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Nuevo procesado empleando para la calibración de color el proceso Photometric Color Calibration de PixInsight
Para mi gusto mejor el color de esta versión :)
Omega Centauri ( NGC 5139 ) - Star Chart - by Mike O'Day ( 500px.com/MikeODay )
This image is an attempt to look deeply into the mighty Omega Centauri star cluster and, by using HDR techniques, record as many of its faint members as possible whilst capturing and bringing out the colours of the stars, including in the core.
Image details:
Resolution ........ 0.587 arcsec/px
Rotation .......... -0.000 deg
Focal ............. 1374.59 mm
Pixel size ........ 3.91 um
Field of view ..... 58' 16.8" x 38' 34.0"
Image center ...... RA: 13 26 45.383 Dec: -47 28 28.75
Telescope: Orion Optics CT12 Newtonian ( mirror 300mm, fl 1200mm, f4 ).
Corrector: ASA 2" Coma Corrector Quattro 1.175x.
Effective Focal Length / Aperture : 1470mm f4.7
Mount: Skywatcher EQ8
Guiding: TSOAG9 Off-Axis-Guider, Starlight Xpress Lodestar X2, PHD2
Camera:
Nikon D5300 (unmodified) (sensor 23.5 x 15.6mm, 6016x4016 3.9um pixels)
Location:
Blue Mountains, Australia
Moderate light pollution ( pale green zone on darksitefinder.com map )
Capture ( 13 July 2018 ):
8 sets of sub-images with exposure duration for each set doubling ( 2s to 240s ) all at ISO 250.
Processing:
Calibration: master bias, master flat and master dark
Integration in8 sets
HDR combination
Pixinsight July 2018
Links:
500px.com/MikeODay
photo.net/photos/MikeODay
distance 29000 ly
Equipment:
10" /f4 TS ONTC Newton
ASI1600mmc v2
ZWO EFW 8x
Guiding TS9 OAG Lodestar
Losmandy G11
2020
150x20seg iso 1600
canon t2i mod + canon 200mm f2,8L II at f2,8
skywatcher star adventurer
pixinsight + phothoshop
Not common nebulae and very faint, Sh2 232 is the biggest one at the center top the image.
Also on the picture Sh2-235 (the blue one) and Sh2-231.
After to see how it looks like on this orientation, I would like to named this group as Halloween Pumpkin (I hope you could see it!!)
In total 16 hours of integration time with very carefully process.
Technical card
Imaging telescope or lens:Teleskop Service TS Photoline 107mm f/6.5 Super-Apo
Imaging camera:ZWO ASI1600MM-Cool
Mount:Astro-Physics Mach-1 GTO CP4
Guiding telescope or lens:Celestron OAG Deluxe
Guiding camera:QHYCCD QHY5III174
Focal reducer:Riccardi Reducer/Flattener 0.75x
Software:Main Sequence Software Seqence Generator Pro, Astro-Physics AAPC, Pleiades Astrophoto PixInsight
Filters:Astrodon HA 36mm - 5nm, Astrodon S-II 36mm - 5nm
Accessories:ZWO EFW, MoonLite NiteCrawler WR30
Resolution: 2314x1747
Dates:Jan. 27, 2019, Feb. 26, 2019
Frames:
Astrodon HA 36mm - 5nm: 78x600" (gain: 200.00) -20C bin 1x1
Astrodon S-II 36mm - 5nm: 19x600" (gain: 200.00) -20C bin 1x1
Integration: 16.2 hours
Avg. Moon age: 21.94 days
Avg. Moon phase: 52.16%
Astrometry.net job: 2590518
RA center: 85.322 degrees
DEC center: 36.164 degrees
Pixel scale: 2.935 arcsec/pixel
Orientation: 270.001 degrees
Field radius: 1.182 degrees
Locations: AAS Montsec, Àger, Lleida, Spain
Data source: Own remote observatory
Remote source: Non-commercial independent facility
TS-Optics Photoline 140mm
Touptek ToupTek 571c
Antlia Tri Band RGB Pro 2"
iOptron CEM70G
50 shots 300 sec each
Elaboration with Pixinsight
The M81 and M82 galaxies are a pair of galaxies located in the constellation Ursa Major.
M81 (also called the Bode's Galaxy) is a spiral galaxy that lies approximately 11.8 million light years away from us, its size is approximately 45000 light years.
Its neighbor, M82 (The Cigar Galaxy) is an irregular galaxy at roughly the same distance away from Earth, this Galaxy measures about 18500 light years.
It took me 5 nights to take this picture. 3 nights with the L-PRO Filter & 2 with the L-Extreme filter. (to get the Hydrogen Alpha / Red)
As it was the last possible target for me before the Galaxy Season, I decided to increase the exposure time and tried to get some Integrated Flux Nebula (IFN) but it was too faint and the light Pollution won the battle.
I'll try to get longer exposures next year (10min or maybe 15 min) as a last try to get this damn IFN.
So, as the IFN was not for this year, it was time to drizzle and check the result. It took me a few attempts to get this result, but in the end, I'm very pleased with the result as the galaxies take up a little more space into the frame. :)
(The stacking Process freezed my computer for almost 5 hours, but it was worth it)
(I put the originally non drizzled picture at the end of the Slide Show)
Clear Skies to you all !
L-PRO :
Lights : 316 x 300 sec (26h20)
Darks : 60 ~ Offset : 100 ~ Flats : 100
L-Extreme :
Lights : 98 x 600 sec (16h20)
Darks : 60 ~ Offset : 100 ~ Flats : 100
Setup :
Camera : ZWO ASI 2600 MC
Main Scope : Skywatcher Esprit 100 ED
Guide Camera : ZWO ASI 120MM Mini
Guide Scope : ZWO Mini Guide Scope
Mount : Skywatcher EQ6-R
Filters : Optolong L-Extreme, Optolong L-PRO
Others : ZWO ASIAIR PRO, ZWO EAF
Stacking / Processing with PixInsight / Photoshop CC
Constelación en la que se encuentra: Auriga
Sh2-224 es una muy tenue nebulosa, remanente de la explosión de una estrella como supernova. Formada por filamentos suaves y, al parecer, en interacción con ondas del medio interestelar que le dan la forma de arco.
Distancia: 14.700 años luz
Datos de la imagen:
Exposure: 11 hr 6 min (222 x 3 min)
Telescope: Celestron C925 EdgeHD - Hyperstar
Camera: ZWO ASI2600MC Pro
Focal ratio: f2.3
Capturing software: NINA
Filter: IDAS NBZ
Mount: iOptron CEM60
Guiding: ASI462MC with PHD2 and Stellarvue F60M3
Dithering: Yes
Calibration: 50 darks, 50 flat darks, 50 flats
Processing: PixInsight
Date: 09-ene-2024, 10-ene-2024
Location: Bogotá, Colombia
Set-up:
SW 80ED apo
HEQ5
ASI 1600MM-C
Traitement:
Siril
Pixinsight
Photoshop
Exifs:
Ha: 30*600s
SII: 43*600s
OIII: 48*600s
Tot: env. 20h
M83 , The Southern Pinwheel Galaxy , After the Sculptor (NGC253) Galaxy this is arguably the best known galaxy of the Southern Hemisphere.
It lies in the Constellation Hydra , at distance of approximately 15million Light Years away.
The galaxy itself has a diameter of approximately 100,000 light years across.
with a visual magnitude of just less than Mag 7, so is visible in binoculars from a fairly decent dark site.
Shot from Newport area Sydney Australia :
Exposure Time: 10mins per exposure/shot equalling:
5hrs of Luminous channel
2hrs each of RGB channels = 6hrs exposure
Total image exposure of 11hrs data.
Equipment used:
Telescope: William Optics 110Triplet
Mount : Paramount MYT
Camera: Atik One+ OAG
Filters: Astronomik
Software (Capture): The SkyX
Processing : Pixinsight.
Other Equipment used:
Optec Focuser/Rotator
Annotated using PixInsight ImageSolver and Annotation Tools.
Love the fact it automatically solves the image and annotates the image automatically in Pixinsight. I now know I captured 10 galaxies!
Please refer to my previous posted image of M13 for image capture details.
Everyone's favorite reflection nebula
Gear used...
Askar PHQ65 with Reducer
ZWO ASI294MC Pro
iOptron CEM26
ZWO ASI120MM Mini
ZWO 30mm guide scope
50 / 300 second exposures
10 Dark
Processed with Pixinsight and Lightroom Classic
Acquired at Hakos, Namibia with a William Optics GTF 81 telescope and a Canon Ra camera, mounted on an ASI AM5 mount. A total of about 300minutes exposure. Processing in Pixinsight.
Telescopio: Officina Stellare APO 105 mm f 6.2
Montatura: iOptron CEM60
CCD: QHY10 CCD
Guida: Tecnosky OAG D-King
CCD guida: Starlight Xpress Lodestar X2
Software: Stark Labs Nebulosity 4.2, EZCAP 3.3.5, PHD Guiding 2.6.2, Pleiades Astrophoto PixInsight 1.8, Zoner Photo Studio X v.19
Filtro: IDAS LPS D1
Spianatore variabile Tecnosky
IC 417, The Spider Nebula, is an emission nebula in the constellation Auriga. The small nebula in the lower left of this image is NGC 1931, also known as The Fly.
Details:
26 x 300s, ISO 800
50 darks, 100 flats, 350 bias
Gear: Canon 450D, Orion 8" f/3.9 Astrograph, Baader MPCC, Hutech LPS D1
Processed in Pixinsight
The Eastern Veil Nebula ngc6992
Equipment Used;
QHY9S CCD
CGX mount
Baader filters
Lacerta 200/800 Newtonian @f4
Capture details;
36 x 600 ha
18 x 600 oiii
30 x darks
100 x bias (super bias in pixinsight)
Software used;
SGP, PHD2, DSS, Photoshop & Pixinsight
This is the faint emission nebula designated as IC 1396 in the constellation Cepheus. This region is energized by the bright, bluish central multiple star HD 206267. You can see the Elephant’s Trunk Nebula, IC 1396A, on the lower edge of this image. From NASA APOD, “Stars could still be forming inside the dark shapes by gravitational collapse. But as the denser clouds are eroded away by powerful stellar winds and radiation, any forming stars will ultimately be cutoff from the reservoir of star stuff.”
Tech Specs: William Optics REDCAT 51 Telescope, ZWO ASI071MC camera running at 0F and Optolong L-eXtreme 2” Filter, 5 Hours and 35 Minutes using 5-minute subs, Sky-Watcher EQ6R-Pro mount, ZWO EAF (ProAstroGear Black-CAT) and ASIAir Pro, guided using a ZWO 30mm f/4 mini guide scope and ZWO 120 mini, processed in PixInsight. Image Date: August 3, 2025. Location: The Dark Side Observatory (W59), Weatherly, PA, USA (Bortle Class 4).
IC 405 is an emission and reflection nebula in the constellation Auriga, surrounding the bluish star AE Aurigae. What impresses me about this nebula is the whispy details. Zoom in and see all the smoke like trails.
Total of 98 photos, 4 hours 22 minutes of data. Blend of 2 and 4 minutes exposures. Taken with a ZWO ASI1600mmCool Camera, LRGB, HA,Oiii,Sii Photos taken January 2019.
M16
Planewave 17” CDK
Camera: FLI ML16803
Filter: Chroma R,G,B,Ha,OIII,SII
Focuser: IRF90
Focal Length: 2939mm
Focal Ratio: f/6.8
Mount: 10 Micron GM3000
Location: Deep Sky West, Chile
40h of data, combination in PixInsight done:
R:12 x 600sec
G:12 x 600sec
B: 12 x 600sec
Ha: 31 x 1800sec
OIII: 23 x 1800sec
SII: 22 x 1800sec
Reprocessed data with better PixInsight scripts, revealing nicer colors of this peculiar object.
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.
Image Details:
- Imaging Scope: William Optics 61mm Zenithstar II Doublet
- Imaging Camera: ZWO ASI183MC Color with ZWO Duo Band filter
- Guiding Scope: William Optics 66mm Petzval
- Guiding Camera: Orion Starshoot Auutoguider
- Acquisition Software: Sharpcap
- Guiding Software: PHD2
- Capture Software: SharpCap Pro (LiveStack mode with dithering)
- Light Frames: 20*7 mins @ 100 Gain, Temp -20C
- Dark Frames: 20*7 mins
- Stacked in Deep Sky Stacker
- Processed in PixInsight, Adobe Lightroom, Photmatix Pro HDR and Topaz Denoise AI
this is a 17x30sec stack iso2000 with the new sony 85mm f1.8 at f2.8 processed and stacked in pixinsight.
Single 75-second exposure
9.25-inch SCT with Hyperstar
Modified Canon T5i
Celestron AVX Equatorial Mount
ISO 800
Processed in PixInsight and Lightroom
The Double Cluster in Perseus is a set of two open star clusters, h Persei and chi Persei. They lie close to Cassiopeia, which is easily recognizable by its distinctive M or W shape. Once you find Cassiopeia, scan between it and Perseus with your naked eyes or binoculars and you'll notice a glowing blob of light which is these groups of stars.
These clusters are approximately 7,500 light-years away. Each cluster contains several hundred stars, including young, hot supergiants that are thousands of times more bright than our Sun.
The Double Cluster is resides within the Perseus arm of the Milky Way galaxy, while our solar system is located in the Orion arm. Observing the Double Cluster means looking through our local spiral arm and into the next arm outward from the galactic center, which is just super cool!
Equipment:
SkyWatcher EQ6-R
Nikkor 500mm f/4 P AI-S at f/5.6
Sony a7rIII (unmodified)
ZWO 30mm Guide Scope
GPCAM2 Mono Camera
Acquisition:
Taos, NM: my front yard - Bortle 3
85 x 75-second exposures for 1 hour, 46 min, and 14 sec exposure time.
5 dark frames
15 flats frames
15 bias frames
Guided
Software:
SharpCap
PHD2
DeepSkyStacker
PixInsight
Photoshop
Lightroom
My a7rIII and adapted Canon FD 300mm f/4 L lens were mounted to my SkyWatcher EQ6-R mount using a vixen rail. The guidescope/camera were fixed to the front of the rail. I used SharpCap to achieve "excellent" polar alignment. I shot ISO 800 at f/5.6. I took 151" exposures using PHD2 with my guidescope to keep tracking accurately. I brought the lights/darks/flats/bias frames into PixInsight for stacking and aligning and then used: STF, Cropping, Dynamic Background Extraction, BlurXTerminator, plate solving, color correction, NoiseXTerminator, and then the galaxy was separated from the stars using StarXterminator, and both files processed and stretched separately and then recombined using PixelMath. That file was brought into Lightroom for Metadata and EXIF tags, light post-processing, and cropping. I used Photoshop to sharpen the final image.
The Andromeda Galaxy M31. At 2.5 million light years it is the most distant object visible to the naked eye. I took this from Kananaskis back in late July and was able to process it using minimal data. Bear spray nearby always. 📷🔭🌌
Camera: ASi071MC-Pro (Nikon D5100, D7000, Sony IMX071 sensor)
Telescope: Williams Optics Z61, (FL360mm)
Aperture: f5.9
Mount: iOptron SkyGuiderPro
Stack: 15x60sec
Gain: 94 Offset: 50
Camera Temp: -15°C
OAT: 10°C
Darks: 8
Processing: PixInsight, LR .
Messier 8 - Lagoon Nebula
TS 115/800
ZWO ASI 1600 Mono Cooled
LRGB (180-60-60-60)
Subs: 3 Minutes
PixInsight + PS6
Taken with iTelescope.net(T14, Mayhill, New Mexico: Takahashi FSQ-ED 106mm, SBIG STL-11000M)
80 minutes of data: 3 red, 3 green, 3 blue, 7 luminance each of 5 minutes
Processing with FixFits, PixInsight and Lightroom
4:20 Hours LRGB
For processing info read my blog: www.astrotanja.com/gabrielamistralnebula/
NGC 3324 is a star forming region at the northwest corner of the Carina Nebula. It is called the Gabriela Mistral nebula, because of the resemblance with the Nobel Prize winning Chilean poet. It’s shown in the center of this image, with Eta Carina Nebula to the left and NGC 3293 upper right.
The Heart Nebula (IC1805) and the Soul Nebula (IC1848) as viewed from my backyard (Bortle 5-6). Using a lightweight tracking mount and scope package this was captured using a filter that only lets in a few select wavelengths of light onto a colour camera sensor. In the top right of this image is the Double Cluster of stars in Perseus.
Camera: ASI2600MC-Pro
Telescope: Rokinon 135mm f/2
Aperture: f2.8
Mount: SkyGuiderPro
Filter: Optolong L-eNhance
Frames: 72X180sec
Gain: 100 Offset: 10
OAT: 8°C
Camera Temp: -15°C
Guiding: ASI290MC
Darks: 50 frames
Flats: 50 frames
Post Processing: Pixinsight, PS, LR
A barred spiral galaxy with a secondary ring near the core found in the constellation Horologium.
Planewave CDK24
Moravian Camera
LRGBHa
Total Integration = 20.5h
Pixinsight -
WBPP
NXT with Lum Mask
BXT
RBG Combination
PCC
NBRGBCombination (Ha)
LRGBComb for Luminance
Photoshop -
Crop
Saturation
Dodge/Sponge
SmartSharpen
Minimum
Levels/Curves
Various processing issues in the first version of this image, which have been for the most part resolved. I used the same colour combination as before, but this time used the Ha frame as a luminance layer to reduce the stars and boost saturation without chrominance noise. The result is much more colour, better stars and no halos.
8 hours of exposure with an Altair Astro 6" RC, Atiik 314l+, Astrodon Ha & OIII filters. Processed in Pixinsight and CS5.
SNR G206.9+23
Optics
Skyrover 130SA 130mm f/5 Refractor
Camera
ZWO ASI6200MM Pro
Filters
Blue: Chroma
Green: Chroma
Luminance: Chroma
Red: Chroma
Mount
SkyWatcher AZ-EQ6 GT
Observatory
Daocheng Glacier Observatory
www.insightobservatory.com/p/home-page.html
Blue 34x300 sec
Green 32x300 sec
Ha 38x900 sec
Lum 57x 300 sec
OIII 64x900 sec
Red 33x300 sec
SII 64x900 sec
Integration in PixInsight, BlurXTerminator used.
Messier 109 is a barred spiral galaxy located approximately 84 million light years away in the constellation Ursa Major.
Details:
L: 18 x 480s, Bin 1x1
R: 10 x 240s, Bin 2x2
G: 4 x 240s, Bin 2x2
B: 10 x 240s, Bin 2x2
Gear: Atik 428EX, Astronomik LRGB, Orion 8" f/3.9 Newtonian
SW Esprit 80/400, Player One Poseidon-C, Player One Anti-Halo PRO Dual-Band Ha+OIII (40x180") & UV/IR Cut (360x60") pour 8h au total
Pixinsight + Affinity Photo 2
The Coma Cluster (Abell 1656) is a large cluster of galaxies that contains over 1,000 identified galaxies.
The cluster's mean distance from Earth is 99 Mpc (321 million light years).
Dark Matter theory began by looking here....
I annotated 196 on this picture, please see revision B for annotated version.
I love to see the vastness of space when I see things like this.
Technical card
Imaging telescope or lens:Altair Astro RC250-TT 10" RC Truss Tube
Imaging camera:ZWO ASI1600MM-Cool
Mount:Skywatcher AZ EQ-6 GT
Guiding telescope or lens:Teleskop Service TSOAG9 Off-Axis Guider
Guiding camera:QHYCCD QHY5III174
Focal reducer:Astro-Physics CCDT67 - 0.67x Reducer
Software:Main Sequence Software Seqence Generator Pro, Pleiades Astrophoto PixInsight
Filters:Optolong Blue 36mm, Optolong Green 36mm, Optolong Red 36mm, Optolong CLS - CCD (V4) 36mm
Accessories:MoonLite CSL 2.5" Focuser with High Res Stepper Motor, ZWO EFW
Resolution: 4148x3344
Dates: March 26, 2018
Frames:
Optolong Blue 36mm: 20x90" (gain: 75.00) -20C bin 1x1
Optolong CLS - CCD (V4) 36mm: 20x300" (gain: 75.00) -20C bin 1x1
Optolong Green 36mm: 20x90" (gain: 75.00) -20C bin 1x1
Optolong Red 36mm: 20x90" (gain: 75.00) -20C bin 1x1
Integration: 3.2 hours
Avg. Moon age: 9.38 days
Avg. Moon phase: 70.60%
Astrometry.net job: 2065222
RA center: 195.093 degrees
DEC center: 27.936 degrees
Pixel scale: 0.559 arcsec/pixel
Orientation: 270.978 degrees
Field radius: 0.414 degrees
Locations: Berga Resort, Berga, Barcelona, Spain
Seestar S50, altaz mode, mosaic mode, LP filter, 556x10 secondi di posa. Elaborazione con PixInsight e Photoshop.
Messier 33
William Optics 80 ED II
ZWO ASI 1600 MC
Lum: 200 Minutes
R: 45 Minutes
G: 35 Minutes
B: 35 Minutes
Processing: PixInsight + PS6
NGC2736 LRGBHaOIII
Planewave 17” CDK
Camera: FLI ML16803
Filter: Chroma L,R,G,B
Focuser: IRF90
Focal Length: 2939mm
Focal Ratio: f/6.8
Mount: 10 Micron GM3000
Location: Deep Sky West, Chile
36h of LRGBHaOIII data, combination in PixInsight done:
L: 30 x 300sec
R: 25 x 300sec
G: 30 x 300sec
B: 24 x 300sec
Ha: 32 x 1800sec
OIII: 22x 1800sec
IC1396 The Elephant Trunk Nebula
This is a reprocess of last years capture. A friend asked for an acrylic print 1200mm x 800mm, so I used what have learned in post processing since last year to improve the image for the 100MP size needed for print.
The Elephant’s Trunk Nebula is a dense region of dust and gas found within the considerably larger star forming region IC 1396 in Cepheus constellation. Designated IC 1396A, the elongated globule of dust and gas was named the Elephant’s Trunk because it resembles an elephant’s head and trunk at visible wavelengths, appearing as a dark patch with a bright winding rim. It is located at a distance of 2,400 light years from Earth.
Taken on 30,31 May, 1,5,6,12,13,14 June 2021
Lunar 78%, 68%, 56%, 18%, 12%, 6%, 12%,18%
Sky Quality 19.67 Magnitude Class 5 Bortle
Astromiks 50mm SHO 6nm Filters
Stacked 13.5hrs out of 16.5hrs for the best quality, 600 minute subs equally of Sii, Ha, and Oiii.
30 x Darks, Flats and Bias
ZWO ASI6200MM Pro
ZWO 7x2" EFW
ZWO EAF
Williams Optics GT81 IV
WO 6A III Field Flattener 0.8
HEQ5 Pro Rowan
ASIAIR Pro
Astro Pixel Processor
Pixinsight
Photoshop 2022
Topaz DeNoise
Open cluster in the constellation Carina. It contains several large blue supergiants and one large pulsating red supergiant.
Planewave CDK24
Moravian
El Sauce, Chile
Pixinsight:
RGBHO - WBPP, BXT
RGB - NBRGB, LComb - H (starless), Rescreen Stars
PS - Curves, Selective Color, ColorEfex, Sharpen, Curves
Equipment:
10" /f4 TS ONTC Newton
ZWO ASI1600mmc v2
ZWO EFW 8x31mm
Astrodon LRGB Filter
Astronomik HSO
Losmandy G11
Guiding TS9 OAG Lodestar
total exposure time: 12,5 hours
15x180s red
18x180s green
15x180s blue
120x180s h-alpha
40x180s OIII
43x180s SII
Processing: Pixinsight/Affinity Photo
Image acquired through SPA-1 from Telescope.Live using Ha, Oiii, and Sii filters. Processed with PixInsight using Hubble palette. This is my first foray into processing monochrome camera images.
Samyang 135mm F2 at F2.8
ZWO 2600 MC Pro camera
53x3 minute frames
Pixinsight/Photoshop/ Topaz
Leyburn, QLD
Here is an image of the open star cluster NGC 7380, also known as the Wizard Nebula. NGC 7380 is located in the constellation Cepheus about 7,000 light-years from Earth within the Milky Way Galaxy. The star cluster is embedded in a nebula, which spans some 110 light-years. The stars of NGC 7380 have emerged from this star-forming region in the last 5 million years or so, making it a relatively young cluster.
Tech Specs: William Optics REDCAT 51 Telescope, ZWO ASI071MC camera running at 0F and Optolong L-eXtreme 2” Filter, 3 Hours and 5 Minutes using 5-minute subs, Sky-Watcher EQ6R-Pro mount, ZWO EAF (ProAstroGear Black-CAT) and ASIAir Pro, guided using a ZWO 30mm f/4 mini guide scope and ZWO 120 mini, processed in PixInsight. Image Date: August 30, 2025. Location: The Dark Side Observatory (W59), Weatherly, PA, USA (Bortle Class 4).
NGC6822 / Barnard's Galaxy
Planewave 17” CDK
Camera: FLI ML16803
Filter: Chroma L,R,G,B,Ha
Focuser: IRF90
Focal Length: 2939mm
Focal Ratio: f/6.8
Mount: 10 Micron GM3000
Location: Deep Sky West, Chile
20,9h of data, combination in PixInsight done:
L: 26 x 1200sec
R: 24 x 300sec + 2 x 600sec
G: 23 x 300sec + 6 x 600sec
B: 25 x 300sec
Ha: 10 x 1800sec
SHO (Hubble Palette) Processed in PixInsight / PS CC
SII - Red Channel
Ha - Green Channel
O3 - Blue Channel
Tech details:
SII - (Sulfur) 5nm
300s x 2 subs
360s x 36 subs
Ha - (Hydrogen Alpha) 5nm
300s x 83 subs
360s x 12 subs
O3 - (Oxygen III) 3nm
360s x 44 subs
300s x 8 subs
240s x 8 subs
Equipment:
Mount - Losmandy G11
Scope - ES 127mm CF w/ .7x FF/FR
Camera - ZWO 1600MMC
Visionking 90mm
CGEM
Canon T6
19x300 seg + tomas de calibración
Pixinsight, Ps Cs6 y Lr
Chalzaltzingo, Morelos, México.
Hi Folks,
A new imaging project has just been published on my website!
NGC 7635, known as "The Bubble Nebula," Sharpless 162 and Caldwell 11 - is a rich HII region located between 7,100 and 11,000 light-years away in the constellation of Cassiopea.
The “bubble” itself was created by stellar winds from a massive hot blue Wolf-Rayet star, AO 20575, that shed its material about 300,000 years ago to form the bubble. This star is 44 times larger than our sun.
Also seen in this image is the large open cluster Messier 52.
This image is interesting because I am not sure I love the final result! The image is very saturated and contrasty - more than I usually like. However, when I attempted to reduce the constant and saturation, I found I liked those versions even less!
So here is it! It will be up to you to decide if you like this one!
This image results from 8.25 hours of narrowband data and is rendered in the SHO Hubble Palette.
The data was collected over two nights ending on October 22nd.
This image was taken on my William Optics 132mm FLT APO telescope platform, which uses a ZWO ASI1600MM-Pro camera, and is supported by an IOptron CEM60 Mount.
This data was collected at the same time as the data for my IC1396A - The Elephant's Trunk - project. And just like for that project, my original plan was to collect at least 15 hours of data for the project. That did not happen.
This is the usual point where I usually start whining about our weather and how clouds had shut me down.
That's not what happened this time - I was taken down by a nasty virus that gave me the worst cold ever.
We had two wonderfully clear nights that I would have loved to shoot. But by then, I was a drooling puddle of whimpering snot who no longer cared about clear night or astrophotography!
The image was processed by using a Synthetic Computed Luminance image and extensive use of starless processing workflows.
The full story behind this image, along with a detailed processing walkthrough, blink analysis video, and a processing strategy video, can be found at:
cosgrovescosmos.com/projects/ngc7635-m35
Thanks for looking!
Pat