View allAll Photos Tagged Subframing
I've heard of the Pacman Nebula for a long time and it's not too hard to see the shape that earned its name. I've always zoomed in trying to catch as much detail in the nebula as possible. But this time I zoomed out and notice that there was more to the Pacman identity than just the shape. Viewed from the right angle it appeaAptera that the nebula is rushing ahead to gobble up ⍺Cas. Video game at an astronomical level!
Seestar S50 - 828 ten-second subframes | Polar alignment | Mosaic mode.
For this rendition of the 2-panel mosiac, I ran all of the subframes through the same PixInsight WBPP run so that they would all be at the same local normalization, I applied ChannelCombination to the RGB masters for each panel separately before merging the panels, and I produced separate star and nebula images before applying nonlinear stretches. The stars image was stretched delicately while the nebula image was stretched very agressively. I like the stars that resulted from this treatment.
ZWO ASI6200MM-Pro
Tele Vue NP101is (4" f/5.4)
Losmandy G11
NINA for session management
PixInsight for processing
Each panel consisted of qty 8 240s subs each for RGB, and qty 16 subs for L. Total integration time was 2:20 per panel.
M42 The Orion Nebula imaged in HaOiiiOiii. The Ha image is mapped to red and consists of 4 1/2 hours of 60 second subframes. The Oii image is mapped to green and blue and consists of 2 1/2 hours worth of 60 second subframes.
Ha data was captured on the 22nd, 29th and 30th December 2019 and the Oiii data on the 12th January 2020.
Ts65 Quad Astrograph & ASI1600MM Pro camera
1997 Rover 114 SLi auto 3-door.
Last taxed and last MoT test expired in May 2017.
It failed a test that month -
Offside front windscreen wiper does not clear the windscreen effectively (8.2.2)
Nearside front subframe mounting prescribed area is excessively corroded (2.4.a.3)
Offside front subframe mounting prescribed area is excessively corroded (2.4.a.3)
Nearside front seat belt anchorage prescribed area is excessively corroded (5.2.6)
Offside front seat belt anchorage prescribed area is excessively corroded (5.2.6)
32 Panel Orion Mosaic
Each panel:(average#)
L-14x30sec
R-10x30
G-6x30
B-6x30
HA-3x120sec
Totals:
1130 Subframes/ 13h 45m
The original image measured 22,220 x 14,660 pixels
QHY163M
11" Celestron EdgeHD w/Hyperstar (F/2)
Orion HDX-110
I overlayed an extremely blurred, cropped version of this: flic.kr/p/JEStw8 and set the layer to "soft light" as an experiment...
Also I used core data from these:
Horsehead Nebula full: flic.kr/p/22tVKd3
Horsehead close-up: flic.kr/p/P1UuSp
M42 full: <a href="https://flic.kr/p/RWJcUJ"
Processed in PixInsight, assembled in Photoshop 2017
For this image I took two photos of two horses looking over a fence, I then superimposed a close up of one of the horses, reduced it in size and repositioned it onto the original image which I made black and white.
I have wanted to get a detailed shot of this supernova remnant for quite some time. The guiding wasn't perfect this night, but I'm pleased with the overall result. I wonder if I'll be able to do this well enough again in the future to watch the expansion of the nebula that continues from when it appeared in the sky as a supernova in 1054 C.E.
Shot with a Celestron Edge HD 925 at focal length 2210 mm (f/9.4) with an Atik 414-EX monochrome CCD and Optolong RGB deep sky filters. All subframes were 150 s exposures.
R: 21 exposures
G: 21 exposures
B: 24 exposures
Preprocessing in Nebulosity; registration, stacking, channel combination, and initial processing in PixInsight; final touches in Photoshop. Taken from my light polluted backyard in Long Beach, CA.
NGC 2244 also know as the Rosette Nebula is a emission nebula located in the Monoceros constellation.
The nebula is at 5200 light years from earth and is approximately 65 light years wide
-Equipment-
Scope: TS-Optics 94/414 EPDH (414mm focal)
Camera: ZWO ASI533MC Pro at -25°C gain 101 offset 49
Guiding: ZWO OAG
Guiding camera: ZWO ASI 120MM
Mount: Skywatcher AZ-EQ6
Filter: Optolong L-eXtreme
-Acquisition-
Light : 76x300s
Total integration time 6,3h
Dark: 34x300s Flat-50 Bias-100
Date : 12 January 2022
26,27,28 Febuary 2022
Location : France-Alsace Bortle 4/5
-Software-
Carte du Ciel, N.I.N.A, Phd2 , PoleMaster and PixInsight
Ez Processing Suite from darkarcon
darkarcon website : darkarchon.internet-box.ch:8443/
-Pre Processing each panels in PixInsight-
Image Calibration
Cosmetic Correction
Debayer
Subframe Selector
Star Alignement
Local Normalization
Image Integration
Drizzle x2
Dynamic crop
-Processing
DBE MasterLRGB
___RGB layer___HOO
Split RGB channels to build Ha and Oiii
Ha=R Oiii= B*0.3+G*0.7
EZ_Soft Stretch
HOO combination with Foraxx formula
R=Ha
G=((Oiii*Ha)^~(Oiii*Ha))*Ha + ~((Oiii*Ha)^~(Oiii*Ha))*Oiii
B=Oiii
Starnet++ for remove stars and build a mask nebula
Color Saturation
Curves Tansformation
Saturate stars for push up stars color
SCNR star mask
Bring back the stars with PixelMath
___L layer___
Ez_Deconvolution
Ez_Soft Stretch
Local Histogram Equalization with nebula mask
UnsharpedMask with nebula mask
___LRGB___
Ez_Denoise
Final Curve Transformation
Annotation
Save as JPG
Clear skies !
this is actually a reprocessing of the image I took earlier in the year, now that I have a slightly better understanding of how to process astro images, another challenge is that instead of a stack of one hour of data this is simply a single 2 minute subframe stretched, very happy with how it came out
Description: This image of the Pleiades Star Cluster M45 was developed by me from 120x300s subs or 10.0 hours of total exposure time.
Date / Location: 9-11, 13, 14, 16-19 December 2022 / Washington D.C.
Equipment:
Scope: WO Zenith Star 81mm f/6.9 with WO 6AIII flattener/focal reducer x0.8
Cooled camera: ZWO ASI 2600MC Pro at 100 Gain and 50 Offset
Mount: iOptron GEM28-EC mount
Guider: ZWO Off-Axis Guider
Guide camera: ZWO ASI 174MM mini
Focuser: ZWO EAF
Light pollution filter: Chroma LoGlow Broadband Light Pollution Reduction Filter - 2"
Software: Pixinsight
Processing Steps:
Preprocessing: I preprocessed 120x300s subs (= 10.0 hours) in Pixinsight to get an integrated image using the following process steps: Image Calibration > Cosmetic Correction > Subframe Selector > Debayer > Select Reference Star and Star Align > Image Integration.
Linear Postprocessing: Rotation > Dynamic Crop > Dynamic Background Extractor (both subtraction to remove light pollution gradients and division for flat field corrections) > Background Neutralization > Color Calibration > Noise Xterminator.
Nonlinear Postprocessing and additional steps: Histogram Transformation > Local Histogram Equalization > Curves Transformation > SCNR Noise Reduction. Multiple passes of Histogram Transformation, Local Histogram Equalization and Curves Transformations were made in small doses.
Definition: Sub-framing is a type of compositional photography technique wherein one or more photo elements are framed by another element.
Photo by Alexandre Fernandez
Press L for a better view my friend :-)
Website I FaceBook I Kabook I GettyImages I Instagram
******************************************************************************
Photographed at Algonquin Provincial Park, Ontario, Canada, between 04.00 and 04.21 EDT
(285 km by road north of Toronto)
* Altitude of nebulae at time of exposures: 40°
* Temperature -2° C.
* Total exposure time: 10 minutes
* 540 mm focal length telescope
For a version of this photo WITH LABELS, click on your screen to the RIGHT of the photo, or click here:
www.flickr.com/photos/97587627@N06/30192300591
___________________________________________
Description:
Among the most photographed and examined areas of the sky is this region surrounding Alnilak, one of the three bright stars in the Belt of Orion.
The Horsehead Nebula: The famous Horsehead Nebula, which was first photographed and identified in 1888 by Scottish astronomer Williamina Fleming at the Harvard Observatory, is a foreground cloud of dark gas that is seen in silhouette against a background red hydrogen gas cloud.
Read more about the Horsehead Nebula here:
en.wikipedia.org/wiki/Horsehead_Nebula
... and here:
www.space.com/16528-horsehead-nebula.html
The Zeta Orionis (Flame) Nebula: The large, intricate pale pink nebula to the lower right of the brightest star is the Flame Nebula (NGC 2024), which is located between 900 and 1,500 light years from our solar system.
For more about this nebula, click here:
en.wikipedia.org/wiki/Flame_Nebula
The Orion Molecular Cloud Complex: Both the Flame and the Horsehead Nebulae are part of this huge star-forming region in Orion. Read more here:
en.wikipedia.org/wiki/Orion_Molecular_Cloud_Complex
___________________________________________
Technical information:
Nikon D810a camera body on Teleview 101is apochromatic refracting telescope, mounted on Astrophysics 1100GTO equatorial mount using an ADM Accessories side-by-side saddle
Ten stacked frames; each frame:
540 mm focal length
ISO 3200; 1 minute exposure at f/5.4; unguided
(with LENR - long exposure noise reduction)
Subframes registered in RegiStar;
Stacked and processed in Photoshop CS6 (levels, brightness, contrast, colour balance, sharpening)
******************************************************************************
This is a re-process of my original RGB photo from May 2024. An additional 1 hour of luminance subframes was added to the original image stack. Thsi helped to bring out the details of the molecular cloud and trails of dust.
Additional technical details can be seen at my Astrobin page:
taken from my backyard on May 12 , 2020 just before midnight . 26 subframes 120 sec each stack in PI
First try with HDR in pixinsight, hope you like it !
-Equipment-
Scope: TS-Optics 94/414 EPDH (414mm focal)
Camera: ZWO ASI533MC Pro at -25°C gain 101 offset 49
Guiding: ZWO OAG
Guiding camera: ZWO ASI 120MM
Mount: Skywatcher AZ-EQ6
Filter: Optolong L-eXtreme
-Acquisition-
Light : 62x300s + 88x120s
Total integration time 8h
Dark: 100x300s Flat-50 Bias-100
100s120s
Date : 30 January 2022
07,26,27 Febuary 2022
Location : France-Alsace Bortle 4/5
-Software-
Carte du Ciel, N.I.N.A, Phd2 , PoleMaster and PixInsight
Ez Processing Suite from darkarcon
darkarcon website : darkarchon.internet-box.ch:8443/
-Pre Processing in PixInsight-
Image Calibration
Cosmetic Correction
Debayer
Subframe Selector
Star Alignement
Local Normalization
Image Integration
Drizzle x2
Dynamic crop
-Processing
*HRD*
DBE 300s and 120s
StarAlignement -> register 300s and 120s
HRDComposition -> blend 300s and 120s frame
Split L,R,G,B Chanel
__L__
Ez_Deconvolution
Ez_Soft Streatch
HDRMultiscaleTransform
StarNet++ for build nebula mask
UnsharpedMask with mask
LocalHistogramEqualization with mask
__RGB__
ChanelCombination(RGB)
BackgroundNeutralization
PhotometricColorCalibration
Ez_Soft Streatch
HDRMultiscaleTransform
Starnet++
SCNR star mask
__LRGB__
LRGBCombination
Ez_Denoise
StarNet++
Final CurvesTransformation
Save as jpg
Clear skies !
The first light with my new mount and telescope.
165 minutes of total exposure, 33x300sec subframes, calibrated with darks and bias frames.
Camera: QSI 583wsg
Mount: Sky-Watcher NEQ6 pro
Telescope: TS 8" f/5 Newtonian
comma corrector: Baader MPCC mark III
The Elephant's Trunk Nebula is a concentration of interstellar gas and dust located in the constellation Cepheus about 2,400 light years away from Earth.
Images taken at the end of September 2023.
Full resolution : astrob.in/o8h9n7/0/
Sii= 75x300s
Ha= 76x300s
Oii= 75x300s
Total time : 18h50'
-Equipment-
Scope: Askar107PHQ (740mm focal)
Camera: ZWO ASI6200MM Pro at -5°C gain 101 offset 49
Filter: Optolong SHO 3nm 50.80mm
Mount: Skywatcher AZ-EQ6
Guiding camera: ZWO ASI 120MM+ZWO OAG-L
All processing was done in Pixinsight exept one step
-Pre Processing-
Image Calibration
Cosmetic Correction
Subframe Selector
Star Alignement
Local Normalization
Image Integration
Drizzle x2
-Processing-
Star Alignment
Dynamic Crop
Dynamic Background Extractor
BlurXTerminator
NoiseXTerminator
StarXTerminator
HistogramTransformation
-Stars-
ChanelCombination
ImageSolver
SpectrophotometricColorCalibration
HistogramTransformation
ACDNR (green100%)
ACDNR (green50%)Ctrl+i
ColorSaturation
-L-
Mix max(Ha and Sii)
HDRMultiscaleTransform with mask
Mix (0.75xL+0.25xL_boost)
-SHO-
SHO palette
TSL/color in Lightroom
ColorSaturation
-L-SHO-
LRGBCombination
CuvesTransformation
ColorSaturation
More CurveTransformation
Add Stars
FinalCrop
M51 - The Whirlpool Galaxy
Easily one of the most photographed deep sky objects, M51 never ceases to amaze me. My first ever astrophoto in 2012 was of this galaxy, and I've shot it pretty much every year since, constantly improving on what had come before. This year was no different other than the amount of data I had.
I shot this over many nights in the spring and early summer despite having a lot of cloud cover to deal with. Overall, I had about 12 hours of data, but much of that didn't quite measure up due to clouds blowing through, deteriorating my images. It look me quite a long time to go through hundreds of images manually to weed out the obviously bad stuff until I had just shy of 8 hours of data. Then finally in stacking, I whittled that down even further.
This is the final image with 6 hours, 10 mins of data made up of a mix of 3 and 5 minute exposures.
-= Tech Data =-
-Equipment-
Imaging Scope: Sky-Watcher Quattro 250P
Mount: Celestron CGX
Imaging Camera: ZWO ASI 1600MC-Pro
Filter: SCT Duo Narrowband
Focus: Pegasus Astro Dual Motor Focuser
Guide Camera: Orion SSAG
Guide Scope: Starfield 60mm guide scope
Dew Control: Kendrick
Power: Pegasus Astro Pocket Power Box
- Acquisition -
∙ 6H 10M of mixed 3 and 5 minute exposures.
Calibration:
∙ Darks: Master darks for each subframe length
- Bias: Master bias from my bias library (stack of 100 exposures)
- Software -
Acquisition / Rig Control: Sequence Generator Pro
Stacking: Astro Pixel Processor
Processing: PixInsight
Post Processing: Photoshop CC
Shot at the Camden Lake Provincial Wildlike Area near Moscow, Ontario.
The Packard Station Sedan was a pseudo luxury station wagon model produced by the Packard Motor Car Company of Detroit, Michigan between 1948 and 1950, using the Packard Eight platform. By offering the Station Sedan Packard could market a vehicle with station wagon attributes, but without the investment cost associated with a complete station wagon development program.[2]
The Station Sedan used a combination of steel framing and body parts along with structural wood panels made from northern birch to create a "woody" station wagon-like car due to the growing popularity of them after World War II. Unlike other woody wagons of the day, which used wooden passenger compartments mounted to chassis of a particular car, the Station Sedan used a steel subframe and steel passenger doors onto which hard wood panels were mounted. The only wooden door on the vehicle was the rear gate assembly.[3] Unlike competitor station wagons from Buick, Chrysler and Mercury, the Packard's length was not long enough to accommodate optional third row seating.[3]
Neither a sedan, nor true station wagon, the Station Sedan enjoyed limited success, with a listed retail price of US$3,459 ($38,958 in 2021 dollars [4]) for its final year of 1950, and was discontinued when the 1951 Packard models were introduced.
As of last week, the Bugatti Veyron is once again the fastest car in the world. The figures are stunning: 8.0 litres, 4 turbochargers, 16 cylinders, 1001 hp, 4wd.
This Lego model has been built to 1:15 scale (16-wide) for Eurobricks 2010 LDD Challenge and features a mid-mounted W8 piston motor, 4wd, four-wheel independent modularised suspension. The vehicle is built to true automotive method. The front passenger tub is technic pin mounted to the rear engine/chassis subframe. All exterior panel except the roof are unstressed and can be detached from the body. The rear spoiler is also height and pitch adjustable.
The constellation of Cygnus has a lot of interesting things to photograph and covers a wide areas of the night sky. In this image you can find NGC 6910 aka Rocking Horse Nebula, which is a loose collection of stars. You can find SH2-108 the Butterfly Nebula. The dominant star is yCyg.
Semester S50
724 ten-second subframes
I revisited a bunch of previous RGB data and now added about an hour of Hα data. This galaxy really needs it. All those pink areas are regions of intense star formation, where some of the most massive stars are being born. The particularly big pink blob in the upper right is known as NGC 604. It is an emission nebula in another galaxy that is so large and bright that it gets its own designation. Think of really outstanding examples like this in our own sky -- M17 or the Eta Carina Nebula. This one has both of them beat for size and luminance. It only looks small because it is 3 million light years away.
All subframes shot with a Celestron Edge HD 925 at f/2.3 with Hyperstar. RGB data taken over multiple nights with an Atik 314L+ color CCD; hydrogen-alpha data taken with an Atik 414-EX with Atik 7 nm bandpass filter. Preprocessing of images in Nebulosity; registration, channel combination, and processing in PixInsight; final touches in Photoshop.
Messier 101 - The Pinwheel Galaxy + SN
Credit: Giuseppe Donatiello
RA 14h 03m 12.6s DEC+54° 20′ 57″
Messier 101 (NGC 5457) is a face-on spiral galaxy at 21 million light-years (6 Mpc) in Ursa Major discovered by Pierre Méchain on March 27, 1781.
M101, with a diameter of 170,000 light-years, is comparable in size with the Milky Way. It has a disk mass on the order of 100 billion solar masses, along with a small central bulge of about 3 billion solar masses.
SN 2023ixf, the bright supernova that exploded in an arm of M101
taken on May 27, 2023 at 20:55 UTC
This is a very zoomed-in crop of the stack of just 10 subframes of 30 seconds at ISO 3200 300mm telephoto, uncalibrated.
The supernova, clearly visible in every single frame, exhibits an unusual cyan color in my images, in stark contrast to the yellow bulge of the galaxy.
Helix nebula (NGC7293), hAlpha, 36 h total exposure time with Hyperstar 14"/F1.9 with ASI 1600 and RASA 11"/F2.2 with ATIK 460, parallel mounted on a ASA DDM85. Single subframe exposure time between 90 sec unbinned for the center structures and 180 sec 2x2 bin for the faint environmental veils. I am very happy how many structures of the environment are getting visible. I look forward to your feedback! Tenerife November 2017.
The great Andromeda Galaxy M31 in messier catalog
This is a 4 panel mosaic capture during two cold nights.
Starless version : flic.kr/p/2mDSYEG
-Equipment-
Scope: TS-Optics 94/414 EPDH (414mm focal)
Camera: ZWO ASI533MC Pro at -5°C
Guiding: ZWO OAG
Guiding camera: ZWO ASI 120MM
Mount: Skywatcher NEQ5
Filter: Astronomik L
-Acquisition-
Light :Panel-1 60x300s
Panel-2 60x300s
Panel-3 52x300s
Panel-4 60x300s
Dark-100x300s Flat-50 Bias-100
Date : Take on 2 night 05 September2021
and 10 October 2021
Location : France-Alsace Bortle 4/5
-Software-
Carte du Ciel, N.I.N.A, Phd2 , PoleMaster and PixInsight
Ez Processing Suite from darkarcon
darkarcon website : darkarchon.internet-box.ch:8443/
-Pre Processing each panels in PixInsight-
Image Calibration
Cosmetic Correction
Debayer
Subframe Selector
Star Alignement
Local Normalization
Drizzle x2
Dynamic crop
-Build the 4 panel mozaic
It's my first 4 panel mosaic so I follow this tutorial from Amy Astro www.youtube.com/watch?v=T0f8Tl_kC0A
-Processing
DBE master Light
Split L,R,G,B layer from Master light
__L__
Ez_Deconvolution
Ez_Denoise
Ez_Soft Streatch
Ez_HDR
UnsharpedMask with mask
__RGB__
Linear Fit
BackgroundNeutralization
PhotometricColorCalibration
Ez_Soft Streatch
Starnet++
CuvesTransformation with mask
A lot of curves...
Bring back stars with PixelMath
__LRGB__
LRGBCombination
Final CurvesTransformation
Ez_Star Reduction
DarkStructureEnhance script
Save as jpg
Clear Skies !