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The owls on the hillside just north of my home have been keeping me company at night. This little star cluster has risen above the treeline from which they call.
Nikon D90 camera
Sigma 150-500mm f/5-6.3 DG OS HSM APO Autofocus Lens
Orion TeleTrack GoTo Altazimuth Telescope Mount
20 X 30” exposures, f/6.3, ISO1600, 500mm
Dark, flat, dark-flat, and offset-bias frames applied
Stacking software: DeepSkyStacker
Post-processing: Photoshop CS5
New images (only a few due to cloud cover) and a new method of processing. It is a little blotchy but much more detail in the cloud.
Date:6/9/2009
Location:Brisbane Australia
Imaging Camera: Canon 1000D prime focus
Imaging Scope: Skywatcher 127mm Mak Cas
Focal Length: 1500mm F12
Guide Camera: SSAG
Guide Scope: Orion 80mm F5 Refractor
Guided with PHD Guiding
Mount: Celestron EQ5 GT
Exposure: 24 min (6x4min) full colour
Darks: 4x4min
ISO: 800
Processing: DeepSkyStacker, CS3, Noel Carboni's Astronomy Tools
The Veil Nebula is a cloud of heated and ionized gas and dust in the constellation Cygnus.
It constitutes the visible portions of the Cygnus Loop, a supernova remnant, many portions of which have acquired their own individual names and catalogue identifiers. The source supernova was a star 20 times more massive than the Sun which exploded between 10,000 and 20,000 years ago. At the time of explosion, the supernova would have appeared brighter than Venus in the sky, and visible in daytime. The remnants have since expanded to cover an area of the sky roughly 3 degrees in diameter (about 6 times the diameter, and 36 times the area, of the full Moon). While previous distance estimates have ranged from 1200 to 5800 light-years, a recent determination of 2400 light-years is based on direct astrometric measurements.
Imaged from my backyard on 8/19/20.
Explore Scientific ED102/Nikon D5300 (Ha mod) with IDAS LPS D-1 filter, w/Stellarview FF/0.80FR.80% illuminated moon.
55 Light frames at iso 400 for 240 seconds
Total integration of 3 1/2 hours.
Processed in DeepSkyStacker , Startools, Starnet++, and Photoshop.
Localisation : CastresmallObservatory (Castres, Tarn - France)
Acquisition Date : 2016-11-30
Auteur/Author : ROUGÉ Pierre
Mouture/mount : Orion Atlas EQ-G
Tube/Scope : Newton Orion 200/1000 (f/5) + MPCC Baader
Autoguiding : Skywatcher Synguider (v1.1) & Meade ETX 70/350 mm
Camera : Canon EOS 400D (Digital Rebel Xti) refiltré Astrodon in Side (modded Astrodon in Side)
+ EOS CLIP CLS Astronomik
Exposure : 63 minutes [21 subexposures of 180 sec each (selected from 21)] @ ISO 400
Calibration : Dark & Bias : 11/11 @ ISO 400 - Flat & Dark-Flat : 9 @ ISO 400
Temps/Weather : Bonne transparence. Vent nul. T=11°C. Humidité faible.
Constellation : Perseus/Persée
Software Used : Astro Photograph Tool (v3.13), DeepSkyStacker 3.3.6, Pixinsight LE, PhotoShop 7, xnview, Noiseware Community Edition
M92
Date: 08-21-2013
Telescope (Lens): Orion 8in f/3.9 Newtonian Astrograph
Addition Optics: Baader Planetarium RCC1 Coma Corrector
Camera: Canon XSi
Exposures: 48 x 60 sec (ISO 800) + Darks x10 ,Flats x10
Processing: DeepSkyStacker, Photoshop
Mount: Atlas EQ-G
Tracking: EQMOD / Stellarium / PHD Guiding
Guidance Camera: Logitech 3000 Pro
Guidance Scope: Celestron 9x50 Finder
Astromomy weather as forcasted by Canadian Meteorological Center:
Cloud Cover: Clear
Transparancy: Above Average
Seeing Category: IV (Above Average)
Temp: 75°F
Humidity: 55°
Light Pollution: "Red" - Based on Light Pollution Map
This is my first real attempt at image stacking. This actually took quite a while, now I just need to learn how to spot things in the sky. Ultimately, my goal is to get a nebula, i know now, this is going to take some work.
The process is quite involved, the image processing is involved as well and with it comes all kinds of algorithms and processes..
So, just learn as you go.
Orion Nebula M42
Celestron Nexstar 4se with T-ring
Canon eos 500d
About 15 mins of data with dark file
ISO 3200
Stacked in DSS
Levels stretched in Ps - I cant work out how to get colour
Nice, bright star cluster in constellation Cancer. This cluster have fallen into the sweet spot of my optics, so the halos around bright stars are at least center-symmetrical and not comet-shaped. Yes! This one turns out at steady 3 out of possible 5.
This shot and this share the same effective resolution so the apparent sizes can be compared. This only applies to "original" size of the images. M67 is tiny compared to Praesepe/Beehive. And has only 7,5m against 4m of the Beehive.
Aquisition time: 13.04.2013 around 23:45:00 MSK (GMT+4).
Equipment:
Canon EF 70-200 f/2.8L lens + Canon EF 2x III extender on EOS 60D mounted on Celestron CG-4 GEM (German equatorial mount) with RA drive.
Aperture 71 mm
Focal length 400 mm
Tv = 30 seconds
Av = f/5,6
ISO 800
Exposures: 85 + 12 dark frames
Processing: contrast was set to "linear" and vingetting was corrected with Canon DPP, 16 bit TIFFs were stacked in DeepSkyStacker, contrast'n'colors adjusted in Photoshop. Image scaled down 50% (cheat!).
Notes: this time I have recorded the steps of contrast adjustment. I'll better have bluish sky than reddish.
Orion Nebula, the middle "star" in Orion's sword. Crop from this image. 105 stacked 1/2 s exposures from Olympus E-520 with 300 mm lens.
We had three relatively clear nights on the bounce last week, which hasn't happened since the Roman occupation ;) This was taken Saturday night, but I only managed 12 frames before some cloud rolled in, so this is just 36 minutes.
Taken with the longest lens I possess at present (200mm), and then cropped a bit to take out the remnants of the amp glow that my darks don't seem to want to deal with at the moment, it doesn't reveal a lot of detail. But it looks cute! ;)
Nikon D70 modded, 55-200 Nikkor at 185mm (cropped), f6.3, 800iso, Baader Neodymium filter.
12 x 3 min, unguided EQ5
Darks, flats and bias
Stacked and processed in DSS and CS5, with a little help from Noel's tools.
Spiked :)
I was very pleased to get this result, as it is about as far South as I can see!
Unmodified EOS 40D & Celestron C8 telescope.
Manually off-axis guided for 3 x 5-minutes at ISO 1000 & 15 x 5-minutes at ISO 1600, f6.3. Images registered and stacked using DeepSkyStacker software.
Image of M63 (Sunflower Galaxy, NGC5055) made from some DSS stacked shots taken during the early hours of today using a Canon EOS 60D mounted on a Skywatcher 200 reflector.
A wide-field shot of the Ring Nebula (M57) in the constellation Lyra taken with a Nikon D5100 DSLR using a lens of only 100mm focal length. This image is best viewed in the Flickr light box (press the "L" key to toggle the light box and optionally click on the "View all sizes" menu item to see the image at its largest size).
This is a stack of eleven images that were exposed for 25 seconds each using a hand-driven, barn-door type tracking mount (two boards, a hinge, and a screw you turn by hand). The faintest stars recorded in this photo range down to approximately magnitude 13.5 (see image notes which identify a few of the brighter stars, north is off to the right).
Captured on October 17, 2011 between 8:03PM and 8:23PM PDT under fairly bright, hazy, light-polluted skies with a Nikon D5100 DSLR (ISO 3200, 25 second exposure x 11) and a 70mm-300mm AF-S G Zoom Nikkor lens at its 100mm f/5.6 position. Image stack created with DeepSkyStacker using eleven image frames combined with eight dark frames (no flats or bias).
All rights reserved.
Milky Way over Nichol's Field, Ipswich MA
3 shot composite stacked in Deep Sky Stacker for extra detail
Just a quick grab, I was not really planning on shooting this, but couldn't resist trying.
Exposure: 26x40s, ISO 800
Camera: Olympus E-PL1
Telescope: SkyWatcher 150/750
Mount: EQ3-2
Software: DeepSkyStacker, Darktable
Stacked on comet.
Exposure: 51x60s, ISO800
Camera: Olympus E-PL1
Lens: Konica Hexar 200mm f/4
Software: DeepSkyStacker, Krita, Darktable
View of the Milky Way in Cygnus (The Swan). The pink area in the center, below bright start Deneb is the North America Nebula.
Equipment: Nikon D3100 + Nikkor 18-55mm on a motorized SkyWatcher EQ5 mount (no guiding)
Image: ISO-800, F5.6, 18mm, @ 31 minutes total exposure (3 individual shots, each at @ 10 min), image stacked in DeepSkyStacker and then enhanced in GIMP.
(Image taken on August 18, 2014 but processed on September 9, 2014)
Nikon D3100 - Nikon NIKKOR-H Auto 50mm f/2 @ f2 / f2,8 / f4
Procesado con DeepSkyStacker + Adobe Photoshop CS6
Colores extraños en el procesado (+ contaminación lumínica), pero gustó igual!
Reprocessed version of my previous upload; I used DeepSkyStacker to subtract dark frames (and then stack just the one frame!).
Total 2hrs 55min
H-Alpha - 1x600 & 11x900s
Stacked in DeepSkyStacker & processed in PS2.
Camera: Atik 314L+
Filters: Baader H-Alpha 7nm
Scope: Sky-Watcher Equinox 80ED .
Mount: AZ EQ6-GT goto, PhD guided with Orion 50mm guidescope & SSAG.
Just faffing about using my new found "skills" whilst waiting for the sky to clear (and the moon to reappear!) :) An improvement on the last iteration I think, and much easier to process, although of course still sadly lacking in detail - I can't pull signal out of the hat ;)
Nikon D70 modded, 55-200 Nikkor at 185mm (cropped), f5.6, 800iso, Baader Neodymium filter.
23 x 5 min subs for a total of 1 hour 55 mins, unguided EQ5
Darks, flats and bias
Stacked and processed in DSS and CS5, with a little help from Noel's tools.
A 30mm view of our galaxy. Intricate dark dust lanes and star clouds with millions of stars like our sun dominate the image. Somewhere in the centre lurks Saggitarius A* the supermassive black hole weighing 4 million times our sun.
17x1 minute exposures iso 1600.
Grande nébuleuse d'Orion (M42) Orion nebula
Nébuleuse de l'homme qui court (NGC 1975 et NGC 1977) Running Man nebula
Nikon D5100
William Optics ZenithStar 73
60x30 sec + DOF
F/5,9 -- Iso 200
Sky-Watcher Star Adventurer
Traitement: DeepSkyStacker + Gimp (traitement draft)
AstroM1
(r.1.1.0)
Imaging telescopes or lenses: Canon 70-200 f4 IS L
Imaging cameras: Canon 600 astro-modificated
Mounts: Skywatcher Star Adventurer B
Software: Photoshop, DeepSkyStacker, Fitswork
Filters: Astronomik Clip-Filter (EOS) / CLS
Resolution: 2601x1732
Dates: Feb. 7, 2015
Frames: 67x75"
Integration: 1.4 hours
Stereo image created with Star removal PS Action from J-P Metsavainio. See astroanarchy.blogspot.co.uk/2008/11/star-removal-ps-actio....
IC4628 in scorpius. My first attempt in H alpha for this target under nearly full moon separated by roughly 19d33´ . Gradients of light were imminent. It is work in progress, so in my next session I will add CLS and OIII to obtain a narrowband color palette.
2020/05/08
Lo Barnechea, Chile
The object:
Object Name: IC 4628
Object Type: Nebula
RA (Topocentric): 16h 58m 24.9s
Dec (Topocentric): -40° 21' 46"
Magnitude: 10
Constellation: Scorpius
-> IC4628_200508H
Televue NP101is+SBIG ST8300M+Astronomik Ha+Losmandy GM8
MaximDL5+Deepskystacker+Gimp
Stacking mode: Standard
Alignment method: Automatic
Cosmetic applied to hot pixels (Filter = 1 px, Detection Threshold = 50.0%)
Cosmetic applied to cold pixels (Filter = 1 px, Detection Threshold = 50.0%)
Stacking step 1 ->32 frames (ISO: -) - total exposure: 2 hr 40 mn 0 s
RGB Channels Background Calibration: Yes
Per Channel Background Calibration: No
Method: Kappa-Sigma (Kappa = 2.00, Iterations = 5)
-> No Offset -> Dark: 10 frames (ISO : -) exposure: 5 mn 0 s
Method: Average
-> Flat: 20 frames (ISO: -) exposure: 1/2 s
Method: Median
Stack of 31 frames for an exposure of 37.5 minutes. Frames of 1 minute and 2 minutes at ISO 800 and 400. Stacked in DeepSkyStacker and then finished in PSE.
First serious attempt with autoguider.
Taken with a TMB92L, Canon T3i DSLR, and Celestron CG-4 mount. Consists of 43 light and 33 dark frames, each a 45-second exposure at ISO 800, stacked in DeepSkyStacker and processed in Photoshop.
Nebulosa Trífida (Messier 20 NGC 6514)
Trífida significa "dividido en tres lóbulos", nombre propuesto por John Herschel.
Es una nebulosa tanto de emisión como de reflexión, y de absorción al mismo tiempo, tiene un brillo aparente de 6.3
Está a 5200 años luz de nosotros.
Data: 234 lights 30 seg Iso800 + 23 darks que dan unas 2hs 5 minutos de información
English: Trifid Nebula (Messier 20 NGC 6514)
Triffid means "divided into three lobes" a name proposed by John Herschel.
It is a nebula of both emission and reflection, and of absorption at the same time, it has an apparent brightness of 6.3
It's 5,200 light-years away from us.
Data: 234 lights 30 sec Iso800 + 23 darks that give about 2hs 5 minutes of information
Procesado: DeepSkyStacker + Gimp
Open star cluster located approximately 385 light years from Earth.
The faint reflection nebulosity (forming the Maia and Merope Nebulae) visible around the hot blue stars is caused by light from the stars reflecting off dust in the surrounding interstellar medium.
Exposure: 33 x 50s exposures @ ISO1600 equiv. Darks & bias/offset, no flats. Total integration time: 27.5 mins.
Camera: Canon EOS 60Da
Lens: EF 70-200mm 1:4 L USM @ f/5.0. 200mm (x1.6).
Filters: Astronomik CLS
Mount: Piggy-backed on 8" Meade LX10. Rough polar alignment.
Guiding: None
RAW images stacked in DeepSkyStacker, processed in PSPx5.
Pinwheel Galaxy
The Pinwheel Galaxy is a face-on spiral galaxy distanced 21 million light-years away in the constellation Ursa Major, first discovered by Pierre Méchain on March 27, 1781, and communicated to Charles
Distance to Earth: 20.87 million light years
Magnitude: 7.86
C-11/CGEM-DX Hyperstar F/2
Canon 450d full spectrum
30 sec subs ISO 800
Imaged under the almost Full Moon.
Stacked in DeepSkyStacker
Imaging telescopes or lenses: Celestron Nexstar 8SE SCT
Imaging cameras: Astrolumina ALccd5L-IIc
Mounts: Celeston Nexstar 8 SE
Guiding telescopes or lenses: Celestron Nexstar 8SE SCT
Focal reducers: Teleskop-Service TSRED051 – 0.5x focal reducer
Software: Photoshop, DeepSkyStacker, PIPP, Fitswork
Resolution: 1068x788
Dates: Feb. 14, 2015
Frames: 157x4"
Integration: 0.2 hours
A star-forming region 5000 light-years from Earth and measuring 130 light-years across. The central stars are emitting radiation and stellar winds, carving out large areas within the nebula.
January 2018
Bristol, UK (Bortle 9)
Telescope: Skywatcher Evostar 80ED DS-Pro, .85x r/f
Camera: ZWO ASI1600MM-C
Mount: Skywatcher HEQ5 PRO
Guide: 50mm finderscope, QHY5
Software: SGPro; DeepSkyStacker; RegiStar; Photoshop; Lightroom
H-a (green): 36 x 3 mins, total 108 mins
SII (red): 50 x 3 mins, total 150 mins
OIII (blue): 20 x 3 mins, total 60 mins
------------------------------------------------------------
Total integration time: 5 hours 18 minutes
------------------------------------------------------------
By Lee Pullen
Localisation : CastresmallObservatory (Castres, Tarn - France)
Acquisition Date : 2017-09-24
Auteur/Author : ROUGÉ Pierre
Mouture/mount : Orion Atlas EQ-G
Tube/Scope : Newton Orion 200/1000 (f/5) + MPCC Baader
Autoguiding : Skywatcher Synguider (v1.1) & Meade ETX 70/350 mm
Camera : Canon EOS 400D (Digital Rebel Xti) refiltré Astrodon in Side (modded Astrodon in Side)
+ EOS CLIP CLS Astronomik
Exposure : 81 minutes [27 subexposures of 180' @ ISO 1600]
Dark 5 @ ISO 1600 - Offset 9,Flat & Dark-Flat : 11/9 @ ISO 1600
Temps/Weather : Bonne transparence. Vent nul. T=15°C. Humidité faible.
Constellation : Cygnus / Cygne
Software Used : Astro Photograph Tool (v3.33), DeepSkyStacker 3.3.6, Pixinsight LE, PhotoShop 7, xnview, Noiseware Community Edition
Minha primeira captura da Running Chiken Nebula (IC 2944). Tirada de um local bortle 3, o @bregildo_camping .
My first capture of the Running Chiken Nebula (IC 2944). It was taken from a bortle 3 sight, the @bregildo_camping .
High quality: www.flickr.com/photos/192999137@N08/with/51159906731/
Canon T3i modified, Sky-Watcher 200p (200/1000mm), ISO 800. Guiding with Asiair and ASI290mc in an adapted finderscope 50mm, Eq5 Sky-watcher mount and AstroEq tracking mod. 17 Ligth Frames of 180s, 28 darks and 50 bias. 51m total exposure. Processing on Pixinsight. Bortle 3.
#astrophotography #astrofotografia #nightsky #stars #astronomy #astromomia #space #CanonT3i #canon600d #dslrmod #telescopio #telescope #skywatcher #skywatcher200p #Eq5 #skywatcherEq5 #AstroEq #DeepSkyStacker #deepsky #pixinsight #asi290mc #ZwoAsi #zwoasi290mc #asiair #guiding #runningchikennebula #ic2944 #astfotbr
12X1200"Sii, 24X1200"Ha, 12X1200"Oiii SVR90T OTA, Atik 428ex, AP900, DeepSkyStacker, Photoshop levels, curves, blending, guided with Orion SSAG and Orion ShortTube guidescope.
M13, Globular Cluster. Taken with Celestron 1100HD and CGEM DX. Used QSI 640wsg camera with lodestar guide camera.
9 shots of luminance at 1x1 bin at 10 minutes each and 6 shots each of RGB at 2x2 bin at 5 minutes each. Processed with DeepSkyStacker and GIMP 2.6. RGB exposure was a little too long resulting in some star bloating.
Nikon D3100 - Lente Nikon 18-55 - 18mm - f3.5 - 15" - ISO 3200
Procesado con DeepSkyStacker (8 lights, 2 darks, 2 bias) + Adobe Photoshop CS5
Decided to try out my new Pentax O-GPS1. This was shot using the astrotracer function of the GPS. By the 6th exposure, the clouds started to cover the night sky and got to end the session. Using only 5 exposure of 1 minute, this is the result I get after stacking.
Details
Pentax K-30 & DA12-24
5 x 1 minute
Stacked using DSS (all light frames)
12mm focal length
ISO400
Taken on 11 July 2013, 1:40am
Tripod: Yes
Equatorial mount: Astrotracer
EOS 1000D, ISO 800
MC Macro Revuenon 1:2,8/28mm, 3x180sec @ f/5,6 + 1x180sec @ f/4
Deepskystacker, Fitswork, Photoshop
constellations:
center: Aquila (Adler)
center top: Sagitta (Pfeil)
lower left: Equuleus (Füllen)
upper left: Delphinus (Delphin)
lower right: parts of Scutum (Schild) and Serpens (Schlange)
Canon EOS 60Da & EF 70-200mm 1:4 L USM lens piggy-backed on 8" Meade LX10.
ISO1600. Focal length 172mm (x1.6). 25x20s light frames @ f/4.5, 40x20s dark frames @ f/4.5, 40x1/8000s bias/offset frames. JPEG, 5184 x 3456.
Stacked in DeepSkyStacker, processed in PSPx5
M45 - Pleiades star cluster - 5 and 9-Dec-2013 - William Optics GT102 102mm triplet refractor on HEQ5 mount - QHY8L CCD camera + 0.8x Flattener/Reducer (for 560mm @ f5.5), guided with QHY5-II FinderGuider and PHD, 16 frames (300sec) Total Exp:1h20m + 29 darks + 29 EL panel flats, captured with Nebulosity 3, stacked with DeepSkyStacker, post-processed with Capture NX2/Nebulosity 3
The Orion Nebula and De Mairan's Nebula, M42 and M43 respectively, as viewed under urban light using an Astronomik CLS Clip-Filter. The CLS (City Light Suppression) is an interference filter that blocks the light of the spectral lines of mercury and sodium-vapor lamps and lets the largest part of the visible light and H-alpha emissions pass. All the important emission lines, as well as the spectral region that the very well dark adapted eye can see, can pass through the filter. This was my first attempt at using the filter and stacking images using DeepSkyStacker. Camera used was a Canon EOS 70D, with an EF 24-105 mm lens, mounted on an iOptron SkyTracker. Location was Burlington, Ontario, 43°19'57" N, 79°46'38"W, ambient temperature a balmy -13°C under a waxing gibbous moon, no cloud cover and marginal to average transparency and seeing. Eight light frames and six dark frames, no flat or bias frames, all shot at ISO 400, f/4 for 30 seconds and 105 mm.