LMC Mosaic in 3nm NII

[avandonk]

Collected over a few nights between many nights of cloud.


Six panels in 3nm NII. 8 X 16 minutes for each panel. About twelve hours in all. FoV 7.2 X6.2 degrees.

Small image 4MB

http://d1355990.i49.quadrahosting.com.au/2012_11/LMC_MOS_M.jpg

Full res image 14MB

http://d1355990.i49.quadrahosting.com.au/2012_11/LMC_MOS_L.jpg

Even with 3nm filters gradients between panels vary depending on how bright the Moon is.

Next is OIII data and then LRGB.


Bert

[Larryp]

Heaps of detail there, Bert. Should be a beautiful image when completed

[naskies]

Looking great, Bert - I love the way the nebulae look floating amongst the galaxy. Can't wait to see the final product!

[tilbrook@rbe.ne]

That's kind of weird, and amazing to look at!

Nice one Bert!

Cheers,

Justin.

[Martin Pugh]

Bert

you could improve this image significantly by not clipping the blacks, which they appear to be (heavily) on the left side of the image in particular.

cheers
Martin

[avandonk]

Martin you are quite correct. There is a gradient that increases from left to right and is slightly different on each frame. I may have to eliminate these gradients before stitching the panels together.

Here is a better? version 9.9 X 6.2 degrees 16MB

http://d1355990.i49.quadrahosting.com.au/2012_11/LMC_MOS_L2.jpg


Bert

[dvj]

Martin is saying that your blacks are clipped which I agree. But you have excellent detail. I did this one a few years ago with 6nm HA. More gray to the background vs. all black. All depends on what you want to show however.

http://apod.nasa.gov/apod/image/0605/lmc_gleason_f.jpg

[avandonk]

Here is a version with the gradients 'removed' before stitching 10MB

http://d1355990.i49.quadrahosting.com.au/2012_11/LMC_MOS_L3.jpg


Bert

[Merlin66]

Very impressive Bert!
Well done.

[stardust steve]

wow what a delight opening the images. The last one with the gradient removed is one entertaining image.:thumbsup:

[oxygen]

Wow...new desktop image has just been swapped over. H70 is there and what an image to find it again.
Best wishes!
O2

[Ross G]

Amazing detail Bert.


Ross.