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Douglas Rollain

M20 Trifid Nebula in LRGBHa

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Posts Made By: Dmitri Kulginov

October 30, 2008 07:31 PM Forum: Equipment Talk

Whar does it take to get started with imaging?

Posted By Dmitri Kulginov
Inge,

You need a lot of green bucks and more time than the Norwegian weather is ready to provide.

Dmitri

November 17, 2008 08:39 AM Forum: Refractors

Collimation question, over tightened? with pic

Posted By Dmitri Kulginov
Everything that looks cross-like points towards astigmatism, but you should provide a much better picture for us to be able to say anything. Can you see diffraction rings? If not, your pinhole is too large. Defocus to 2-3 rings and draw them carefully.

Dmitri

November 27, 2008 07:05 PM Forum: Refractors

Star test images for a new (used) Orion ED80

Posted By Dmitri Kulginov
Astigmatism, spherical, coma - the whole kit.

Dmitri

January 5, 2009 01:00 PM Forum: Digital SLR AstroPhotography

NGC 1365

Posted By Dmitri Kulginov
Peter,

Very nice shot! It made some memories to come back. I have found my sketch of the area made with Inge Skauvik's 12" Portaball:

http://www.astromart.com/forums/viewpost.asp?forum_post_id=549586&poll_id=&news_id=&page=

I have marked the galaxies I could identify from the sketch. Too bad that the big guys like 1351, 1380A and 1399 are off the field!

Dmitri

January 18, 2009 10:04 PM Forum: Deep Sky Observing

My First Dark Site Trip of the New Year, 2009/1/4

Posted By Dmitri Kulginov
Great report, Dave!

Dmitri

February 7, 2009 07:53 PM Forum: Deep Sky Observing

DSO binoculars.

Posted By Dmitri Kulginov
I think that 15x70 is pretty much like a long focus 2" eyepiece in my 4" refractor, so I don't have a 2" diagonal because this case is already covered for a fraction of price.

Dmitri

February 10, 2009 06:53 AM Forum: Refractors

ca on venus and sirius but not on the moon

Posted By Dmitri Kulginov
I see absolutely ZERO ca on the moon even at rediculous powers

You just don't see it because the contrast is so high, exercise and you will find plenty.

Dmitri

February 19, 2009 02:57 PM Forum: Eyepieces

Eyepieces for 12 inch Lightbridge...

Posted By Dmitri Kulginov
Don't sell anything, don't buy anything, just use what you have. By the autumn it all will be clear to you.

Dmitri

February 27, 2009 07:25 AM Forum: Refractors

What did I see in the EON 120

Posted By Dmitri Kulginov
I looked yesterday in my 4" at Saturn mostly at around 200x, with binoviewer and without. There were SEB and NEB, very light equatorial zone, and the polar regions were slightly different colours. All the colours were very beautiful. The shadow of the ring that I could see in December and January has disappeared completely.

I also noticed that colour changed along the ansae from very light near the ends to rather dark near the globe. Later I realised that I saw the opening in the rings, even though I could not resolve it.

Dmitri

March 7, 2009 07:52 AM Forum: CCD Imaging and Processing/Solar System

Saturn, March 6

Posted By Dmitri Kulginov
Brilliant!!

Dmitri

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