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Showing posts sorted by relevance for query cygnus mosaic. Sort by date Show all posts
Showing posts sorted by relevance for query cygnus mosaic. Sort by date Show all posts

Thursday, December 31, 2020

All my photos from year 2020

 
The year 2020 has been interesting since I'm between the scopes at the moment. I converted my old Tokina At-x 300 mm f2.8 camera optics and paired it with the Apogee Alta U16 astro camera.
At first it looked like an impossible task since the back focus distance of Tokina lens was way too short for the camera. After some heavy handed modifications (including an angle grinder) I managed to marry those too junks of metal, glass and silicon together. Kind of Frankenstein's monster but worked!


Tokina 300mm f2.8 and Apogee Alta U16

After many years shooting with a long focal length instrument it was like a fresh air to work with wide field tool. 

All my photos from the year 2020
Click for a full size poster (2000 x 2800 pixels)

NOTE, images are not in scale to each other


There are some very rarely imaged objects in the the poster

Photo 11, 
https://astroanarchy.blogspot.com/2020/04/two-ways-to-go-in-same-field-of-view.html

Supernova remnant Sh2-221 and a planetary nebula Sh2-216. There are very few images out of them, I haven't seen any other three band NB images from Sh2-221

43 hours of exposures was needed to reveal targets in full glory. There are very few images out there from Sh2-205 and even less from LBN 696.

Photo 12, https://astroanarchy.blogspot.com/2020/11/a-supernova-remnant-in-cygnus-g65357-snr.html

This is a very large dim and diffused supernova remnant in Cygnus, The dense starfield almost buries faint filament structures. Extremely few photos out there showing the whole SNR.
This SNR is part of the Cygnus mosaic (Image 21).

Photo 21, 
https://astroanarchy.blogspot.com/2020/01/deep-in-to-my-heart-ic-1805-in-mapped.html

A very commonly imaged target but this deep exposure reveals a very dim supernova remnant just above the "Tip of the Heart". SNR can be seen at eight o'clock position in the photo. 


Two massive panorama mosaics

This year I got ready two very large narrowband mosaic images. 
Material for them was collected during past ten years. 
The Great Mosaic of Cygnus covers now the whole constellation.
Second as large mosaic spans sky from Cassiopeia to Cepheus. 
Exposure time for both of then is over 800 Hours.

Cygnus 

https://astroanarchy.blogspot.com/2020/12/cygnus-project-grande-finale-for-now.html

Cassiopeia to Cepheus

https://astroanarchy.blogspot.com/2020/12/from-cassiopeia-to-cepheus-eight-years.html


THE BOOK
At 2020 we published a book about nebulae, "Cosmic Clouds 3D" We =  Brian May, David J Eicher and Me. It was a pleasure to work with talented people. The idea for the book came from Brian may, the legendary Queen guitarist and astrophysicist. At the moment the book is practically sold out.




IMAGE INFO

  1. Sh2-124, https://astroanarchy.blogspot.com/2020/11/sharpless-124-sh2-124.html
  2. Sh2--124 wide field
  3. Clouds of Cassiopeia, https://astroanarchy.blogspot.com/2020/11/cassiopeia-mosaic-gets-larger.html
  4. SNR CTB1https://astroanarchy.blogspot.com/2020/02/ctb1-supernova-remnant-in-cassiopeia.html
  5. Simeis 147 https://astroanarchy.blogspot.com/2020/03/the-birth-of-venus.html
  6. Tulip nebula area, https://astroanarchy.blogspot.com/2020/10/the-tulip-nebula-in-cygnus-sh2-101.html
  7. Sh2-205, https://astroanarchy.blogspot.com/2020/03/a-rare-image-sharpless-205-and-ngc-1491.html
  8. NGC 1499, https://astroanarchy.blogspot.com/2020/01/a-deep-view-to-california-nebula-in.html
  9. Sh2-132, https://astroanarchy.blogspot.com/2020/11/a-new-photo-of-sharpless-132-sh2-132.html
  10. Sh2-126, https://astroanarchy.blogspot.com/2020/10/new-photo-sharpless-126-in-lacerta.html
  11. Sh2-216 & 221, https://astroanarchy.blogspot.com/2020/04/two-ways-to-go-in-same-field-of-view.html
  12. SNR G65.3+5,7,https://astroanarchy.blogspot.com/2020/11/a-supernova-remnant-in-cygnus-g65357-snr.html
  13. IC 63 & NGC281, https://astroanarchy.blogspot.com/2020/03/ic-63-and-ngc-281.html
  14. SNR IC443, https://astroanarchy.blogspot.com/2020/03/supernova-remnant-ic-443-wide-field.html
  15. Bubble to Cave, https://astroanarchy.blogspot.com/2020/03/from-bubble-to-cave-nebula-area.html
  16. Cygnus, https://astroanarchy.blogspot.com/2020/12/cygnus-project-grande-finale-for-now.html
  17. Sh2-114, https://astroanarchy.blogspot.com/2020/12/sharpless-114-flying-dragon-nebula.html
  18. IC 405 & 410,  https://astroanarchy.blogspot.com/2020/03/new-photo-deep-in-to-darkness.html
  19. Cederblad 214,https://astroanarchy.blogspot.com/2020/02/new-photo-of-cederblad-214-cosmic.html
  20. From CTB1 to Cave,https://astroanarchy.blogspot.com/2020/03/from-cassiopeia-to-cepheus.html
  21. IC 1805,  https://astroanarchy.blogspot.com/2020/01/deep-in-to-my-heart-ic-1805-in-mapped.html
  22. IC 1396, https://astroanarchy.blogspot.com/2020/01/ic-1396-wide-field-reprocessed.html
  23. Cassiopeia to Cepheus, https://astroanarchy.blogspot.com/2020/12/from-cassiopeia-to-cepheus-eight-years.html
  24. Bubble to cave, https://astroanarchy.blogspot.com/2020/03/from-bubble-to-cave-round-ii.html
  25. Sh2-205 & LBN 696, https://astroanarchy.blogspot.com/2020/03/a-two-frame-mosaic-photo-of-sharpless.html



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

This is a large area of sky, it spans 31 x 23 degrees of sky. Image is in mapped colors, from the emission of ionized elements, R=Sulphur, G=Hydrogen and B=Oxygen.  



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

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

I have used several optical configurations for this mosaic image during the years. Up to 2014 I was using an old Meade LX200 GPS 12" scope, QHY9 astrocam, Canon EF 200mm f1.8 camera optics and baader narrowband filter set. After 2014 I have had 10-micron 1000 equatorial mount, Apogee Alta U16 astro camera, Tokina AT-x 200mm f2.8 camera lens and the Astrodon 50mm square narrowband filter set. I have shot many details with a longer focal length, before 2014 by using Meade 12" scope with reducer and after 2014 Celestron EDGE 11" and reducer. Quider camera has been Lodestar and Lodestar II.

Thursday, April 28, 2016

A collection of grayscale photos, Filaments of Cygnus


I haven't published any grayscale photos for a long time. Astronomical cameras are usually grayscale CCD-cameras since they have a better sensitivity and resolution. I have grayscale versions from all of my astronomical images. I have always been a big fan of grayscale images!
(Color images are not colorized, each RGB color channel is shot separately and combined to a final color image.) 


A collection of filamental structures in Cygnus
During past year or so I have shot dim and less known filamental objects in constellation 
Cygnus. In this collection there are many of them as a grayscale photos. 
Please, click for a large image!


Filaments of Western Cygnus, a two frame mosaic. Color image and info can be seen HERE



Filaments of Western Cygnus, a two frame mosaic. Color image and info can be seen HERE



Filaments of Central Cygnus, a two frame mosaic. Color image and info can be seen HERE



Filaments of Western Cygnus. Color image and info can be seen HERE



A wide field image mosaic of the whole Western Cygnus. Color image and info can be seen HERE



Filaments of Eastern Cygnus. Color image and info can be seen HERE



Filaments of  Cygnus, a two frame mosaic of Veil Nebula supernova remnant. Color image and info can be seen HERE



Filaments of  Cygnus, Veil Nebula supernova remnant. Color image and info can be seen HERE





Wednesday, January 5, 2022

Cygnus Mosaic in Visual Colors

 Three Musketeers of Swan 

Deepest and most detailed image showing the whole constellation Cygnus ever taken

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. 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 mapped color version  of this mosaic can be seen here, https://astroanarchy.blogspot.com/2021/12/cygnus-mosaic-gets-large.html

Bang, Bang & Bang
Three large supernova remnants in the same field of view
Click for a large image

Image is in visual palette from emission of an ionized elements, hydrogen (H-alpha), sulfur (S-II) and oxygen (O-III). Red=Hydrogen + 33% sulfur, Green=oxygen and Blue=oxygen + 33% hydrogen to compensate otherwise missing H-beta emission.

ZOOMABLE VERSION



Three Large Supernova Remnants
Click for a large image

Locations and names of the supernova remnants

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

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

I have used several optical configurations for this mosaic image during the years. Up to 2014 I was using an old Meade LX200 GPS 12" scope, QHY9 astrocam, Canon EF 200mm f1.8 camera optics and baader narrowband filter set. After 2014 I have had 10-micron 1000 equatorial mount, Apogee Alta U16 astro camera, Tokina AT-x 200mm f2.8 camera lens and the Astrodon 50mm square narrowband filter set. I have shot many details with a longer focal length, before 2014 by using Meade 12" scope with reducer and after 2014 Celestron EDGE 11" and reducer. Quider camera has been Lodestar and Lodestar II.

Wednesday, August 21, 2013

Treasures of Cygnus



I'm still waiting for an astronomical darkness to come, up here 65N. One of the best targets for astronomical imagers in Autumn sky is the nebula complex in constellation Cygnus. That'll be my first imaging target in this Autumn as well. I'll be able to shoot it around mid September.

The collection

I made a collection out of my Cygnus images. Pictures are taken between 2007-2013 with different instruments. Closeups are taken with my longer focal length instrument, an old Meade LX200 12" telescope. Wider field images are taken by using two camera lenses, Tokina AT-X 300 f2.8 and Canon EF 200mm f1.8 lens, both full open. All images are shot with QHY9 astronomical camera and the Baader narrowband filter set, H-alpha, Oxygen and Sulfur. 

Be sure to click the image to see it in full scale!
Note. a large image, ~7MB

A collection of my images of constellation Cygnus. Photos are shot between 2007-2013.
The top most image is a large 18-panels mosaic of Cygnus, it spans 22x14 degrees of sky! (An apparent size of the full Moon fits in this area over 1200 times.)  At middle, there are images of individual objects. All but the Veil nebula supernova remnant, can be seen in top most image.
At the bottom , there is a single panoramic image of "Cirrus of Cygnus", it's from the top part of the large mosaic at a top. I added it as an individual image, since it's full of very dim filaments of gas, the formation is over 1000 light years long. I haven't seen a separate color image of this are before.

Technical data and other information

You will found all the images in this collection from my portfolio with technical details.
http://astroanarchy.zenfolio.com/

Collection of images from the Veil nebula supernova remnant
Note. a large image, ~3MB

I have published this image at Autumn 2012, more info in this blog post:
http://astroanarchy.blogspot.fi/2012/11/veil-nebula-collection-as-poster.html


The Cygnus mosaic
Note. A large image 2200x1400 pixels and ~5MB.

The large mosaic of constellation Cygnus covers 22x14 degrees of sky. Total exposure time with QHY9 astrocam and Baader narrowband filters is ~120h.


A Chinese Dragon Nebula

The large panorama of Cygnus looks very much like a "Chinese Dragon"!
Original blog post here: http://astroanarchy.blogspot.fi/2012/11/a-chinese-dragon.html

Orientation








Tuesday, December 4, 2018

Grande mosaic of Cygnus, 18-panels, over 150 hours and 22 x 14 degrees of sky



I have originally published this image back at December 9, 2011 After that I have shot many details out of this are of sky with much longer focal length instrument. Mainly with Celestron Edge 11" reflecting telescope. I have now updated this photo with a new image material and I thought, that it's a good time to republish this updated image again.

The Great mosaic image of constellation Cygnus has 18 individual panels stitched together seamlessly. Each panel has shot three times for a color image. First I shot the light from an ionized hydrogen (H-alpha), then light from an ionized sulfur (S-II) and last the light from an ionized oxygen (O-III). The final image has a resolution of 15.000 x 10.000 pixels. I shot all frames with the Canon EF 200mm f1.8 camera optics at full open, QHY9 astrocam and Baader narrowband filter set.
There are no noise reduction, star reduction or sharpening used for this mosaic. It's very well in focus due to temp compensating focuser I made for this lens. (At f1.8 the critical focus zone is about 7 metric microns.)

Grande mosaic of Cygnus
Please, click for a large image, it's worth it! (3600 x 2300 pixels)


Image is in mapped colours, from the emission of ionized elements, R=Sulphur, G=Hydrogen and B=Oxygen.


Original 1:1 size detail from the mosaic image above
Please, click for a large image, it's worth it! (2700 x 1700 pixels)




Orientation in the sky
Click for a large image



Wonders of Swan

I have made a collection out of the photos I have shot from this area of the sky. I have used 517 hours of exposure time  to capture details from Cygnus between 2009 and 2018. I used this material to update my mosaic image of the Cygnus constellation. Full listing and detailed information can be found from here: https://astroanarchy.blogspot.com/2018/11/treasures-of-swan.html

Klick for a very large image 5500 x 3300 pixels




Chinese Dragon Nebula 
Click for a large image

The very large, 18-panels, mosaic of the Cygnus was my main work at Autumn season 2011.
I named it to the Chinese Dragon Nebula due to reason seen in the image above.
Image spans 22 degrees horizontally. (22 degrees = 44 full Moons side by side in the sky)








Tuesday, November 22, 2011

Cygnus project, the grande finale




Mosaic of dancing Nebulae
in constellation Cygnus


An Eight panel mosaic of Nebulae in Cygnus in mapped colors.
NOTE, this is a largish file, 1400x1950 pixels and 2,8 meg.

Direct link to a 2000x3000 pixel version HERE. (7,5 meg)
(Original one is ~14.000x10.000 pixels)

It took couple of Months to shoot all the needed frames for this mosaic and I did use every possible clear moment. This mosaic image has eight full size (3500x2500 pixels) panels and the final image has a massive size of 7.000 x 10.000 pixels. For every panel, I shot three different images of emission of ionized elements, Hydrogen, Sulfur and Oxygen. (H-a, S-II and O-III). This image is a mapped color composition showing Hydrogen as Green, Sulfur as Red and Oxygen as Blue. 

Image spans about 10 degrees horizontally and 14 degrees vertically. (Apparent size of the full Moon is ~30 arc minutes = 0,5 degrees. Full moon fits to this are at about 480 times!)

Generally this mosaic took a lots of work to finalize and it was kind of difficult to process since the star field is so very dense at galactic plane. Overall I'm happy with this result!

Northern constellation Cygnus (aka "Norther Cross") locates at the plane of our Milky Way and it's a treasure box of beautiful nebulae. Bright supergigant star Gamma Cygni can be seen at center Right, next to the Butterfly Nebula, IC 1318. The bright Blueish spot at upper Right is the Crescent NebulaNGC 6888.
At top Left, a beautiful open cluster, NGC 6819 , can be faintly seen. (It's well resolved in full res. image)
Two bright objects at bottom middle are Sh2-112 and a bluish Sh2-115. At bottom Right are parts of the North America and Pelicän nebulae visible. The propeller Nebula can be seen at center left. There are many other objects in this large field.


Overlay with a star map.




Closeups from the large panorama

Click for a large image! 

Open cluster, NGC 6819, at middle, from upper Left corner of the mosaic. 
I have finally teamed this f1.8 lens and now all of the stars are pinpoints to edge to edge!


Closeup from lower Right corner shows part of the North America & Pelican Nebulae.


The Crescent Nebula from upper Right.


Gamma Cygni from center Right and a part of the Butterfly Nebula.


A closeup of the "Cirrus" area from lower Left of the large mosaic.


New pictures from the panorama material

Since I now have a load of processed panels for the panorama, I have composed some new individual high resolution images out of them.

Click for a large image!

Mountains and dust of Pelican Nebula



A two panel panorama from Butterfly to the Crescent nebula



A two panel mosaic from the "Cirrus" area to the Butterfly Nebula





I started this project by shooting a Three panel mosaic of "Cirrus of Cygnus"

"Cirrus of Cygnus", this area can be seen at Left in an image at top.




A "Natural" Color composition from the emission line channels

As usually, I have done color compositions close to visual spectrum from narrowband channels. Since I have so many (too many...?) images in my blog post, I show just couple of them here. The method used for this color scheme is following:
R=80%Hydrogen+20%Sulfur, G=100%Oxygen and B=85%Oxygen+15%Hydrogen to compensate otherwise missing H-beta emission. This composition is very close to a visual spectrum.

Click for a large image!

Large Eight panel mosaic in natural color composition from the NB channels


A two panel mosaic from the same material.


An animation, nebula with and without stars

This animation will show more details in the nebula, since human brains gets easily fooled to see shapes in a cloud of dots, like stars are. Please, let the animated GIF load for few seconds to see it animated. ( 1,2 meg)
Click for a large image!

I think, that dim Blueish arch like formations, seen at top Left, are some reflections.
8,5nm O-III filter is too wide. to block all of the light pollution. and reflections can happened. 




Technical details

I have used a very fast camera optics, Canon EF 200mm f1.8, full open to collect all the data in this mosaic. Due that, total exposure time is relatively short, ~15h, there are some very dim formations clearly visible.

Processing work flow:
Image acquisition, MaxiDL v5.07.
Stacked and calibrated in CCDStack2.
Levels, curves and color combine in PS CS3.

Optics, Canon EF 200mm camera lens at f1.8
Camera, QHY9
Image Scale, ~5 arcseconds/pixel
Guiding, Meade LX200 GPS 12" and a Lodestar guider
Filter, Baader 7nm H-alpha and Baader O-III 8,5nm

Exposures for Eight panels,

Panel 1 (Top Left), 
H-a, 3x900s Binned 1x1
O-III, 2x300s Binned 3x3
S-II, 2x300s Binned 3x3

Panel 2 (Top Right), 
H-a, 5x900s Binned 1x1
O-III, 6x300s Binned 3x3
S-II, 6x300s Binned 3x3

Panel 3 (Upper Left), 
H-a, 3x900s Binned 1x1
O-III, 3x300s Binned 3x3
S-II, 2x300s Binned 3x3

Panel 4 (Upper Right), 
H-a, 4x900s Binned 1x1
O-III, 6x300s Binned 3x3
S-II, 6x300 Binned 3x3

Panel 5 (Lower Left), 
H-a, 5x900s Binned 1x1
O-III, 3x300s Binned 3x3
S-II, 2x300s Binned 3x3

Panel 6 (Lower Right), 
H-a, 8x900s Binned 1x1
O-III, 6x300s Binned 3x3
S-II, 6x300 Binned 3x3

Panel 7 (Bottom Left), 
H-a, 6x900s Binned 1x1
O-III, 3x300s Binned 3x3
S-II, 2x300 Binned 3x3

Panel 8 (Bottom Right), 
H-a, 4x900s Binned 1x1
O-III, 2x300s Binned 3x3
S-II, 2x300s Binned 3x3

Total exposure time for all channels ~15h

Top of light exposures, there are calibration files shot.
H-a, 21 Flat frames
O-III, 21 Flat frames
S-III, 21 Flat frames
All filters:
99 Bias frames
19 Dark frames