Monday, December 20, 2021
Cygnus mosaic gets large
Three Musketeers of Swan
Deepest and most detailed image showing the whole constellation Cygnus ever taken
The new composition is made so that the veil nebula supernova remnant fits to the field of view.
There are three large supernova remnants visible in this image. The Veil nebula is the most bright of them, other two are really dim and diffused. I spent about 200 exposure hours for those two alone to show them well. I call this trio to the Three musketeers.
I like the new composition, it's very dynamic and shows the whole constellation Cygnus first time ever at this detail level and deepness. Least I haven't seen anything like this before. Image spans now 31 x 23 degrees of sky and has 118 individual frames in it. total exposure time is now around 700 hours and the resolution 20.000 x 25.500 pixels. Image it took over a decade to finalize this photo between 2010 and 2021.
The previous version of this mosaic can be seen here, Great Mosaic of Cygnus
Bang, bang & bang
Three large supernova remnants in the same field of view
Click for a large image
Three large supernova remnants in the same field of view
Click for a large image
ZOOMABLE VERSION
Image is reduced to 6000 x 7700 pixels size from the original 20.000 x 25.500 pixels.
118 Mosaic Panels
Click for a large image
Click for a large image
All the 112 frames used are shown in this image. Since many of the frames are originally shot as independent artworks, panel structure is very complex. Also different instruments has a different field of view and resolution, so mosaic panels are at three different size.
DETAILS
Click for a large image
Three large supernova remnants in constellation Cygnus, the Swan, are in image as colored circles
NOTE, there is an apparent size of the Moon as a scale at lower right corner in a grayscale image.
INFO
Three supernova remnants, two Wolf Rayet stars and a black hole
In the orientation image above, there are three large supernova remnants visible, first the Cygnus Shell W63 , bluish ring at middle left, secondly the large SNR G65.3+5.7 at upper right and the third is a brighter SNR, the Veil nebula at right edge of the image.
Beside three supernova remnants there are two Wolf Rayet stars with outer shell formations. NGC 6888, the Crescent Nebula at center of the image and the WR 134, it can be seen as a blue arch just right from the Crescent Nebula, near the Tulip nebula.
Next to the Tulip Nebula lays a Black hole Cygnus X-1, it's marked in small closeup image of the Tulip Nebula at center right in orientation image above.
Constellation Cygnus is an endless source of celestial wonders, both scientifically and aesthetically. For me, as an visual artist, this are of night sky is very inspiring There are endless amount of amazing shapes and structures, I can spend rest of my life just shooting images from this treasury.
Equipments used
Monday, December 13, 2021
The Pelican Nebula with new data
I originally publish this nebula image at December 2016. After that, I have shot some very high resolution material from the same area of sky and I decided to upgrade my old image with better data. I'm kind of happy with the result, especially the details in dark nebulae are much sharper now and shows the complex structures of unionized gas and dust. Main reason is the long exposure time used, for H-alpha alone, there are 30 hours of exposures. Total exposure time is around 60 hours.
The dark nebula in the upper part of the photo is the gas bridge splitting visually the Pelican Nebula and the North America nebula so that the they look like two separate nebula. In reality they are actually a one large emission area.
Pelican Nebula, constellation Cygnus, the Swan
Click for a large image
The older version of this image can be seen here: https://astroanarchy.blogspot.com/2016/12/pelican-nebula-two-frame-mosaic.html
Zoomable Image
Zoomable Image
Orientation in large context
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