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NGC 6302, also known as the Butterfly Nebula for its iconic shape, is an absolutely stunning nebulae. It is about 2500 to 3800 light-years away in the constellation of Scorpius. This star is actually in our own galaxy and is a type of planetary nebula known as a bipolar planetary nebula. This is due to the two lobes on either side of the star (obscured in the center).
When an average sized star, like our own Sun, evolves it first expands into a red giant star. When it has exhausted its fuel and thermonuclear fusion can no longer occur, it sheds its outer layers as a planetary nebula and shrinks into a white dwarf star. This is exactly what has happened to this star! The red giant star is still ejecting this material and has not quite become a white dwarf yet. We are getting to see this amazing process take place.
The gas being ejected from this star is incredibly hot and has been heated to over 36,000 degrees Fahrenheit. This gas is moving at 600,000 miles an hour into space! But the star itself is even hotter, at 400,000 degrees Fahrenheit, which makes it one of the hottest stars in our galaxy! It has been ejecting its gas for about 2200 years.
This is a second process of the Butterfly Nebula with a layer for luminosity added. This allows the structure to become much more defined. The first image can be viewed here!
This image was taken on July 27, 2009 by the Hubble Space Telescope. It was an image created using three greyscale images assigned to the RGB channels in Photoshop CC. A luminosity layer was also used. The images used were:
RED: hst_11504_01_wfc3_uvis_f658n_sci
GREEN: hst_11504_01_wfc3_uvis_f656n_sci
BLUE: hst_11504_01_wfc3_uvis_f502n_sci
HALPHA LUM: hst_11504_01_wfc3_uvis_f656n_sci
Resources:
The reference image used to help guide creation of this image can be viewed here!
These images are associated with HST proposal 11504: WFC3 ERO: Planetary Nebula
This image was processed by myself, Alexandra Nachman, on 12/19/20, using data from the Hubble Legacy Archive. Image taken by NASA/ESA/Hubble Space Telescope.
Header graphic for www.microplastics.ch, a new German-language blog about plastic pollution.
I was happy to find a job for which Nebulae is *perfect* – and to find out how FF Cocon clicks with it.
The spider part of "The Spider and the Fly" nebulae, IC 417 abounds in star formation, as seen in this infrared image from NASA's Spitzer Space Telescope and the Two Micron All Sky Survey (2MASS).
Located in the constellation Auriga, IC 417 lies about 10,000 light-years away. It is in the outer part of the Milky Way, almost exactly in the opposite direction from the galactic center. This region was chosen as the subject of a research project by a group of students, teachers and scientists as part of the NASA/IPAC Teacher Archive Research Program (NITARP) in 2015.
A cluster of young stars called "Stock 8" can be seen at center right. The light from this cluster carves out a bowl in the nearby dust clouds, seen here as green fluff. Along the sinuous tail in the center and to the left, groupings of red point sources are also young stars.
In this image, infrared wavelengths, which are invisible to the unaided eye, have been assigned visible colors. Light with a wavelength of 1.2 microns, detected by 2MASS, is shown in blue. The Spitzer wavelengths of 3.6 and 4.5 microns are green and red, respectively.
Spitzer data used to create this image were obtained during the space telescope's "warm mission" phase, following its depletion of coolant in mid-2009. Due to its design, Spitzer remains cold enough to operate efficiently at two channels of infrared light. It is now in its 12th year of operation since launch.
The 2MASS mission was a joint effort between the California Institute of Technology, Pasadena; the University of Massachusetts, Amherst; and NASA's Jet Propulsion Laboratory, Pasadena, California.
JPL manages the Spitzer Space Telescope mission for NASA's Science Mission Directorate, Washington. Science operations are conducted at the Spitzer Science Center at the California Institute of Technology in Pasadena. Spacecraft operations are based at Lockheed Martin Space Systems Company, Littleton, Colorado. Data from 2MASS and Spitzer are archived at the Infrared Science Archive housed at the Infrared Processing and Analysis Center (IPAC) at Caltech. Caltech manages JPL for NASA.
米堆网: Fabian Oefner，瑞士摄影师，他常使用一些物理现象来创造摄影作品，将物理学与艺术相结合，拍摄出难得一见的精彩照片。这里选择了他的三组照片与大家分享。《舞动色彩》（Dancing Colors），将彩色的固体颗粒放置在扬声器上，拍摄下色块跳动的瞬间。《磁力水色》（Millefiori）将磁流体与有颜色的水混合，在磁场作用下铁粒子开始流动排列，变成美妙图案。《星云》（Nebulae）在黑暗房间中利用灯光和长时间曝光拍摄出的梦幻作品。 来自http://dd.mu/1fM17
Nebulae around Sadr shot in S. Bertelemey on May 27th with the following instrumentation
Takahashi TOA 130 F/5,8
Canon EOS 50D with Baader Filter at 800 ISO
exposure 110 minutes
Mount Vixen New Atlux
Autoguide SBIG St4 on refractor 60/700
Process DSS and imageplus Photoshop CS4 and Carboni tools
Clear Skies
Stefano
Objects: North America and Pelican Nebulae in Cygnus
Exposure: 90 minutes @ f/6.7
Telescope: Astro-Physics 130 EDF
Mount: Astro-Physics 600 QMD
Guiding: SBIG ST-4 @ 700mm (A1)
Camera: Pentax 67
Film: hypered Kodak PPF 400
Location: Pearce, AZ
Date: 26-May-01 00:51 MST
Conditions: transparency 7/10, seeing 7/10, LVM 7.0, 60 F
Processing: UMAX Powerlook 3000, Adobe Photoshop 6.0.1, bgsmooth 1.5 50
NGC 2174 is a small part of the Monkey Head Nebula located about 6400 light-years away in the constellation of Orion. It is a stellar nursery where stars are currently being created. The stars that are forming emit ultraviolet radiation, which is ionizing. This excites the dust and gas around these stars and causes it to be pushed away. Thus these huge columns are slowly being formed.
This image was taken using infrared wavelengths of light. This nebula is mostly made up of hydrogen gas, which is warmed by the ionizing radiation as mentioned in the above paragraph. This causes the dust and gas to heat up and emit infrared light itself. Thus the Hubble Space Telescope was able to take the image in infrared light to get an amazing look at what was going on in this nebulae!
This is a second process of this image. My first image can be viewed here! I wanted to keep this image more muted with the red, to be more similar to the reference image I used, which can be viewed here.
This image was taken over multiple days by the Hubble Space Telescope. Those days were February 7, 8, 11, and 24 of 2014. It was an image created using three greyscale images assigned to the RGB channels in Photoshop CC. The images used were:
RED: hlsp_heritage_hst_wfc3-ir_ngc2174_f160w
GREEN: hlsp_heritage_hst_wfc3-ir_ngc2174_f125w
BLUE: hlsp_heritage_hst_wfc3-ir_ngc2174_f105w
Resources:
Complete images can be found here as well as more information about how the Hubble Heritage team created this image! HST 24th Anniversary Image: An Infrared Mosaic of NGC 2174
The reference image used to help guide creation of this image can be viewed here!
These images are associated with HST proposal 13623: Hubble Heritage observations of NGC 2174 for HST 24th anniversary
This image was processed by myself, Alexandra Nachman, on 01/07/21, using data from the Hubble Legacy Archive. Image taken by NASA/ESA/Hubble Space Telescope.
8 usable lights (60s), 10 darks, 20 flats, 20 bias. Canon EOS 450D DSLR prime focus, ISO1600. Baader Neodymium filter and coma corrector. Sky-Watcher 150P Explorer on EQ3-2 mount. DeepSkyStacker > PixInsight > PhotoShop. The nebulae are false coloured here. Don't look too closely at the stars bottom left—not sure what happened there!!!
The last of my series of astrophotos from the first 2 weeks of July, although I do plan to image Saturn over the coming weekend.
6 x 3-minute exposures with an astro-modified Canon EOS 600D and Pentacon 300mm f/4 lens, ISO 1600; piggybacked on a Celestron C8 telescope for tracking.
Frames registered and stacked using Deep Sky Stacker; curves and colour balance adjusted via Canon Photo Professional; noise reduced via Cyberlink PhotoDirector.
米堆网: Fabian Oefner，瑞士摄影师，他常使用一些物理现象来创造摄影作品，将物理学与艺术相结合，拍摄出难得一见的精彩照片。这里选择了他的三组照片与大家分享。《舞动色彩》（Dancing Colors），将彩色的固体颗粒放置在扬声器上，拍摄下色块跳动的瞬间。《磁力水色》（Millefiori）将磁流体与有颜色的水混合，在磁场作用下铁粒子开始流动排列，变成美妙图案。《星云》（Nebulae）在黑暗房间中利用灯光和长时间曝光拍摄出的梦幻作品。 来自http://dd.mu/1fM17
Canon 50mm EF lens (MK I), at f/2.8, ISO 800. Eleven hand-tracked exposures (total exposure time 14m 45s), stacked in DeepSkyStacker and processed in Photoshop.
The nebulae (faint as they are) show up better on the large version. Talking of which, have I labelled IC 1311 correctly?
6 x 10 minutes - Hydrogen Alpha (green channel)
7 x 10 minutes - Oxygen III (blue channel)
6 x 10 minutes - Sulphur II (red channel)
Taken on 12-05-2012. Processed on 25/11/2012.
Meet IRAS 12196-6300, the beautiful star in the very center of this image. This star is pretty close to us, only 2,300 light-years away! And it is a young star as well. It is only about 10 million years old and has not yet ignited thermonuclear fusion in its core. This type of star is known as a pre-main sequence star. Once it ignites thermonuclear fusion and begins turning the hydrogen into helium in its core, it will join the main sequence and live out its life.
The nebulous dust surrounding it is known as a reflection nebula. The dust and gas are lit up by reflected starlight from stars around or in it.
The image was taken on June 6, 2006 by the Hubble Space Telescope. It was an image created using two greyscale images that were colorized in Photoshop CC. The images used were:
RED: hst_10536_75_acs_wfc_f814w
SYNTHETIC GREEN: hst_10536_75_acs_wfc_f814w + hst_10536_75_acs_wfc_f606w
BLUE: hst_10536_75_acs_wfc_f606w
Resources:
These images are associated with Hubble proposal 10536: What Are Stalled Preplanetary Nebulae? An ACS SNAPshot Survey
This image was processed by myself, Alexandra Nachman, on 06/18/21 using data from the Hubble Legacy Archive. Images taken by NASA/ESA/Hubble Space Telescope.
LBN 713 and 714 are both dim nebulae (6 out of a 1-6 scale where 1 is the brightest) located in Perseus. I didn’t realize this when I found them placed well in TheSkyX. I think these are the dimmest objects I’ve attempted to image – and I tried from the city. LBN 713 is just above center. LBN 714 is below center and to the west (right).
The line to the right of the bright star on the left is asteroid 702 Alauda.
Luminance – 12x600s – 120 minutes – binned 1x1
RGB – 8x300s – 40 minutes each – binned 2x2
240 minutes total exposure – 4 hours
Imaged from Dardenne Prairie, Missouri (a red zone) on October 17th, 2014 and September 20th, 2015 with a SBIG ST-8300M on an Astro-Tech AT90DT at f/6.7 603mm.
I did take a couple hours of Ha but there was no signal.
North America and Pelican nebulae in bi-color HOO.
Equipment:
Spacecat 51 51/250mm
ASI183MM CMOS Camera
Astronomik 6nm Ha and Oiii Filters
ZWO EFW5 filter wheel
Celestron OAG, ASI174mm
EQ6-R Pro mount
Reprocess of Horsehead Nebula (Barnard 33) and Flame Nebula (NGC2024) with basic PixInsight workflow
M27 or Dumbbell Nebula taken on 3 July 2014. M27 is a planetary nebula 1,360 light years away in the constellation of Vulpecula.
98 x 15 second exposures at ISO 6400 and 42 dark frames. Processed in Deep Sky Stacker, PixInsight and Photoshop CS6.
Lynds Bright Nebulae 619 is 110 x 20 arc minute nebulous region located in Andromeda. Bright is definitely a misnomer on this one. Lynds classifies it at a 6 on her scale of 1 being the brightest and 6 being the dimmest. I’m thinking there might be a reason why I couldn’t find any images of this one.
Luminance – 12x600s – 120 minutes – binned 1x1
RGB – 8x300s – 40 minutes each – binned 2x2
240 minutes total exposure – 4 hours
Imaged September 26th, 2013 at the Danville Conservation Area (New Florence, Missouri) with a SBIG ST-8300M on an Astro-Tech AT90EDT at f/6.7 603mm.
Stack of 38 10-second exposures (total: 6 min 20 s) of the Sagittarius region, showing the area around the galactic center, including the Lagoon, Trifid and Omega Nebulae, the Sagittarius Star Cloud, multiple open and globular clusters, and the planet Saturn (mid bottom) and the asteroid (4) Vesta (about 1/4 the way from the top, and 1/3 the way from the left).
Images taken around 23:27 local time on 2018-06-19.
Photo by Gustavo BC.
My third attempt at the great Orion nebula
SkyWatcher ED80
Celestron AVX
Sony A77
Stacked in DSS
Edited in Photoshop 2021
65 50sec stacked exposures totalling 54mins
Unguided
Polar aligned
10x600s Ha T200/1052
Malgré le brouillard et les cheminées urbaines une image quand même arrive à sortir :)
NGC 3132 is a striking example of a planetary nebula. This expanding cloud of gas, surrounding a dying star, is known to amateur astronomers in the southern hemisphere as the "Eight-Burst" or the "Southern Ring" Nebula.
The name "planetary nebula" refers only to the round shape that many of these objects show when examined through a small visual telescope. In reality, these nebulae have little or nothing to do with planets, but are instead huge shells of gas ejected by stars as they near the ends of their lifetimes. NGC 3132 is nearly half a light year in diameter, and at a distance of about 2000 light years is one of the nearer known planetary nebulae. The gases are expanding away from the central star at a speed of 9 miles per second.
This image, captured by NASA's Hubble Space Telescope, clearly shows two stars near the center of the nebula, a bright white one, and an adjacent, fainter companion to its upper right. (A third, unrelated star lies near the edge of the nebula.) The faint partner is actually the star that has ejected the nebula. This star is now smaller than our own Sun, but extremely hot. The flood of ultraviolet radiation from its surface makes the surrounding gases glow through fluorescence. The brighter star is in an earlier stage of stellar evolution, but in the future it will probably eject its own planetary nebula.
In the Heritage Team's rendition of the Hubble image, the colors were chosen to represent the temperature of the gases. Blue represents the hottest gas, which is confined to the inner region of the nebula. Red represents the coolest gas, at the outer edge. The Hubble image also reveals a host of filaments, including one long one that resembles a waistband, made out of dust particles which have condensed out of the expanding gases. The dust particles are rich in elements such as carbon. Eons from now, these particles may be incorporated into new stars and planets when they form from interstellar gas and dust. Our own Sun may eject a similar planetary nebula some 6 billion years from now.
hubblesite.org/newscenter/archive/releases/nebula/1998/39...
The Horse Head and Flame Nebulae - Located in the constellation Orion. The Horse Head is located just to the West of the star Alnitak, which is farthest east on Orion's Belt. The nebula was first recorded in 1888 by Williamina Fleming at the Harvard College Observatory.
This image was taken by me remotely from our house in Bulverde via the observatory in Blanco County Texas on the nights of March 1st and 2nd. This image was taken with an SBIG ST-8300M camera and is a combination 90 Minutes exposure to Luminance & Hydrogen Alpha filters and 40 Minutes each through Red, Green and Blue filters for a total exposure of 5 hours!
TEC 140mm Refractor - AP Mach1 Mount.
Created by Philadelphia Performing Arts Charter School, Philadelphia, PA
Artists: Sophia, Julia, Michael, Alexis
Teacher: Mrs. Dengler
Title: Nebulae: Art and the Cosmic Connection and the Elements of Art & Design
Theme: Your Night Sky, Astronomy
Materials and techniques: Students used several materials and technical skills for this project...Materials included chalk pastels, oil pastel, and tempera paint. Students learned how to blend chalk pastels, how to create a glowing star using chalk and oil pastel, and how to paint a smooth texture.
Did you enjoy this project? It was a great project to work on with the students who were truly amazed at the beauty of our universe, and in aww that we can spot the elements of art and design in just about anything!
About: With this project, third grade students explored and appreciated the diversity of the solar system by learning about various NASA space missions. Students also learned about and applied the Elements of Art & Design (shape, line, color, value, texture) to planetary images using critical analysis skills. After learning how to blend colors with chalk pastels, and the importance of negative and positive space - the students created their own colorful star being born, a nebulae, using cool and warm colors on a painted background, creating artwork inspired by the cosmic images they have been studying.
Learn more about the Dream Rocket Project and how to participate at www.thedreamrocket.com
I've had this GIANT photo-block for the past two weeks. This is kind of shitty and cliche'.
I just don't really have any inspiration lately.
I need something exciting to happen in my life.
Something good.
Something that makes me want to jump out of bed every morning with a smile on my face.
Something that'll motivate me to get outside my comfort zone
I need inspiration.
Emission nebula
Deep space provides beautiful objects to observe. These are the most popular space objects for photography. How do emission nebulae form? A cloud of ionized gas emits light of different colors. Hot stars emit high-energy photons. The region in which the emission nebula is located took on a beautiful shape. Stellar photons affect particles and space becomes visible in a variety of colors. Young massive stars are intense sources of photons and this is the most common region where we find emission nebulae. The hot stars are located in the center of the emission nebulae and are most often blue in color. Powerful radiation is created which expels gas around itself and a giant bubble appears.
Dolphin Head Nebula
Dolphin Head Nebula Sh 2-308 is a bright cloud of gas located in the constellation Great Dog. You can find Dolphin Head Nebula near the bright and famous star Sirius. The nebula is 4550 light-years away from the solar system. In the center of the nebula is a bright star called EZ Canis Majoris. It is a young and hot star. In conclusion, this is extremely bright blue star. Canis Majoris emits strong winds of gas that go into space. The nebula we see now probably has a lot of nitrogen that forms inside the star. It is interesting that the brightest thing is oxygen, and oxygen is to be the least in the Dolphin Head Nebula. This shows how difficult it is to draw a conclusion based on the picture we see. You cannot see this object with the naked eye.
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NGC 2174 is a small part of the Monkey Head Nebula located about 6400 light-years away in the constellation of Orion. It is a stellar nursery where stars are currently being created. The stars that are forming emit ultraviolet radiation, which is ionizing. This excites the dust and gas around these stars and causes it to be pushed away. Thus these huge columns are slowly being formed.
This image was taken using infrared wavelengths of light. This nebula is mostly made up of hydrogen gas, which is warmed by the ionizing radiation as mentioned in the above paragraph. This causes the dust and gas to heat up and emit infrared light itself. Thus the Hubble Space Telescope was able to take the image in infrared light to get an amazing look at what was going on in this nebulae!
This image was taken over multiple days by the Hubble Space Telescope. Those days were February 7, 8, 11, and 24 of 2014. It was an image created using three greyscale images assigned to the RGB channels in Photoshop CC. The images used were:
RED: hlsp_heritage_hst_wfc3-ir_ngc2174_f160w
GREEN: hlsp_heritage_hst_wfc3-ir_ngc2174_f125w
BLUE: hlsp_heritage_hst_wfc3-ir_ngc2174_f105w
Resources:
Complete images can be found here as well as more information about how the Hubble Heritage team created this image! HST 24th Anniversary Image: An Infrared Mosaic of NGC 2174
The reference image used to help guide creation of this image can be viewed here!
These images are associated with HST proposal 13623: Hubble Heritage observations of NGC 2174 for HST 24th anniversary
This image was processed by myself, Alexandra Nachman, on 01/07/21, using data from the Hubble Legacy Archive. Image taken by NASA/ESA/Hubble Space Telescope.
Continuing with my Dark Nebulae imaging, here’s several located in Aquila:
B142 is the large patch at the bottom right
B143 is the crescent shaped patch at the top center
Lynds’ Dark Nebulae 687, 688, 689, 690, 694 and 700 are also located in the image
(See the annotated image)
Luminance – 12x600s – 210 minutes – binned 1x1
RGB – 8x300s – 40 minutes each – binned 2x2
240 minutes total exposure – 4 hours
Imaged from Dardenne Prairie, Missouri (a red zone) August 27th, 2013 with a SBIG ST-8300M on an Astro-Tech AT90DT at f/6.7 603mm.
Charles Messier described the 88th entry in his 18th century catalog of Nebulae and Star Clusters as a spiral nebula without stars. Of course the gorgeous M88 is now understood to be a galaxy full of stars, gas, and dust, not unlike our own Milky Way.
Credit & Copyright: Adam Block, Mt. Lemmon SkyCenter, U. Arizona
Bode's "Nebula" (M81 - the bigger one) is a misnomer. It's not a nebula at all but rather an entire galaxy!
It's fairly easy to find with amateur telescopes and binoculars, being located to the north and visible throughout the year.
Next door is M82, a cigar shaped galaxy. The pair are gravitationally interacting with each other and if you look closely you'll see some red coloured gas being stripped from the center of the smaller M81 - this is due to the pull of M82.
This is my first proper attempt at an LRGB image, made up from seperate exposures for Luminosity, Red, Green and Blue and combined in Photoshop.
It's also *badly out of focus*, unfortunately. At the time this image was taken, this pair of galaxies was quite high up and so the weight of the imaging equipment was pulling down on the telescope's focuser which made achieving accurate focus more difficult.
Seeing conditions were also quite grim, nearby floodlights and a neighbour's fire blocked out all stars to the naked eye.
This was also my first night of scripting the imaging run, so technically speaking I was asleep while the following frames were collected:
9x5 mins (45 mins) of Luminescence (using all the pixels of the camera to capture brightness
4x5 mins of Blue (like luminescence but a square of 4 pixels [2x2] used together behind a blue filter to capture blue light.
4x5 mins green (as above).
4x5 mins red (as above).
Stacked in Deep Sky Stacker, flats subtracted (using an EL panel for consistency) but no bias or darks (bias signal is included within the flats) and I haven't had time to take dark calibration frames yet since the camera's new to me.
Any tips from seasoned mono CCD imagers would be warmly welcomed!
I will be re-doing this target from a dark sky site at the earliest opportunity.