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The spiral galaxy M81, deep



 
 
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  #1  
Old February 20th 10, 12:21 AM posted to sci.astro.ccd-imaging
Danilo Pivato
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Posts: 405
Default The spiral galaxy M81, deep

This is a new photo made on the mountain of Tuscany: Mt Amiata (1500m).
Takahashi Telescope BRC250 + ST-10XME unfiltered. Exposed: 12 x 900 seconds
(
3 hours total).

Image Standard:
http://www.danilopivato.com/tabulae_...60/m81_brc.htm

HiRes: http://www.danilopivato.com/tabulae_..._brc_hires.htm

Map standard:
http://www.danilopivato.com/tabulae_...81_brc_map.htm

Map HiRes:
http://www.danilopivato.com/tabulae_..._map_hires.htm

Yours sincerely,

Danilo Pivato
--
MySiteWeb: www.danilopivato.com



  #2  
Old February 27th 10, 05:13 AM posted to sci.astro.ccd-imaging
susan
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Posts: 44
Default The spiral galaxy M81, deep

Danilo! I've been busy all week and just had a moment to drop in to see
if you left me any goodies-- WOW! How amazing it must be, for you to
look through your telescope and see that!

Again, thanks so much for sharing...



susan

  #3  
Old March 2nd 10, 04:38 PM posted to sci.astro.ccd-imaging
Rob[_3_]
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Posts: 29
Default The spiral galaxy M81, deep


"susan" wrote in message
...
Danilo! I've been busy all week and just had a moment to drop in to see
if you left me any goodies-- WOW! How amazing it must be, for you to
look through your telescope and see that!


Hi Susan,
If only we could look through a telescope and see that sort of detail!
Unfortunately, that isn't actually the case and astro-imagers like
Danilo use special cameras and 'stack' many long exposures.
Then a computer is needed to process the result. It takes a lot
of work and experience to produce images as good as this, so
well done, Danilo (I think I can see the background 'flux' in this
wonderful image!)
Best,
--
Rob


  #4  
Old March 3rd 10, 10:51 AM posted to sci.astro.ccd-imaging
susan
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Posts: 44
Default The spiral galaxy M81, deep

Well now, Rob, you've shattered all my delusions! I'm scratching that
telescope OFF my Christmas list. I suppose the next thing you're going
to tell me is that the beautiful colors in the Hubble images are
faked..?



Seriously, thanks for info. I always thought those long exposures were
just so the camera could pick up the light... So, even if Hubble had an
"eyepiece", and assuming I could somehow get in to orbit and peer thru
it, I wouldn't actually be able to see the Pillars of Creation in the
Orion Nebula..?

(long pause)

"Of course not!" she answered her own question after a quick side trip
to Google. "The Pillars of Creations are in the Eagle Nebula. So, it
doesn't really matter what you're peering thru, you're not going to see
them in Orion..."

(ahem!)

At any rate, I now have a far greater appreciation of the effort that
goes into Danilo's craft, Rob. So thank you for teaching me something
today...

(:

susan-bit-of-a-dingbat

 




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