather cooperates to get the last few frames.
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Old 09-02-2013, 01:07 PM
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Brillant work. Mosaics are tough and you've done a seamless job there.

Greg.
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  #18  
Old 09-02-2013, 01:20 PM
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How did you process the mosaic Allan? PI mosaic functions? Great job - plenty of contrast, but not flat or blown-out.
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  #19  
Old 09-02-2013, 01:22 PM
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Amazing, but how did you get clear sky last night in Brisbane??

DT
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  #20  
Old 09-02-2013, 01:34 PM
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Quote:
Originally Posted by LightningNZ View Post
Nice! Pretty epic field. It'll take a while to add colour that bad boy.
Cheers,
Cam
No time for colour I'm afraid. I'm on to my next project,
Quote:
Originally Posted by DavidTrap View Post
Amazing, but how did you get clear sky last night in Brisbane??

DT
David, between 10 til 2 am 7Timer said it would be clear and lo and behold it was but in the end it was just magic as two huge cloud banks were present but the Tarantula was right between them, but finally I could only get a 5 min sub of my last 10 min shot.
Quote:
Originally Posted by ozstronomer View Post
Well done on a great image I hope the weather cooperates to get the last few frames.
it finally did but thanks for the comments. Appreciated.
Quote:
Originally Posted by gregbradley View Post
Brillant work. Mosaics are tough and you've done a seamless job there.

Greg.
Thanks Greg, always wanted to do a biggie but where do you stop?
Quote:
Originally Posted by RobF View Post
How did you process the mosaic Allan? PI mosaic functions? Great job - plenty of contrast, but not flat or blown-out.
Rob,
all done in the end with a combination of Microsoft ice but mainly photoshop in the end
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