Saturday, June 5, 2010
Tucanae 47, a Globular cluster
LRGB image of Tucanae, NGC 104, globular cluster in constellation Tucana.
16700 light years away from Earth and 120 light years across.
Less compressed images here:
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Image field is about 30' x 30', half a degrees.
A new project, from Northern galactic remote telescope in Australia.
100% crop from the core of Tukanae 47.
The telescope and technical information:
16" RCOS ja Apogee U9000 camera.
LRGB combo.
Luminance 12x300s and 8x150s, Dark and Flat calibrated.
Red 5x300s, Dark calibrated
Green 5x300s, Dark calibrated
Blue 5x300s, Dark calibrated
Raw data is shared with Petri Kehusmaa and J-P Metsavainio
Processing workflow:
Image acquisition, MaxiDL v4.xxx
Stacked and calibrated in CCDStack.
Deconvolution with a CCDSharp, 10 iterations
Levels, curves and color combine in PS CS3.
Friday, June 4, 2010
M8, the "Lagoon nebula"
HST-palette from the emission of ionized elements, R=Sulfur, G=Hydrogen and B=Oxygen
This composition is very close to a visual spectrum.
Less compressed images here:
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M8, the "Lagoon nebula" in Constellation Sagittarius.
Image field is about 30' x 30', half a degrees.
A new project, from Northern galactic remote telescope in Australia.
The Lagoon nebula, M8, in ionized light from the Three elements, H-alpha, O-III and S-II.
100% crop from the image of M8
The telescope and technical information:
16" RCOS ja Apogee U9000 camera.
LRGB combo.
H-alpha 4x1200s, Dark and Flat calibrated.
O-III x1200s, Dark calibrated
O-III x1200s, Dark calibrated
Raw data is shared with Petri Kehusmaa and J-P Metsavainio
Processing workflow:
Image acquisition, MaxiDL v4.xxx
Stacked and calibrated in CCDStack.
Deconvolution with a CCDSharp, 30 iterations
Levels, curves and color combine in PS CS3.
Edit 05.06.2010
Here is a Starless version of M8, I like to do some tricks with the images and the results are experimental in nature. Actual nebula can be seen better here.
Edit 05.06.2010
Here is a Starless version of M8, I like to do some tricks with the images and the results are experimental in nature. Actual nebula can be seen better here.
Tuesday, June 1, 2010
Viewing 3D
Finnish-Suomeksi
Nähdäksesi anaglyph 3D-kuviani tarvitset Puna-Sinilasit!
Ne ovat yleensä erittäin edullisia, 1-2€, ja helposti ostettavissa onlinemyymälöistä.
Suomessa laseja voi ostaa ainakin täältä:
http://www.dealextreme.com/search.dx/search.3d%20glasses
http://www.dealextreme.com/search.dx/search.3d%20glasses
HUOM!
Lasien linssien täytyy olla PUNAINEN ja SINININEN, jotta kuvat näkyisivät oikein.
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English
To see my anaglyph Red/Cyan 3D-images, you'll need a right kind of 3D-eyeglasses!
They are usually very inexpensive and can be bought online easily.
Here are few links:
USA, http://www.berezin.com/3D/3dglasses.htm
There is many online sellers for 3D-glasses, google them down to find a suitable seller in you area.
EDIT. Finnish only, sorry!
Huomasin juuri, että samassa Suomalaisessa verkkokaupassa, jossa myydään 3D-laseja, on myynnissä 9€ hintainen stereokuvien katselulaite:
http://www.elektroni.fi/?product=5452
Ko. laitteella voi katsella stereopari-paerikuvia 3D-muodossa!
Täältä voi tilata stereoparikuviani valokuvina: http://astroanarchy.zenfolio.com/p272573124
EDIT. Finnish only, sorry!
Huomasin juuri, että samassa Suomalaisessa verkkokaupassa, jossa myydään 3D-laseja, on myynnissä 9€ hintainen stereokuvien katselulaite:
http://www.elektroni.fi/?product=5452
Ko. laitteella voi katsella stereopari-paerikuvia 3D-muodossa!
Täältä voi tilata stereoparikuviani valokuvina: http://astroanarchy.zenfolio.com/p272573124
Hinta 1,95€ kappale, vähän isompi koko, joka vielä toimii, 3,95€
Katselulaitteen kanssa siis toimivat vain "parallel vision" tekniikalla katseltavat kuvat.
My Anaglyph images
Katselulaitteen kanssa siis toimivat vain "parallel vision" tekniikalla katseltavat kuvat.
My Anaglyph images
To see my Anaglyph Red/Cyan 3D-astronomical images, please use this link:
Nähdäksesi anaglyph 3D kuviani, ole hyvä ja klikkaa tätä linkkiä:
Nähdäksesi anaglyph 3D kuviani, ole hyvä ja klikkaa tätä linkkiä:
In my Blog, there is many anaglyph movies too:
Blogissani on useita anaglyph 3D elokuvaklippejä:
Blogissani on useita anaglyph 3D elokuvaklippejä:
Scroll down and don't forget to look older posts to see movies!
Rullaa alas postilistaa nähdäksesi elokuvia, älä unohda klikata "older posts" painiketta sivun alareunassa!
Rullaa alas postilistaa nähdäksesi elokuvia, älä unohda klikata "older posts" painiketta sivun alareunassa!
M16, the "Eagle nebula" as a 3D stereo pair
Parallel vision
Cross vision
Other 3D-formats can be found here:
Original 2D-image:
NOTE! This is a personal vision about forms and shapes, based on some known facts and an artistic impression.
Viewing instructions can be found from a Right hand side menu.
HOW?
I have been asked many times, how my 3D-images are done, so here it goes!
Viewing instructions can be found from a Right hand side menu.
HOW?
I have been asked many times, how my 3D-images are done, so here it goes!
All the original 2D-images are imaged by me.
Due the huge distances, no real parallax can be imaged to form a volumetric information.
I have developed a method to turn any 2D-astronomical image to a various 3D-formats. The result is always approximation of the reality, based on some known facts and an artistic impression.
What are the known facts?
By using a scientifically estimated distance of the object, I can organize right amount of stars front and behind the object.
(as then we know the absolute position of an object at our Milky-way)
There usually is a known star cluster or a star(s) coursing the ionization and stars can be placed in right relative position to the nebula itself .
Stars are divided to groups by apparent brightness, that can be used as a draft distance indicator, brighter the closer.
The nebula itself is emitting its own light, when ionized, typical to each element.
The thickness of the nebula can be estimated by its brightness.
Many other relative distances can be figured out just carefully studying the image, like dark nebulae must be front of bright ones.
The local stellar wind, radiation pressure, from the star cluster shapes the nebulae, pillar like formations must then point to a cluster for that reason.
Same radiation pressure usually forms kind of cavitation hole at the nebulosa, around the star cluster, by blowing away all the gas around it.
Same radiation pressure usually forms kind of cavitation hole at the nebulosa, around the star cluster, by blowing away all the gas around it.
Many other small indicators can be found from the image itself.
The artistic part is then mixed to a scientific part, rest is very much like a sculpting.
I have published a, little simplified, step by step tutorial about turning astronomical images to a 3D-stereo pairs under a PhotoShop. It can be found from here as a PDF: astroanarchy.blogspot.com/2009/04/neaic.html
WHY?
Firstly, they are great fun to do. Secondly, because I can.
3D-experiments seems to increase a public interest to a subject, as you might have noticed.
Personally, I have studied my astronomical images much deeper, than ever without 3D-modeling.
The 3D-studies have really add a new dimension to my hobby as an astronomical photographer. (pun intended)
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