View allAll Photos Tagged Subframing
FR : Musée du cheval
Chantilly (60)
Détail de l'essieu avant directionnel en bois laqué d'un "Brougham", voiture hippomobile produite en Angleterre par Barker & Co vers 1880.
EN; Horse museum
Chantilly
Detail of the lacquered wooden directional front axle of a "Brougham", horse-drawn carriage produced in England by Barker & Co around 1880.
1 stack of 58 60s images, Canon 800D at ISO 800, Canon 400mm f5.6 lens at f6.3, iOptron Skyguider Pro tracker. 120 darks, 120 biases. Processed in PixInsight as below
* CC defect list + master dark (sigma = 8)
* Subframe selection
30*(1-(FWHM-FWHMMin)/(FWHMMax-FWHMMin))
+ 30*(1-(Eccentricity-EccentricityMin)/(EccentricityMax-EccentricityMin))
+ 20*(SNRWeight-SNRWeightMin)/(SNRWeightMax-SNRWeightMin)
+ 20
Eccentricity < 0.7 && SNRWeight > 1 && FWHM < 5. Keep frames 7173 and 7177 even though they failed the rejection conditions, for meteors
* star alignment:
img 8411 ref, frame adaptation (let's see if this works)
* ESD integration, range exclude
* drizzle integration, gaussian kernel\
*****Linear processing
*** Initial
* Crop
* DBE tolerance 3
*** CC
* PCC on Pleiades, default settings pixel size 2, background neutralization upper limit 0.0012
*** Decon
* star mask creation: extract luminance get starmask with starnet, then range mask 0.1-1 (1). from stretched luminance range mask 0.55-1 (2). Pixel math max the 2 as binary_star_mask. 4x dilate, 6x convolve
* PSF - ezdecon script
* background mask -ezdecon script and curves
* with background mask on, inverted, apply decon 100 iterations on luminance, deringing global dark 0.01 light 0.002 and local deringing with binary star mask, wavelet regularization
*** Denoise
Using jonrista.com/the-astrophotographers-guide/pixinsights/eff... as implemented by EZSuite.
* EZDenoise, TGV 1500 edge 1e-5, default MMT
***** Nonlinear
*** Initial stretch
* Masked stretch, default settings
* using a contrasty luminance as mask, curves stretch
*** Stretched color mods
* with binary_star_mask protecting stars, ACDNR on chrominance, lightness mask, stdev 4 iterations 6
* CC background ref upper limit 0.125
* invert, SNCR green 1, invert again (to fix magenta hues in whites)
* SNCR green 0.8
*** Star mods
* extract star mask with starnet, blur 3 layers of a trous, curve boost
* with it on, curve saturation upwards. Clone stamp out big stars - small_star_mask
* using that as a start, EZStarReduce using morphological transformation
* with small_star_mask on, unsharp mask 0.9, w/ deringing
***MLT stretch
www.stelleelettroniche.it/en/2014/09/astrophoto/m42-ngc19...
**Initial (fine details)
* created a new multiscale linear transform, kept 5 layers
* diffed from original image to create a "blurred" version of original image
* extracted luminance from original, s-shaped RGB curve used as mask on blurred version
* used curves to create s shape in RGB (asymmetrical, like a camera curve) and pump up saturation a lot
* pixelmath sum the 3, rescaled, back to original image
**Second (nebula)
* created a new multiscale linear transform, kept 7 layers, and diff from original
* extract luminance from diff, s-shaped RGB curve. Use as mask on blurred version
* slight boosts in sat and RGB
* pixelmath sum the 3, rescaled, back to original image
*** Finishers
* EzDenoise, TGV 1500 edge 8e-3, default MMT
* LHE kernel 512 contrast 1.5,slight boost in sat, 50-50 mix with original
* LHE kernel 256 contrast 1.5, 20-80 mix with original
* dark structure enhance
* MMT sharpen, 6 layers biases 0.05 0.05 0.025, 0.025, 0.012, 0.005 with luminosity mask s-curved for more contrast
Full version: theastroenthusiast.com/wp-content/uploads/2021/12/rosette...
Starless version: theastroenthusiast.com/wp-content/uploads/2021/12/starles...
I highly recommend opening the full version to take a closer look at some of the finer details revealed by the large integration time. A starless copy is also provided to show off fainter detail.
This incredibly detailed image of the Rosette nebula was created from more than 110 hours of exposure across three continents — Europe, USA, and Oceania. We combined 1064 subframes and 6791 minutes of exposure to reveal faint details previously masked by lower amounts of data. The high exposure time also allowed us to sharpen fine features, giving the image more contrast and revealing more fine structures.
On the top of the image lies a wispy structure of bok globules and dust, framed by the glowing ionized gas behind it. The center of the image displays the faint particle streams created by sulfur and oxygen gas blown away from the bright cluster of stars. Just below the center of the rosette nebula lies a beautiful mountain-like structure created by sulfur and hydrogen gas. Through the center of the image, faint wisps of glowing sulfer gas are visible above the dominant oxygen gas.
Credits:
Image Acquisition: Jens Unger (www.instagram.com/jazz.astro/), Rob Olson (www.instagram.com/the.robservatory/), Dominic Annis (www.instagram.com/domnuch/), Justin P. (www.instagram.com/justadudewitha_camera_/), Amrit Prasad (www.instagram.com/amrit.insta/), Tommy Lease (www.instagram.com/colorado_astro/), Jay Aigner (www.instagram.com/aignerastro/)
Image Processing: William Ostling (theastroenthusiast.com/), Justin P. (www.instagram.com/justadudewitha_camera_/)
We would love to have you in our astrophotography group! The link to join is in our Instagram bio: www.instagram.com/friendly.cosmos/
Widefield shot of M31 - taken with waxing crescent in the night sky
Taken using a 55-250mm telephoto lens at 170mm f/7.1
Canon EOS 700D on a HEQ5 Pro mount
1 hr 30 mins of subframes, 3 mins each at ISO 800
Stacked and processed in DSS and GIMP.
NGC 4039, the antennae galaxy, LRGB 8.5 hours total, 16min subframes, telescope GSO 30cms f8 native (mild descollimation), camera STT8300 at -35°C, AO-8 unit; from La Colonia, Illapel, Chile. This is a tribute to my Master (RIP) Daniel Verschatse who won a prize with this same object years ago.
Manufacturer: Auto Union AG, Auto Union AG, Chemnitz - Germany
Type: F4 Series Lastwagen
Engine: 692cc straight-2 two-stroke water-cooled
Power: 20 bhp / 4.000 rpm
Speed: 85 km/h
Production time: 1934 - 1936
Production outlet: unkown
Curb weight: 800 kg
Special:
- Auto Union was the result of a merger between four companies in 1932: Wanderer, DKW, AUDI and Horch.
- The emblem represents this amalgamation with its four rings, one representing each company.
- The shares were sold in 1964 to Volkswagen and from that time on they were called Auto Union (without DKW).
- In 1969, NSU became part of the union and became known as AUDI NSU. In 1985, it offically became known as AUDI.
- From 1931 until Juli 1963 they were build at Audi works in Zwickau, Germany.
- This DampfKraftWagen (DKW) "Lastwagen" / lorry was based on the F4 Series (1934-1935), having front wheel drive.
- It has a three-speed manual gearbox (with a lockable freewheel device), a "Krückstockschalthebel" / "umbrella stick" coming out of the dashboard, a 6-Volts electric system, a 32 liter fuel tank and front wheel drive.
- Its self-supporting body was supported by a U-profile plywood subframe, has rear hinged "suicide" doors for easier access and egress, independent suspension and drum brakes all around.
Manufacturer: Renault S.A., Boulogne-Billancourt (Paris) - France
Type: NN Torpédo 6CV
Production time: 1924 - 1928
Production outlet: ± 150,000
Engine: 951cc straight-4
Power: 15 bhp / 1.980 rpm
Drivetrain: rear wheels
Speed: 60 km/h
Curb weight: 810 kg
Wheelbase: 104.7 inch
Chassis: ladder frame with wodden subframe and separate body
Steering: screw and nut
Gearbox: three-speed manual + reverse / floor shift
Electric system: Bosch 12 Volts with starter/generator by Rhone, Paris
Ignition system: Bosch magneto
Brakes front: mechanical drum brakes
Brakes rear: mechanical drum brakes
Suspension front: semi-elliptic leaf springs
Suspension rear: transverse leaf springs
Rear axle: live
Differential: spiral bevel
Wheels: closed discs
Special:
- The model NN, aka Renault 6CV, was designed by Louis Renault and at first shown at the 1924 Mondial de l'Automobile in Paris.
- In the early '20s Renault released a series of new models, recognizable by their "cheese plate radiator” or "shovel-nosed" hood, with prominent "gills" on the sides of the bonnet/hood for cooling.
- The radiator was placed behind the engine, with the gas tank behind that (note the two caps on the hood).
- In 1927 it became the first car to make a solo trip across the Sahara Desert.
- The NN Series was assembled in Billancourt, France and available as this 2-door Roadster, as 2-door Coupé Limousine, as 4-door Torpédo, as 4-door Landaulet-Taxi, as 4-door Limousine and as rolling chassis for coachbuilders.
- In 1928 the larger and heavier NN2 was introduced (1928-1929), recognizable by the bumpers.
It's not the best time here for astrophotography, the nights are short the summer solstice approaches.
But I managed to have 3 hours of data on the Western Veil
The Western Veil (also known as NGC 6960) is a part of the Cygnus Loop a large a supernova remnant whose explosion dates back 10.000 years.
The Western Veil is a nebula made of ionized gas and dust located about 1,400 light years from Earth
-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 EQ5
Filter: Optrolong L-eXtreme
-Acquisition-
Light : 36x300s ( 3h ) at Gain:101 Offset:49
Dark,Flat,Offset
Date : Take on 3 night 06/13-15/2021
Location : France-Alsace Bortle 4/5
-Software-
Carte du Ciel, N.I.N.A, Phd2 , PoleMaster and PixInsight
All Processing in Pixinsight
Use EZ_Processing Suite(by darkarchon) in Pixinsight
-Pre Processing-
Image Calibration
Cosmetic Correction
Debayer
Subframe Selector
Star Alignement
Local Normalization
Drizzle x2
Crop the black bands from the stacking
-Processing-
Linear Fit
Channel Combination
DBE
EZ_Deconvolution
Background Neutralization
Photometric Color Calibration
SCNR (green 50%)
EZ_Denoise
EZ_Soft Strech
EZ_HDR
Curves Transformation with mask on nebula for Saturation, Hue and K channel
EZ_Star Reduction
Clear skies !
This image of NGC1499 was generated from the monthly image data given to iTelescope subscribers. The data was captured on their T80 telescope at E-Eye Fregenal de la Sierra on 27/10/2023.Because so few files had already been calibrated, the master files were created in AstroPixelProcessor before being processed in Pixinsight. The image is made up from 6 x LRGB 180s subframes giving a total integration time of 1.2 hours.
Our closest neighbor, the Andromeda Galaxy.
Another shot made with the new telescope OS Veloce RH200.
Also this image is a quite short expusure of the subject in a 4.5° field of view.
LLRGB made with all 10min subframes time are 30:30:30:30. A car passed during the exposure so a subtle reflection in form of an arch is visible on the image... What a pity.
Thanks for watching!
The Tyne ferry "Pride of the Tyne" viewed within the mechanism which raises and lowers the landing with the tides.
A mystery hides within 20 of the subframes within this image. I will reveal the oddities as I organize a good way to present them. I'm not saying they are unidentified aerial phenomena or aliens, but they do indicate a mystery object not recorded in satellite catalogues.
Dwarf III. 286 45-second subframes. Polar alignment.
Breakdown of follow up images:
www.flickr.com/photos/glenbledsoe/54829978059/in/photostr...
www.flickr.com/photos/glenbledsoe/54829738721/in/photostr...
www.flickr.com/photos/glenbledsoe/54830006013/in/photostr...
Full write up here: theastroenthusiast.com/a-luminous-m101-with-outer-spiral-...
Big, beautiful spiral galaxy M101 is one of the last entries in Charles Messier’s famous catalog, but definitely not one of the least. About 170,000 light-years across, this galaxy is enormous, almost twice the size of our own Milky Way galaxy. M101 was also one of the original spiral nebulae observed by Lord Rosse’s large 19th century telescope, the Leviathan of Parsontown. M101 shares this modern telescopic field of view with more distant background galaxies, foreground stars within the Milky Way, and a companion dwarf galaxy NGC 5474 (upper left). The colors of the Milky Way stars can also be found in the starlight from the large island universe. Its core is dominated by light from cool yellowish stars. Along its grand design spiral arms are the blue colors of hotter, young stars mixed with obscuring dust lanes and pinkish star forming regions. Also known as the Pinwheel Galaxy, M101 lies within the boundaries of the northern constellation Ursa Major, about 23 million light-years away. Its companion NGC 5474 has likely been distorted by its past gravitational interactions with the dominant M101.
I chose to dump a lot of integration time with longer subframes (28 hours worth of 3 minute frames) to try to reveal some of the fainter outer arms not shown in most astrographs. I think I succeeded quite well – you can see the three fainter arms take shape on the left side of the galaxy. Compared to my last image of M101, this is quite the improvement!
You can view all the background galaxies in this image: flic.kr/p/2n8WdGu
Website: theastroenthusiast.com/
Instagram: www.instagram.com/the_astronomy_enthusiast/
1978 Austin Morris Mini 1000.
Last taxed in October 2010 and last MoT test expired in April 2011. H&H classic car auction, Buxton -
"Chassis Number: XL251N-562760A
Engine Number: 328991
Finished in red with grey / black cloth upholstery, this particular example is described by the vendor as being in "good" condition with regard to its 998cc engine, four-speed manual gearbox, electrical equipment, interior trim, bodywork and paintwork. Stated to have covered "a genuine 24,000 miles from new" in the hands of "just two owners" and to have been with its first keeper for twenty-four years, 'YWE 680T' is further understood to have benefited from "a small of restoration work including a new rear subframe". While recent fettling has reportedly seen the Mini treated to "a new battery, clutch slave cylinder, rear shock absorbers and front brake shoes / cylinders". Riding on correct-type steel wheels, this low mileage Mini is offered for sale with "owner's handbook, price list when new, spare keys (with original dealer fob), MOT certificate valid until April 2011 and road tax valid until September 2010"."
Sold for £1760.
Clear night ! Let's go for the wizard nebula
The Wizard Nebula or NGC7860 is a emission nebula at a distance approximatly 85 000 light years from the sun.
The nebula spend ~20 light-years with an elongated shape and an extended tail.
Age estimates range from 4 to 11.9 million years
Feel free to ask a question and all criticism are welcome 👍
-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 EQ5
Filter: Optrolong L-eXtreme
-Acquisition-
Light :151x300s ( 12,6h ) at Gain:101 Offset:49
Dark-100x300s Flat-30 Bias-100
Date : Take on 2 night 2/3 september 2021
Location : France-Alsace Bortle 4/5
-Software-
Carte du Ciel, N.I.N.A, Phd2 , PoleMaster and PixInsight
-Pre Processing in PixInsight-
Image Calibration
Cosmetic Correction
Debayer
Subframe Selector
Star Alignement
Local Normalization
Drizzle x2
Crop the black bands from the stacking
-Processing
DynamicBackgroundExtractor
RGB layer
Split RGB channels
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 (K,saturation,hue)
Saturate stars for push up stars color
SCNR with star Mask for remove green stars
Bring back the stars with PixelMath
L layer
Ez_Denoise
Ez_Soft Stretch
Local Histogram Equalization with nebula mask
UnsharpedMask with nebula mask
LRGB
Final Curve Transformation
EZ_Star Reduction
Save as BMP 32bit file
Clear skies !
Dwarf III smart telescope
661 15-second subframes
Soul with a Capital S - www.youtube.com/watch?v=OSCz31lcSxI
M42 The Orion Nebula imaged in HaOiiiOiii. The Ha image is mapped to red and consists of 6 hours of 60 second subframes. The Oii image is mapped to green and blue and consists of 4 hours worth of 60 second subframes.
Ha data was captured during December 2019 and January 2020.
Ts65 Quad Astrograph & ASI1600MM Pro camera
It was mostly cloudy this weekend so I didn't get much of a chance to add to the Orion images, I went out and tried shooting at a place I thought would make a good winter shooting location based on light pollution maps (easy access, supposedly bortle 3), turned out not so great, guess I'll have to keep searching. I also changed up my setup a little bit, opened up the legs on my tripod and hung a 20 pound dumbbell under it for better stability, now it's rock solid. I tried shooting 5 minute exposures with my D7000 and Samyang 135mm lens, it seems like I can get to 5 minutes fairly consistently with not too many subs that have to be thrown out (keeper rate of about 75% I'd guess), but once I go above 5 minute exposures the keeper rate drops down to probably 30%. The periodic error (?) of the mount is 10 minutes from what I've read so I guess once you get up to that length of exposure you are running into mount limitations. I'm thinking of buying a guidescope and camera and trying out some guiding with the mount to see if I can improve the keeper rate, I'd really love to take some super long exposures (like 10 minutes) to really bring out the dust around this area as well.
So I ended up only getting another 6 subs out of all the ones I shot thanks to clouds and tracking error, I decided to go back and re-calibrate, register, and stack in PixInsight this time using the subframe selector script to weight the subs prior to registering/stacking. I also tried not going to wild on the post processing and just focusing on bringing out the dust without destroying the image with noise.
The spread wings of the Crested Caracara provide a subframe for the second Caracara at the top of a cell tower they have frequented over the past week or so. Before they move on, I will take as many pictures as possible. By the way, I’m not really sure if this counts as “subframing.”
Manufacturer: Pontiac Motors Division, Kansas City, Kansas - USA / General Motors Company, Detroit, Michigan - U.S.A.
Type: Firebird Trans Am Turbo 4.9
Engine: 4940cc V-8 302 Turbo 90°
Power: 203 bhp / 4.000 rpm
Speed: 190 km/h
Production time: 1980 - 1981
Production outlet: 178,229 (all Firebirds 1980-1981)
Curb weight: 1706 kg
Special:
- This car of the second generation (1970-1981) has a three-speed Turbo-Hydramatic automatic gearbox, a Rochester M4MC 4-barrel carburettor, a Garrett TB305 turbocharger, a 12-Volts electric system, a 79 liter fuel tank and rear wheel drive.
- The separate partial F-body frame chassis with self-supporting body with front subframe has a 108.2 inch wheelbase, a bulge in the hood (to create more space for the turbo), recirculating ball VPAS steering, a special bird decal on the hood, turbo graphics on the hood and deck lid spoiler, front trapezoidal wishbones, independent coil spring front suspension with sway bar, longitudinal semi-elliptic rear suspension with anti roll bar, telescopic shock absorbers all round, special disc wheels, tire size P225/70 R 15, ventilated hydraulic servo disc brakes at the front and powered hydraulic drum brakes at the rear.
- A “Yellow Bird” package, an electronic-tuned stereo radio with a four-speaker system, a new dark blue interior color, and new seating which came in five colors were optional.
- The second generation Firebirds were assembled at plants in Van Nuys (California) and Norwood (Ohio). Norwood used lacquer based paint while Van Nuys used water based paint , due to California's tightening pollution regulations. The water based paint often failed and delaminated during the warranty period and subsequently, cars had to be repainted.
Manufacturer: Wilhelm Karmann GmbH, Osnabrück - Germany / Volkswagen AG (VAG), Wolfsburg - Germany
Type: Typ 34 1500S Karmann Ghia Coupé
Production time: 1962 - 1965
Production outlet: 29,502
Production outlet: 42,505 (September 1961 - July 1969: 1500, 1500S and 1600 models)
Engine: 1493cc (HO4 OHV) four-cylinder boxer forced air-cooled
Power: 54 bhp / 4.200 rpm
Torque: 106 Nm / 2.400 rpm
Drivetrain: rear wheels
Speed: 145 km/h
Curb weight: 866 kg
Wheelbase: 94.5 inch
Chassis: central tubular frame with continuous deck, rear forked subframe and monocoque all-steel body
Steering: worm & roller with hydraulic damper
Gearbox: four-speed manual / all synchronized / floor shifter
Clutch: single dry plate disc
Carburettor: twin Solex 32 PDSIT downdraft
Fuel tank: 40 liter
Electric system: Bosch 6 Volts 77 Ah
Ignition system: distributor and coil
Brakes front: ATE hydraulic Duplex drums
Brakes rear: ATE hydraulic drums
Suspension front: independent lengthwise crank trailing arms, anti-roll bar connected to upper trailing links, crossed transverse round torsion spring rods, progressively acting rubber springs + hydraulic telescopic shock absorbers
Suspension rear: pendulum axle, double jointed CV joint trailing arms, transversely rotating torsion bars, progressively acting rubber springs + hydraulic telescopic shock absorbers
Rear axle: live swing type
Differential: spiral bevel 4.125:1
Wheels: 4½J x 15 safety rim wheels
Tires: 6.00S x 15L Bias 6-Ply tubeless
Options: Fichtel & Sachs Saxomat semi-automatic four speed transmission (an electromagnetic clutch with a centrifugal clutch used for idle), three-speed automatic transmission, Air Conditioning (USA), radio, electrically operated sliding steel sunroof
Special:
- The body, based on Typ 3 platform (VW 1500/1600) and for that called „große Karmann-Ghia“ / „big Karmann-Ghia“ in Germany, was restyled by Sergio Sartorelli from Carrozzeria Ghia SpA, Turin - Italy, but built by Karmann in Osnabrück - Germany.
- The Typ 34 was the flagship model of the entire Volkswagen line. It was the most expensive Volkswagen available (handcrafted body), the fastest, and the most luxurious (built-in fog lights, cigar lighter, electric clock, locking steering column, front & rear vent windows, variable wiper controls and luxurious interior).
- Initially, this would replace the original Type 14 Karmann Ghia, but later it was decided to assemble both types at the same time.
- Sales went bad because Type 34, nicknamed “Razor-Edge Ghia” in the UK, was almost as expensive as a Porsche 356 and it was not offered officially in the USA. But nowadays the USA has the largest number of known Typ 34’s Karmann Ghia’s left in the world (400 of the total 1,500 (officially registered) to 2,000 or so remaining.
- Currently, less than 1500 are worldwide registered at the “VW Type 34 Karmann Ghia Registry”, San Diego, California - USA.
- Production figures from Convertibles differences, but it is very likely that 12 vehicles (prototypes and zero-series) were built at Karmann in Osnabrück. Some sources mention 17 prototype units.
- Lorenz Karosserie GmbH, Wetter an der Ruhr, Northrhein Westfalen - Germany converted Coupé’s into Convertibles on customer request. There should have been about 20 Lorenz Convertibles.
This is part of my ongoing experiment to adapt one of my mono lunar/planetary cameras, a cooled ZWO ASI174MM, for deep sky work through my 300mm f/10 SCT. This is only a slightly trimmed LRGB image so M27 only just fits vertically in this close-up view. All luminance subframes were just 20 seconds each.
Practice experiments on two previous nights in the last week were ruined by a combination of poor skies with high cloud and some technical issues working out the right settings. I'm sure I can later improve on this image once I work out the optimum camera settings for the scope and add more data. The most important aspect was to gather appropriate dark and flat frames to ensure amp noise was removed.
The other parallel experiment was to abandon autoguiding and rely on the accuracy of my EQ8 mount.
Peter
L = 97x20 seconds
R = 13x30 seconds
G = 14 x30 seconds
B = 15x30 seconds
Peter
Starless verison
Original image : flic.kr/p/2mDTTGu
-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
Starnet++ for remove stars
Save as jpg
Clear Skies !
M101 is a spiral galaxy in Ursa Major near enough to us (~21 light years) for its spiral structure to be visible in modest telescopes under dark skies. The bright knots visible in its spiral arms are regions of star formation that are rich in ionized HII gas.
Telescope: Celestron EdgeHD 8"
Reducer: 0.7x (1440mm Focal Length)
Camera: QSI 683wsg
Filters: Baader RGB-CCD + UV/IR Cut
Mount: Astro-Physics Mach1 GTO
Integration: 40-50 mins each RGB; 35 mins L (5 min subframes)
Capture Location: Near Goldendale, WA
Processing Software: PixInsight v1.8
Subframed by the Waterlily leaves.
“Water Lilies' is an extension of my life. Without the water the lilies cannot live, as I am without art.”
― Claude Monet
IMG_4751.jpgt.jpgp.jpgy
The Pelican Nebula (also known as IC 5070) is an emitting nebula located about 2000 years from the earth.
It is very extensive in the sky, about 2.5 times the diameter of the Moon.
-Equipment-
Scope: TS-Optics 94/414 EPDH
(414mm focal)
Camera: ZWO ASI533MC Pro at -15°C
Guiding: ZWO OAG
Guiding camera: ZWO ASI 120MM
Mount: Skywatcher EQ5
Filter: Optrolong L-eXtreme
-Acquisition-
Light : 95x300s ( 8h ) at Gain:101 Offset:49
Dark-100x300s Flat-30 Bias-100
Date : Take on 5 night 05/24+30+31/2021 06/01+02/2021
Location : France-Alsace Bortle 4/5
-Software-
Carte du Ciel, N.I.N.A, Phd2 , PoleMaster and PixInsight
-Pre Processing in PixInsight-
Image Calibration
Cosmetic Correction
Debayer
Subframe Selector
Star Alignement
Local Normalization
Drizzle x2
Crop the black bands from the stacking
-Processing-
_L Layer_
DBE
EZ_Deconvolution
EZ_Denoise
EZ_Soft Stretch
Unsharp Mask
_RGB Layer_
Linear Fit
Channel Combination
DBE
Background Neutralization
Photometric Color Calibration
SCNR (green 50%)
EZ_Soft Strech
_LRGB_
LRGB Combination
Curve Tranformation
Color Saturation
Clear skies !
This is a stack of 8 150 s exposures taken around 2021-06-11 05:15 UT. The Leo Triplet consists of M65 (lower right), M66 (lower left) and NGC 3628 (top). These galaxies appear in Leo, about 8° north of the ecliptic. Since the inclination of Vesta's orbit is a bit over 7° to the ecliptic and its orbit is larger than Earth's, it can be photographed with the three galaxies.
Subframes taken with an Atik 314L+ color CCD on a HyperStar on a Celestron Edge HD 925. Preprocessing in Nebulosity; processing in PixInsight with final touches in Photoshop.
Vesta is the bright object in the lower right corner.
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Photographed 25 km east of Alice Springs, Northern Territory, Australia, long. 134.04° E., lat. 23.76° S., between 23.24 and 23.46 CAST (Central Australian Standard Time)
* Altitude of centre of frame at time of exposures: 40-43°
* Temperature 12° C.
* Total exposure time: 10 minutes
* 105 mm focal length lens
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Description:
The star pattern in the constellation Scorpius (The Scorpion) is one of the most recognizable in the sky. The lower part of this pattern - the tail of the scorpion - lies very low in the sky as seen from the northern hemisphere. From southern latitudes, however, this part of the sky is directly overhead during nighttime hours in the months of April-July.
Our home galaxy, the Milky Way, passes through Scorpius, as can be seen in this view. Numerous pink hydrogen gas clouds and many star clusters are concentrated in this part of the sky as well.
This is the telescope and mount that I used for my astrophotography on this trip:
www.flickr.com/photos/97587627@N06/28602350028
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@N06/40663302100
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Technical information:
Nikkor AF-S 70-200 mm f/2.8 G ED VRII lens on Nikon D810a camera body, mounted on Sky-Watcher HEQ5 equatorial mount with Kirk Enterprises ball head
Seven stacked subframes; each frame:
ISO 3200; 1 minute exposure at f/4.5, 105 mm focal length, unguided (with LENR - long exposure noise reduction)
Subframes stacked in RegiStar;
Processed in Photoshop CS6 (levels, brightness, contrast)
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