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The Constellation of Orion (inner) Orion the Hunter is one of the oldest and best recognised constellations in the night sky. The right shoulder of Orion is represented by the red supergiant star, Betelgeuse, the left shoulder by Bellatrix, his head by Meissa, his leftfoot by the blue-white giant Rigel and his right foot by Saiph. The stars which form the belt are Alnitak, Alnilam and Mintaka. In the belt, next to Alnitak you can see the Horsehead Nebula (B33/NGC 2024) and the Flame Nebula (Orion B). Orions Sword comprises The Great Orion Nebula (M42/NGC 1976) the most famous of all the nebulae in the night sky, as well as De Mairan's Nebula (M43) and The Running Man Nebula (NGC 1977). The faint pinkish-red loop which extends around the inner area of the Belt and the Sword as a semi-circle is known as Barnard's Loop, and it is made of excited hydrogen gas. There is an interestingly-shaped diffuse nebulous object just above Rigil in this image, which is known as the Witch Head Nebula (NGC 1909), for obvious reasons. North is left, East is down. This composite consists of one set of images; one set of 12 images taken at ISO-800. Each individual image was a 300 second exposure. IRIS was used to calibrate each image (dark subtraction [median combined master dark] and flat field division [median combined master flat {lights and darks}]), to register, align, and finally stack. Photoshop CS2 was used to adjust levels, curves, saturation, frame and resize the final composite. Target: The Constellation of Orion (inner) Date: Saturday, November 18th, 2006 Time: First image: 2:06 AM Time: Last image: 3:22 AM Location: Lake Bathurst, NSW, Australia Camera: Canon EOS-350D (unmodified) Lens: Canon EF 50mm F/1.4 (stopped down to F/2.5) Focal length: 50mm Mount: Meade LXD55 Exposure: 12 x 300 seconds @ ISO-800 (RAW) Software: IRIS: Calibration, registration, stacking; Adobe Photoshop CS2: post-processing and framing Comments This is gorgeous! Orion is the first constellation i ever see every winter. Its definately the easiest to spot.... well from my house at least.
Beautiful picture! The white cluster center-right is the orion nebula, right? -- Maybe darkness isn't as bad as you thought... Sedona,
Thank you for your most kind words. You're absolutely correct, the centre-right blob is the Great Orion Nebula. Regards, H -- "For everyone must see that astronomy compels the soul to look upwards and leads us from this world to another." -Plato The Black Art of Astrophotography Buy my prints!  wait! he is lying on hic backs!
 incredible photo... I see anything like this for the first time! I mean - such a plenty of objects, even nebulas! ths shows really good that nebulas are not so small objects... if only I had mount with engine :/ I am really under impression  -- "The beginning is a very delicate time. (...) the most precious substance in the universe is the spice melange. THE SPICE extends life. THE SPICE expands consciousness. THE SPICE is vital to space travel." Apophysis: [link] Jakub,
You're right, he's lying on his back! I have an aversion to submitting astrophotographs in portrait mode. I feel they look best in landscape mode. Nebulas are huge objects, some of them spanning hundreds of light years across. I'm glad you liked the image. Regards, H -- "For everyone must see that astronomy compels the soul to look upwards and leads us from this world to another." -Plato The Black Art of Astrophotography Buy my prints! Yay, it was kind of hard to see so small, but i recognized the shape from your photo of it.
Gawds i need to start stargazing again... I forget if you posted it with the pleiades (apologies if i spelt it wrong) photo, but i heard another legend of the cluster being a group of doves that Orion chases around the sky. Its been a while since i read about it, i heard the story a few years ago. -- Maybe darkness isn't as bad as you thought... Yeah I know they are 'huge' but i mean they are huge in the sky ( I mean angle size... you know, in seconds ). I just didn't realise this so much...
BTW, how long does the stacking takes to your comp? you are working ofcourse on RAW images? -- "The beginning is a very delicate time. (...) the most precious substance in the universe is the spice melange. THE SPICE extends life. THE SPICE expands consciousness. THE SPICE is vital to space travel." Apophysis: [link] PS - how did you set 'infinity' on your lens? I was trying to take sky photos with my KIT lens ( yeah, yeah, I know - it's dark and bad in comparision to your 50/1.4
 ) and I found that it is REALLY hard to set infinity... on the lens there is no scale. OK there is scale on your 50/1.4 but still the scale is not really accurate... especially at higher focal lengths... ofcourse I mean situations in which there is no moon or other object in 'infinity'.Anyway I took some photos at wide angle and results were quite good. Unfoirtunatelly my comp is too slow for stacking images :/ -- "The beginning is a very delicate time. (...) the most precious substance in the universe is the spice melange. THE SPICE extends life. THE SPICE expands consciousness. THE SPICE is vital to space travel." Apophysis: [link] Sedona,
Your comment regarding the doves does sound familiar. A lot of ancient cultures made up different stories. It's interesting to note though, that their stories are kind of similar. Makes you wonder why? Someone mentioned the other day that the Pleiades (The Seven Sisters) were running away from Orion as he was chasing them. Regards, H -- "For everyone must see that astronomy compels the soul to look upwards and leads us from this world to another." -Plato The Black Art of Astrophotography Buy my prints!  Another wondrous shot.
Jakub,
I understand what you mean regarding the angular size of the objects. It takes quite a while for a sigma-kappa combine/stack routine. I guess it's not the stacking itself which takes a long time, I find that it's the alignment and/or registration process which takes the longest. I think for this particular image it took about 20 minutes to stack the images. And yes, I work with RAW only; for both astrophotography and terriestrial photography. Regards, H -- "For everyone must see that astronomy compels the soul to look upwards and leads us from this world to another." -Plato The Black Art of Astrophotography Buy my prints! |
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November 21, 2006
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