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Another version, revealing more nebulosity.
Been learning some more PixInsight and Photoshop tricks. This is the same data from last month but reprocessed for a better final image. It's much cleaner and more balanced than the prior version. Astrophotography is an iterative process.
The Pleiades, also known as the Seven Sisters and Messier 45, are an open star cluster containing middle-aged, hot B-type stars in the north-west of the constellation Taurus. The stars in this cluster lie around 444 light years away.
Image Details:
- Imaging Scope: William Optics 66mm Petzval
- Imaging Camera: ZWO ASI183MC Color with UV/IR Blocking filter
- Guiding Scope: AstroTelescopes 80mm ED Refractor
- Guiding Camera: Orion Starshoot Auto Guider
- Acquisition Software: Sharpcap
- Guiding Software: PHD2
- Light Frames: 16*4 mins @ 100 Gain, -25C
- Dark Frames: 16*4 mins
- Flat Frames: 50
- Stacked in Deep Sky Stacker
- Processed in PixInsight and Adobe Lightroom
Also known as :
* LBN 549
* Sh 2-162
* IC 11
From Wikipedia :
The Bubble nebula is a H II region emission nebula in the constellation Cassiopeia. It lies close to the direction of the open cluster Messier 52. The "bubble" is created by the stellar wind from a massive hot, 8.7 magnitude young central star, SAO 20575. The nebula is near a giant molecular cloud which contains the expansion of the bubble nebula while itself being excited by the hot central star, causing it to glow. The radius of the bubble is estimated between 3 and 5 lightyears.
SHO-combined
R : SII
G : Ha
B : OIII
Shooting Location :
* 51° N 3° E
* bortle class 5 backyard
Object Information
* Type : Emission Nebula
* Magnitude : 11.0
* Location (J2000.0): RA 23h 20m 45s / DEC +61° 12' 42"
* Approximate distance : 2.175 to 3.400 parsecs / 7.100 to 11.000 lightyears
Hardware
* Mount : Celestron CGX
* Imaging Scope : Sky-Watcher Explorer 150PDS
* Imaging Camera : ZWO ASI 183MM
* Filter Wheel : ZWO EFW 7*36mm + Baader Ha 7nm, Baader OIII 8.5nm + Baader SII 8.5nm + Baader LRGB
* Coma Corrector : Baader MPCC III
* Guide Scope : Sky-Watcher StarTravel 80
* Guide Camera : ZWO ASI 120MM
Exposures
* Single Exposure Length : 300s
* Sensor Temperature : -20°C
* Gain : 111
* Offset : 10
* Light Frames :
> Baader Ha : 72
> Baader OIII : 75
> Baaser SII : 51
* Bias Frames : 500
* Dark Frames : 100
* Flat Frames : 100/channel
* Flat Dark Frames : 50/channel
* Total Integration Time : 16h30m
* Capture Dates :
> 2018-09-13 : Ha
> 2018-09-26 : SII
> 2018-10-05 : OIII
Capture Software
* Sequence Generator Pro
* PHD2 Guiding
Processing Software
* PixInsight
* Adobe Photoshop
* Noiseless
Acquisition- Ron Brecher
PixInsight 1.8.9, Photoshop 2023
Object description at www.billionsandbillions.com
The Tadpole Nebula in Auriga, catalogue reference IC410.
Taken in 2021, reprocessed in October 2023.
Telescope: Takahashi E130D
Focal length: 430mm f/3.3
Camera: QHY247C
Exposure: 13 x 10 mins
Taken from the Lake District, Cumbria (UK)
NGC 2022 is a planetary nebula in the constellation of Orion, located at a distance of 8210 light-years from the Sun.
NGC 2022 is a vast orb of gas in space, cast off by an aging star. The star is visible in the orb's center, shining through the gases it formerly held onto for most of its stellar life. When stars like the Sun grow advanced in age, they expand and glow red. These so-called red giants then begin to lose their outer layers of material into space. More than half of such a star's mass can be shed in this manner, forming a shell of surrounding gas. At the same time, the star's core shrinks and grows hotter, emitting ultraviolet light that causes the expelled gases to glow. This type of object is called, somewhat confusingly, a planetary nebula, though it has nothing to do with planets. The name derives from the rounded, planet-like appearance of these objects in early telescopes. (REF: science.nasa.gov/missions/hubble/hubbles-portrait-of-star...)
Observation data: J2000 epoch
Right ascension: 05h 42m 06.19056s
Declination: +09° 05′ 10.5843″
Distance: 8.21 kly
Apparent magnitude (V): 11.6
Apparent dimensions (V): 28″
Constellation: Orion
Tech Specs: Orion 8” RC Telescope, ZWO ASI2600MC camera running at -10F, 81 x 60 seconds, Celestron CGEM-DX pier mounted, ZWO EAF and ASIAir Pro, processed in DSS and PixInsight. Image Date: January 31, 2024. Location: The Dark Side Observatory (W59), Weatherly, PA, USA (Bortle Class 4).
M51, the Whirlpool galaxy in Canes Venatici.
A fresh start on this one, done on 02/05/14 but only just got around to posting it. There are over 30 galaxies in this image in total.
Skywatcher Explorer 200P
NEQ6 Pro
EOS1100D (astro mod) + CLS clip filter
Guided with QHY5 mono finder/guider + IR/UV cut filter
22x 300s @ISO800
+ darks + flats + bias frames
Stacked and processed in Pixinsight & CS3
Messier 93 (M93, NGC 2447) is a nice open star cluster in constellation Puppis. As one of the last deepsky objects found by him personally, open cluster M93 was discovered by Charles Messier and cataloged by him on March 20, 1781. M93 is one of the smaller but bright open clusters, the stars forming a triangular shape. At least about 80 members appear scattered over its 22' apparent diameter, which is of the order of 20-25 light years linearly at its distance of about 3,600 light years. The brightest stars of M93 are blue giants, its age has been estimated as roughly 100 million years. (ref: www.messier.seds.org/)
Observation data (J2000.0 epoch)
Right ascension: 07h 44m 30.0s
Declination: −23° 51′ 24″
Distance: 3.6 kly
Apparent magnitude (V): 6.0
Apparent dimensions (V): 22′
Tech Specs: William Optics REDCAT 51 Telescope, ZWO ASI071MC camera running at -10F, 43 minutes using 60 second exposures, Sky-Watcher EQ6R-Pro mount, ZWO EAF and ASIAir Pro, processed in PixInsight. Image Date: February 6, 2024. Location: The Dark Side Observatory (W59), Weatherly, PA, USA (Bortle Class 4).
Description - Taken over 2 nights and processed in PixInsight, the Crescent Nebula can be seen at the centre surrounded by copious amounts of hydrogen gas in the surrounding star field.
The Crescent Nebula (also known as NGC 6888, Caldwell 27, Sharpless 105) is an emission nebula in the constellation Cygnus, about 5000 light-years away from Earth. It was discovered by William Herschel in 1792. It is formed by the fast stellar wind from the Wolf-Rayet star WR 136 (HD 192163) colliding with and energizing the slower moving wind ejected by the star when it became a red giant around 250,000 to 400,000 years ago. The result of the collision is a shell and two shock waves, one moving outward and one moving inward. The inward moving shock wave heats the stellar wind to X-ray-emitting temperatures.
Information care of Wikipedia.org
Telescope - Skywatcher 100 ED Esprit with Field Flattener
Gain - 100
Camera - ASI2600MC
Guiding - AM5
Image Capture - ASIAIR
Mount - AM5
Filter - Antlia Triband RGB
File - NGC 6888 Crescent Nebula Int ABE PhotoCal BlurExt NoiseExt Hist SCNR Curves
Exposure - 48 x 5min - Total 4 hours
Date Taken - 7th-8th July 2024
Time Taken - 3am
Tenerife, Canary Islands
7,000ft above sea level
All processing in PixInsight
Ed ecco la versione elaborata con il software Pixinsight di questa meravigliosa regione del cielo,
Data: 02/06/2016
Telescopio: Canon EF-S 55-250mm f/4-5.6 IS II (@250 mm)
Telescopio di guida:
Montatura: Celestron CPC-800 xlt
Camera di acquisizione: Canon 600D Baader
Camera di guida:
Pose: 70x60 s.
ISO: 1600
Dark: 15
Flat: 15
DarkFlat:
Bias: 15
Temp. sensore: 23 °C.
Temp. ambiente:16 °C
Bortle: 7
Software di acquisizione: O'Telescope BackyardEOS 3.1.
Software di elaborazione: DSS, MaximDL, Photoshop.
Luogo: Pedara (CT).
Shown here on the last quarter moon, the craters Ptolemaeus, Alphonsus, Arzachel (top to bottom, respectively), and the moon’s Straight Wall (lower third and left).
This photo is best seen at full size (1234 x 1280) or in the Flickr Lightbox.
Image capture done with a Celestron C9.25 Edge HD, an Astro-Physics 2X barlow, and a Sony NEX-5R digital camera (manually selected, best 50 images out of a series of 80 still captures, ISO 400, 1/20 second at an effective focal length of 5170mm).
Image processing done in AutoStakkert! 2 (stacking), PixInsight (sharpening), Photoshop CS5, and Adobe Lightroom.
All rights reserved
Cloudy nights begs for revisits of old data ...
18x180s SII
14x180s Hα
4x180s OIII
100xBias
50xFlats per channel
50xDark Flats per channel
100xDarks
Processed in Pixinsight
Dense nebula region including IC 1274, NGC 6559, and IC 1275.
This area is close to the Lagoon nebula (M8), and is probably associated with it.
Emission nebulae dominate the image, with a reflection nebula at the left. Strong dust lanes obscuring the stars on the right, and along the sinuous paths on the left.
Image remotely using itelescope T31, Siding Springs Australia.
20 inch f/4.5 Planewave CDK telescope.
Transparency and seeing very good
2 hours 10 minutes total exposure.
FLI-PL09000 CCD camera
August 26-28, 2016
30:25:35:39 Minutes L:R:G:B mostly five-minute exposures
Luminance includes 5 short 60s exposures for HDR.
(7 frames were obtained on T 33, 16 inch ASA f/3.3 scope)
IC 1848 - Soul Nebula
A large area of nebulosity located in the constellation Cassiopeia. Captured October 16, 2018 north of the townsite of Banff. Clear and cold and no signs of Bears.
Telescope: Williams Optics Z61
Focal Ratio: f/5.9
Focal Length: 360mm (cropped)
Mount: Celestron CGX
Exposures: 20X90sec
Gain: 94 (Unity) Offset: 50
Camera Temp: -15°C
OAT: -1°C
Bias: 50
Darks: 50
Processing: PixInsight, LR
I wasn't satisfied with the colour of my previous IC 1396 image so the white balance was modified slightly. Some sharpening was also done.
Orion is now appearing in the early morning sky and I can remember that just a few weeks ago it was too low in the sky to be photographed (was actually blocked from view by a bush on my eastern horizon).
Photographed on the morning of August 20, 2012 from a moderately dark-sky location using a 5 inch aperture, f/4.2 telescope and a Sony NEX-5N digital camera (ISO800, a stack of eighty-eight images each exposed for 30 seconds, producing a total exposure integration time of 44 minutes). Tracking for each of the 30 second exposures was performed by a Celestron CGEM mount (no manual or auto guiding, standard sidereal rate after one star polar align).
Image registration, integration, and adjustments done with PixInsight v01.07.06.0793 with final tweaks in Photoshop CS5.
This photo is best viewed against a dark background (press the "L" key to enter the Flickr light box).
All rights reserved.
Date: Feb.10, 2024
Location: Asagiri Arena, Shizuoka Pref., Japan
Cloud Coverage: 5% ~ 30%
Wind: Calm
Temperature: -1.6C ~ -0.4C
Humidity: 64% ~ 75%
Scope: BORG71FL, 1.08xFlattener (432mm, f/6.1)
Mount: RST-135
Autoguider: QHY5L-II, LM75JC, PHD2
Camera: Canon EOS 6D (SEO-SP4)
ISO speed: 3200
Exposure: 79x180sec.
Processing: PixInsight
Date: 20:00-22:20JST Jan.3, 2019
Location: Otaki Town, Chiba Pref., Japan
Cloud Coverage: < 5%
Temperature: 0.6C ~ 0.1C
Humidity: 65%
Wind: ~ 0.5 kt
Air Pressure: 1012.7
Lens: SIGMA 50mm F1.4 DG HSM | Art
Mount: SWAT-200
Autoguider: N/A
Camera: Canon EOS kiss X5 (mod)
ISO speed: 1600
Exposure: (12x240sec.(f/2.8)+8x100s.(f/4)) x 2panels
Processing: PixInsight
This sequence shows the steps taken using Adobe Photoshop and the Nik Collection of Photoshop filters after initial processing of the image in PixInsight.
Date: 24:40-28:00JST Sep.30, 2017
Location: Otaki Town, Chiba Pref., Japan
Cloud Coverage: 0-10%
Lens: SIGMA 135mm F1.8 DG HSM Art
Mount: SWAT-200 (single axis autoguiding)
Autoguider: QHY5L-II, LM75JC, PHD2
Camera: Canon EOS 6D (SEO-SP4)
ISO speed: 1600
Exposure: 3x30x110sec.(f/1.8) + 8x15sec.(f/2.8)
Processing: PixInsight, AstroPixelProcessor
Distancia: 5.200 años luz
Constelación: Canis Major
De la NASA: la nebulosa Sh2-308 tiene un diámetro de unos 60 años luz, que a 5.200 años luz de distancia le da un tamaño aparente similar al de la luna llena. Es creada por los vientos originados por la estrella en el centro, de la clase Wolf-Rayet. Tiene unos 70.000 años de antigüedad. Su color azuloso se debe al brillo de los átomos de oxígeno ionizado. En la imagen pueden verse además 40 galaxias del catálogo PCG y las nebulosas Sh2-303, LBN-1047 y LBN-1052
Datos de la imagen:
Exposure: RGB: 2 hr 45 min (33 x 5 min)
Telescope: Celestron C9.25 Edge - Hyperstar
Camera: ZWO ASI071MC Pro
Focal ratio: f2.3
Capturing software: Sequence Generator Pro - SGP
Filter: IDAS NBX
Mount: iOptron CEM60
Guiding: Orion StarShoot Autoguider with PHD2 and Stellarvue F60M3
Dithering: Yes
Calibration: 100 darks, 100 flat darks, 50 flats
Processing: PixInsight
Date: 05-Ene-2021
Location: Bogotá, Colombia
M51 - the Whirlpool Galaxy with supernova SN2011dh. This supernova, which is a star that explodes, occurred around May 31. This supernova is a type II supernova, which collapses under its own weight after it's nuclear fuel runs out and isn't sufficient enough to keep it stable. The compression creates a neutron core that quickly becomes degenerate and cannot take any more matter. The outer part of the star bounces off the neutron core that develops and quickly explodes it's material into space.
Taken with my 8" Ritchey-Chretien. Cropped from the full frame due to some nasty gradients and dark frame problems. Quick processing too, so a bit noisy. Also, the guiding wasn't great, so the stars are more egg-shaped, looks like a mount tune-up is in my future.
Imaging scope: Astro-Tech 8" Ritchey-Chretien
Imaging Camera: ST8300M (capture with Equinox Image)
Filters: Baader filters in FW5-8300 filter wheel
Guide scope: Astro-Tech 65 Quadruplet
Guide camera: Starfish Fishcamp (guided with PHD)
Mount: Atlas EQ-G
Calibrated in Equinox Image and processed in PixInsight.
L - 60min : 12x5min (1x1)
R - 30min: 6x5min (2x2)
G - 30min: 6x5min (2x2)
B - 25min: 5x5min (2x2)
Distancia: 6.200 años luz
Constelación: Tauro
De SkySafari: la nebulosa del cangrejo es el remanente de una estrella que explotó como supernova en el año 1054 y que fue documentada en esa época por los astrónomos chinos. Aún se sigue expandiendo como consecuencia de esa explosión.
En el centro existe el Pulsar del Cangrejo, una estrella de neutrones que gira 30.2 veces por segundo.
Es fuente de rayos X y ondas de radio. Los filamentos que se observan están compuestos de materiales que hacían parte de la antigua estrella como helio, hidrógeno, carbono, oxígeno, nitrógeno, hierro, neón y azufre. Se estima que la temperatura es de entre 11.000 y 18.000 grados.
Telescope: Celestron C9.25 Edge HD
Camera: ZWO ASI071 Pro
Focal ratio: f10
Focuser: MicroTouch Focuser
Exposure: 5hr 43 min in total at unity gain
(71 x 3min + 26 x 5min) RGB IDAS filter
Capturing software: SequenceGeneratorPro - SGP
Mount: iOptron CEM60
Guiding: Orion StarShoot Autoguider with PHD and Stellarvue F60M3
Dithering: Yes
Calibration: 30 flats, 100 darks, 100 flat darks
Processing: PixInsight
Date: 12-ene-2021 y 16-ene-2021
Location: Bogotá, Colombia
7h20m on m42.
astromod canon 50d @ ISO800.
astronomik CLS clip-in filter
canon 200L f/2.8 + 2xTC @ f/8
main stack: 55x8 minutes exposure (7h20m)
shorter exposures for trapesium recovery: 10x15s, 10x30s, 10x60s
mount: orion skyview pro modded for GPUSB
autoguiding with PhD + meade DSI/celestron 50mm finderscope
calibrated, debayered (superpixel), registered and stacked with PixInsight 1.6.9
processing in PixInsight 1.6.9
reprocessed 10/2013 in PixInsight 1.8RC7
45X10 min sub exposures calibrated and combine in Pixinsight and Processed in Photoshop. Imaged in Haddonfield NJ over 2 nights in October 2019
Almost wasted a rare clear night with camera/usb connection issues. Just had time to squeeze in a quick Ha/OIII/OIII version of M42 in before the inevitable return of clouds.
A challenging picture of Comet Swan as it rose above the horizon in the north of the UK on 21st May 2020 at 2.40am just as the dawn sky was brightening.
Camera: QHY163M
Scope: TS INED 70mm with 0.8x reducer
Exposure: 4 x 30s per RGB filter
Processed in Pixinsight.
Reprocessed photos with PixInsight taken in 2012. - Nikon D5100, Nikkor 50mm @ f/2.8; 16x30s; ISO 1600.
Northfield, OH
May 15, 2022, a partly cloudy night, with a few opportunities to observe this eclipse.
Otra edición de 'Via Lactea II'.
Imagen tomada desde la Reserva de Punta Indio en una noche con poca Luna. 32 imágenes apiladas con DSS. 20 Darks. Lente: Sigma 10-20 f/4-5.6 @ 10mm. 30 segundos por toma.
Se corrigió el Viñeteo del lente y el WB de los RAWs, luego exportados a TIFF y procesados con DeepSkyStacker, y finalmente con PixInsight LE.
Se aumentó el parámetro "Star Detection Threshold" en DSS para intentar mejorar la alineación.
I'm working out how to use PixInsight to pull The Pleiades out of an urban sky (Bortle 6+ light pollution) with data from a tiny 2" WO Redcat 51 telescope. This image has 90 minutes of total exposure at ISO 3200 with a Sony a7 iii. Pixinsight background extraction, color calibration and smarter noise reduction has considerably improved the image.
180 30 second exposures from the Sony a7iii stacked in Nebulosity with background extraction, color calibration, and noise reduction in PixInsight. Final crop and exposure adjustment in Photoshop.
With this night forecasted as the only clear one for the next week, I was lucky to have captured Comet Johnson under very good sky conditions. This image processed in Pixinsight and Photoshop CS 6.0 shows a small but brightening comet with a developing longer tail than last week.
Used Nikon d7100, Nikon 180mm f/2.8 @ f/5, iso 2000, exp. 41x118s. The comet only moved about 2 pixels/hr or about 8 arcsec/hr. In about 82 minutes so I was able to have the comet and stars without showing drift (although I fixed the comet in this shot). The story was a lot different for Comet P41 (movement was easily detected in just 90 sec): www.flickr.com/photos/79387036@N07/33268372880/in/photost...
Rho Ophiuchi Cloud Complex - Gérgal - June 2021
Rho Ophiuchi Cloud Complex is an amazing collection of dark gas and dust illuminated by blue star forming regions and the bright yellow star of Antares. To the right of Antares is M4, a globular cluster of stars. The distance from Earth is approximately 460 light-years making it one of the closest star forming regions to our Solar System.
This is a wide angle view of the sky using a lens of only 150mm. It is relatively low in the sky at a maximum elevation of 30 degrees above the horizon from my location in Southern Spain.
Camera: Nikon D850 (Stock) DX Crop
Telescope: Tamron 150mm - 600mm telephoto at 150mm f/8
Mount: iOptron SmartEQ Pro
Guide camera: ZWO ASI120MM-S
Guide telescope: ZWO 30mm f/4 focal length 120mm
Location: Gérgal, Almeria, Spain.
Elevation: 720 mtrs above sea level
Bortle : 4
Imaging period: 9 sessions between the 1st and 13 of June 2021
Total integration: 27.75 hours
721 x 90s ISO 3200
78 x 180s ISO 3200
350 x 60s ISO 16000
Capture Software: N.I.N.A
Guiding Software: PHD2
Processed with: PixInsight and Adobe Lightroom Classic.
#astrophotography #rhoophiuchi #IC4603 #antares #nikon #tamron
Date: 20:55-23:35JST Jul.15, 2018
Location: Amagi Highland, Shizuoka Pref., Japan
Cloud Coverage: < 5%
Wind: 0.5 ~ 3 kt
Temperature: 19.5C ~ 19.9C
Humidity: 86% ~ 90%
Air pressure: 900hPa
Lens: SIGMA 135mm F1.8 DG HSM Art
Mount: SWAT-310 (single axis autoguiding)
Autoguider: QHY5L-II, LM75JC, PHD2
Camera: Canon EOS 6D (SEO-SP4)
ISO speed: 1600
Exposure: 48x150sec.(f/2.2)+15x60sec.(f/2.8)+15x15sec.(f/2.8)
Processing: PixInsight
updated on Jan. 9, 2020
The Tulip Nebula (Sh 2-101)
Quick rough edit in SHO.
Shooting Location :
* 51° N 3° E
* bortle class 6 backyard
Object Information
* Type : Emission Nebula
* Magnitude : 9
* Location (J2000.0): RA 20h 00m 29s / DEC +34° 19' 14"
* Approximate distance : 1.800 parsecs / 6.000 lightyears
Hardware
* Mount : Celestron CGX
* Imaging Scope : Sky-Watcher Explorer 150PDS
* Imaging Camera : ZWO ASI 183MM
* Filter Wheel : ZWO EFW 7*36mm + Baader Ha 7nm, Baader OIII 8.5nm & Baader SII 8.5nm
* Coma Corrector : Baader MPCC III
* Guide Scope : Sky-Watcher StarTravel 80
* Guide Camera : ZWO ASI 120MM
Exposures
* Single Exposure Length : 300sec
* Sensor Temperature : -20°C
* Gain : 111
* Offset : 10
* Light Frames :
> Baader Ha : 37x
> Baader OIII : 29x
> Baader S2 : 29x
* Flat Frames :
> Baader Ha : 50x
> Baader OIII : 50x
> Baader S2 : 50x
* Dark Frames : 30x
* Bias Frames : 100x
* Total Integration Time : 7h55m
* Capture Dates : 2018-08-05 & 2018-08-06
Capture Software
* Sequence Generator Pro
* PHD2 Guiding
Processing Software
* PixInsight
* Adobe Photoshop
A proper run out with the 3nm Astrodon Ha filter. The stacked data turned out to be as good as I thought it would be, so much more contrast and small scale detail to play with compared to the old 12nm filter.
Luckily I only had 1 sub ruined by pesky Perseids!!
4 hour exposure time with an Altair Astro 6"RC and Atik 314l+, processed in Pixinsight and CS5,
4-5 NOV 2016, Meizhou, China.
Nikon D810A, Takahashi FSQ-85, EM-11, Orion Startshoot Autoguider w/PHD2 MAC, Manual GOTO.
Lights x 9+37 (2 nights) x 240s, ISO2000, Darks x 21; Flats x 20, Bias x 50+.
Processed in Pixinsight, Photoshop
This is my processing in PixInsight of the NGC 2237 data obtained by "TheDog" astrophotographer with the non-modified Canon 60D and 8" f/5 Newton telescope with Baader MPCC III.
The link to the author's (TheDog) processing of the NGC2237:
I really appreciate "TheDog" for making initial data of this image available for me.