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Tarantula Nebula NGC 2070.

alpal

By alpal
in Imaging - Deep Sky

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alpal

alpal

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Tarantula Nebula NGC 2070.

I took 22 frames at 2.5 minutes each at ISO 1600.

I ended up cropping the pic right down & just processing the nebula.

It's a little over processed - still work in progress.

Larger version here with higher detail:

http://i262.photobucket.com/albums/i...ed_3_b_c_d.jpg

Taken with:

8" Newt f6. Canon EOS 1000D - unmodded, Astronomic CLS-CCD filter,

Baader MPCC, Lodestar with TS9 OAG, EQ6 mount,

from a faily dark suburban park in the East of Melbourne Australia.

As this is my first thread -

here are a few other pics I've taken before I had the OAG & coma corrector:

The Eagle Nebula:

http://i262.photobucket.com/albums/i...agleNebula.jpg

The Trifid:

http://i262.photobucket.com/albums/i...ept_medium.jpg

Lagoon:

http://i262.photobucket.com/albums/i...Lagoon10thSept

Omega Centauri:

http://i262.photobucket.com/albums/i...largedarks.jpg

Southern Pinwheel processed by Anna:

http://i262.photobucket.com/albums/i...nasversion.jpg

Eta Carinae

http://i262.photobucket.com/albums/i...essedlarge.jpg

Orion - one of my first beginner pics:

http://i262.photobucket.com/albums/i...mediumsize.jpg

Southern Cross from Mt Baw Baw with just a camera:

http://i262.photobucket.com/albums/i...mediumsize.jpg

My telescope - 8" Newt:

http://i262.photobucket.com/albums/i...2604_large.jpg

post-23606-13387772079_thumb.jpg

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alpal

alpal

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For me first one looks better then second. :)

Yes - I get to the point when I process where I don't

know how much to sharpen an image.

When you sharpen there are always artifacts left over

which make the pic look too processed.

The cure is to get more data which I may do tonight -

the sky is clear but there is a lot of high wind.

The better the data the less you have to clown around trying to dig details out of it.

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Martin-Devon

Martin-Devon

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Alpal - this is a beautiful image, and I also prefer the first version compared to the second one. Looking through your other images there are also several gems in there as well. What location are you? The Tarantula Nebula is not even visible here in the UK this time at night (approx 10pm UK time) so I guess you are south somewhere? Keep posting though, these are impressive results.

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alpal

alpal

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Alpal - this is a beautiful image, and I also prefer the first version compared to the second one. Looking through your other images there are also several gems in there as well. What location are you? The Tarantula Nebula is not even visible here in the UK this time at night (approx 10pm UK time) so I guess you are south somewhere? Keep posting though, these are impressive results.

Thanks Martin,

I'm in Melbourne Australia.

You miss out on the Tarantula & other nebulas like Eta Carinae

but you also have many fine galaxies that I would like to image.

I only recently got the OAG with Lodestar & coma corrector.

I also only recently learned new processiing techniques that

I am still experimenting with.

I hope to take some top pics this year albeit with an unmoddified camera.

By the way - if you or anyone else wants to have a go at the Tarantula -

here is a link to the stack:

http://www.sendspace.com/file/q8lidg

cheers

Alpal

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alpal

alpal

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Unmodified but still very impressive...I haven't seen this one as of yet and it looks absolutely amazing well done on the shots...keep those southern pics coming this is awesome.

Thanks,

I added another 21 frames of data last night making it 43 frames.

I re-stacked it & processed it tonight & got out a bit more detail.

The stack was in 2 x drizzle to give me a bit more photo area.

A link to my photo is here:

http://i262.photobucket.com/albums/i..._2xdrizzle.jpg

A link to the new 2 x drizzle stack is here for anyone who wants a go at processing.

http://www.sendspace.com/file/uix20d

I would be interested to see what others can get out of the data.

A small version is posted.

post-23606-133877722209_thumb.jpg

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alpal

alpal

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great stuff and wonderful images to keep us inspired well done.

Thanks - it's hard to get inspiration sometimes.

There is always something - like a better camera or

telescope that you would like to own to obtain better pictures.

It is difficult imaging from a light polluted location with

an unmodded, uncooled camera but I know that my images

will improve with what I already have - given enough experience.

At least my setup is portable so I could go to a dark site.

I would like to use some more software like EQmod &

something to tell me how well I'm focused for every downloaded frame.

Any suggestions & commenst are welcome.

cheers

Alpal

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alpal

alpal

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I took many other subframes of the Tarantula in December but they

were a bit out of focus so I didn't use them till today.

I added them to my recent frames to have 3 hours 47 minutes of integration in total.

I restacked today with 91 frames at 2.5 minutes each & re-processed

just to see what I could get.

The extra frames allowed me to get some detail outside the nebula

which was lost in the noise before.

I think this version is far more interesting even though it got a bit

cut off in the bottom left corner from stacking.

see a larger version here:

http://i262.photobucket.com/albums/ii119/alpal2002/Tarantula91frames26thJan_final_b.jpg

post-23606-133877722669_thumb.jpg

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  • 1 month later...
alpal

alpal

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Thanks but I wish they were better.

There was so little signal in the subframes that really with hindsight

I over processed the results.

I will try again next year with longer subframes & a darker site.

Maybe I'll have an astro camera by then..

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alpal

alpal

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Don't be too hard on yourself, that's a pretty good image and you have to remember what you're imaging is in another galaxy.:)

I'm always hard on myself -

when I see what others get with their large frame CCD cameras,

high end mounts & telescopes - also from dark skies.

:hello2:

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alpal

alpal

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Thanks Quartermass,

Yes the Trifid only just comes above your horizon in the UK.

There are many jewels in the Southern hemisphere.

As long as you're not tired of seeing repeated pics of Eta Carinae.:)

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