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NGC 7635, also known as the Bubble Nebula, Sharpless 162, or Caldwell 11, is an 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. (Celestron EdgeHD800, ZWO ASI2600MM, ASIAIR, EAF, EFW, Skywatcher HEQ5, Antlia SHO 3nm, Pixinsight, Photoshop).
I recently re-processed my Andromeda data set in pixinsight
The great Andromeda Galaxy, our nearest galactic neighbor at 2.5million light years away. Like the Milky Way, Andromeda is a Spiral Galaxy. The galaxy is actually visible to the naked eye but looks like a small fuzzy patch in the sky. In the next 4-5 billion years Andromeda and the Milky Way are set to collide and will form a large elliptical galaxy.
Shot on a ZWO ASI 2600MC PRO
Telescope: TS Optics CF APO 90mm F6 Refractor
90x300" exposures - 7.5hrs total integration time
4 hour image stack. Modified Canon 6D and Redcat on IEQ 30 mount. Imaged from a site near Tierra Amarilla, Chile, elevation 5000 feet, July 2022.Image stack processed in Pixinsight
ASI 294 MC PRO.
72 ED Skywatcher con reductor/aplanador 0.85.
Star Adventurer 2i.
Guiado Asi 120mm Mini.
Ganancia 123/ 30 offset/ -10ºc
88x120s
L-Pro
Bortle 8.
PixInsight.
The Soul Nebula in a modified Hubble Palette aka the "JWST" Palette.
98, 10-minute, 100-gain, Siii
68, 10-minute, 100-gain, Ha
96, 10-minute, 100-gain, Oii
Narrow-Band data only.
ASI2600mm Pro
ZWO 7nm filters
Sky-Watcher Esprit 100ED
550mm focal length, F5.5
Sky-Watcher EQ6r Pro
ASI174 guide cam
ZWO OAG
Guided, Dithered every frame, BIN2, drizzled 2x, Pixinsight, Photoshop.
Location Backyard: Bortle-6
11/15/22, 11/16/22, 11/17/22, 11/19/22, 11/20/22, 11/21/22,
11/ 22/22
Messier 31 the Andromeda galaxy HaLRGB
Thought I’d give this one another whirl today, happy Friday. :)
Equipment used;
CGX mount
QHY9s CCD
AA 70 EDQ-R telescope
Baader filters
Capture details;
24 x 300 red
21 x 300 green
26 x 300 blue
48 x 300 ha
36 x 300 lum
31 x darks
100 bias (super bias pixinsight)
Software used;
SGP, phd2, pixinsight & Photoshop
Imaging telescope or lens: RCOS 14.5"
Imaging camera: SBIG STX KAF-16803
Mount: Paramount-ME
Software: Pixinsight 1.8
Filters: Astrodon Red, Astrodon Green, Astrodon Blue, Astrodon Luminance
Resolution: 3484x3422
Dates: March 13, 2017, April 24, 2017, May 20, 2017
Frames:
Astrodon Blue: 16x1200" bin 1x1
Astrodon Green: 12x1200" bin 1x1
Astrodon Luminance: 19x1200" bin 1x1
Astrodon Red: 16x1200"
Integration: 21.0 hours
Locations: Deep Sky West Remote Observatory (DSW), Rowe, New Mexico, United States
Back after being under the weather and then moving house (again!)
Here we have a look at NGC 4565 a giant spiral galaxy that is more luminous than M31 yet missed was missed by Messier in his catalog.
I was pleased to see what I would consider a super example of a central bulge, probably one of the best I have worked on in this edge on view. c40mly away and 100kly wide. I was also pleased with the clear blue colour in the outer arms indicating younger stars.
Hope you enjoy.
My first multi-night image, using frames taken in May and July 2021
1 stack of 105 60s images, Canon 800D at ISO 800, Canon 400mm f5.6 lens at f6.3, iOptron Skyguider Pro tracker. 50 darks, 120 biases. Processed in PixInsight as below
* CC defect list + master dark (sigma = 8)
15*(1-(FWHM-FWHMMin)/(FWHMMax-FWHMMin))
+ 15*(1-(Eccentricity-EccentricityMin)/(EccentricityMax-EccentricityMin))
+ 20*(SNRWeight-SNRWeightMin)/(SNRWeightMax-SNRWeightMin)
+ 50
img 4002 ref
* ESD integration, range exclude
* drizzle integration, gaussian kernel
*****Linear processing
*** Initial
* Crop
* DBE tolerance 3, manually placed points outside the dust clouds
*** Color calibration
* PCC using a dust cloud as background, aimed at Triffid, background ref upper limit 0.002
* SNCR 0.8 green
*** Decon
* Using EZDecon, create the following:
* PSF - autogen
* background - autogen, then invert, range selection lower 0.03 smoothness 49, clean with clone stamp, range mask again, invert again - background_range_mask
* star mask: extract luminance, run EZSoftStretch, star mask noise treshhold 0.3 scale 9 smoothness 8 aggregate binarize. Add a couple of ellipses, 2x convolve - decon_star_mask
*** Denoise
Using jonrista.com/the-astrophotographers-guide/pixinsights/eff... as implemented by EZSuite.
* TGV edge protection 3e-5, default MMT
***** Nonlinear processing
*** Initial stretch
* MaskedStretch, default settings
* extract luminance, stretch with shadows 0.05 mids 0.4, apply as mask inverted, stretch mids to 0.3
* ACDNR chrominance only, lightness mask, stdev 4 iterations 6mids 0.2 on lightness mask
***MLT stretch
www.stelleelettroniche.it/en/2014/09/astrophoto/m42-ngc19...
**Initial (fine details)
* created a new multiscale linear transform, kept 6 layers
* diffed from original image to create a "blurred" version of original image
* extracted luminance from original, used as mask on blurred version
* used curves to pump rgb and saturation
* pixelmath sum the 3, rescaled, back to original image
**Second (nebula)
* created a new multiscale linear transform, kept 6 layers, and diff from original
* extract luminance from diff Use as mask on blurred version
* s-shaped luminance curve, gentle, big sat boost
* pixelmath sum the 3, rescaled, back to original image
*** Finishers
* Star reduce with EZscript, 8 layers of morpho
* With the previous star mask on (raw), unsharp mask with default settings)
* Dark structure enhancement
* EZDenoise, default settings TGV, no MMT
* pump up sat in reds and blues
* MMT sharpen, 6 layers biases 0.1 0.1 0.05 0.05 0.25 0.12
* downsample 3x
Here is my take on this comet taken with my Canon EOS R and Canon 300mm F2.8L IS USM
100 x 10 sec ISO 2000 f2.8
stacked in pixinsight
Ha 19 x 10 min 3 x 30 min. OIII 12 x 30 min 19 x 10 min. SII 11 x 30 mins
Optics: Takahashi Baby Q FSQ-85ED F5.3
Camera: Xpress Trius SX-694 Mono Cooled to -20C
Guiding: OAG Lodestar X2
Filter: Baader Ha
Mount: Skywatcher AZ EQ6-GT EQ & Alt-Az Mount connected to the Sky X and Eqmod via HitecAstro EQDIR adapter
Image Acquisition: Sequence Generator Pro
Stacking and Calibrating: Pixinsight
Processing: Photoshop CC
This is the Flaming Star Nebula (IC405) and the Tadpole Nebula (IC410). The Flaming Star Nebula is the coma-shaped nebula on the top, the Tadpole Nebula is the large, circular nebula near the bottom. From Wikipedia, IC405 is an emission and reflection nebula in the constellation Auriga, surrounding the bluish star AE Aurigae. It shines at magnitude +6.0. IC410 is a faint and dusty emission nebula of more than 100 light-years across approximately 12,000 light-years away from Earth in the northern constellation of Auriga. NGC 1893, an open cluster, is embedded inside IC410. High clouds filled the imaging area causing the fuzzy display.
Tech Specs: Williams Optics REDCAT51, ZWO AS2600mc-Pro running at 0C, Sky-Watcher EQ6R-Pro mount, Optolong L-eNhance filter (2”), 24 x 300 second exposures, guided using a ZWO 30mm f/4 mini guide scope and ZWO 120 Mini, controlled with a ZWO ASIAir Pro, ProAstroGear Black-CAT and ZWO EAF, stacked in DSS and processed using PixInsight. Image date: September 23, 2022. Location: The Dark Side Observatory (W59), Weatherly, PA, USA (Bortle Class 4).
One hour integration using Takahashi FSQ106 and QHY 294c. Processed in Pixinsight 1.8 and Photoshop CS6
Astro-Physics 130 GTX + QUADTCC @ F/4.5
Moravian G3 11002 + Chroma Ha 8nm + Astrodon RGB
Astro Physics 1200
6 Panels:
Ha: 11x1800s bin 1x1
RGB: 75x300s bin 1x1
Total exposure: 70h
Captured with Sequence Generator Pro
Processed with Pixinsight, Astro Pixel Processor
M42 and NGC1975 in HDR from moonless evening ... 3h51m including core shots.
ASI 296 MC Pro
William Optics GTF81 F5.9
After 5 evenings of processing maybe I was able to find the final image that satisfies me ... I am very happy. Never done an HDR, and taming Pixinsight is not easy ...
Messier 51, the Whirlpool galaxy in the northern constellation of Canes Venatici
This is an integrated image of over 23 hours of data captured on a QHY183C camera with a William Optics Zenithstar 103 telescope. All post-processing was carried out in PixInsight.
This is a faint emission nebula in the Large Magellanic Cloud. It has been debated whether this formation is from a supernova or solar winds. More recent observations of the spectrum indicate it is not a supernova remnant.
H: 9x5m / 8x10m
S: 8x5m / 8x10m
O: 8x5m / 8/10m
Total Integration = 6h
PI: BXT, SHO, PCC, HT
Lum (H): HT, NXT (Mask), CT
PS: ColorEfex, Curves, StarShrink, Smart Sharpen
Jan. and Feb. 2025: Vespera Pro: Just 2h 30min of data, integration done in PixInsight. CLS Filter used. Moon: 5% & 21%
The Milky Way rises near Mount Tamalpais in Marin County, California. Mount Tamalpais is often considered symbolic of Marin County. Much of Mount Tamalpais is protected within public lands such as Mount Tamalpais State Park, the Marin Municipal Water District watershed, and National Park Service land, such as Muir Woods. Pride of Madeira is an evergreen sub-shrub native to the island of Madeira Portugal, near Morocco. The beautiful yet tough plants are able to tolerate drought, rocky soil, & coastal conditions. The flowers are very ornamental, blooming on huge 2' long spikes. The flowers are blue with red stamens, which gives it a fuzzy blue-violet look. Pride of Madeira’s flowers produce large amounts of nectar for bees including honey bees, & butterflies. Astromodified Nikon Z7, 4x180s exposures, Skywatcher Star Adventurer Mini, PixInsight, Photoshop.
Sh2-115 from the Sharpless catalogue is a region of Emission Nebula located in the constellation Cepheus at a distance of 7500 light-years from Earth. Also Of interest in this area is the Planetary Nebula Sh2-116, close to the famous North America Nebula.
Captured recently in Narrowband and Broadband using a QHY600 60 Megapixel Full Frame Monochrome CMOS camera mounted on a Takahashi 130 FSQ, courtesy of QHYCCD.
This setup is available immediately for people wanting to subscribe to Grand Mesa Observatory's system 1.
grandmesaobservatory.com/equipment-rentals.
In this Hubble Palette version (SHO) the H-Alpha is mapped to green channel, SII is mapped to red channel and OIII is mapped to the blue channel. The raw data was preprocessed using Pixinsight, the stars were removed using a tool called Starxterminator and the stars were later replaced during Post Processing in Photoshop CC with the more naturally colored stars from the RGB data.
Captured bin 2x2 over 4 nights in October 2022 for a total acquisition time of 13.73 hours.
Captured and processed by: Terry Hancock
Location: GrandMesaObservatory.com Purdy Mesa, Colorado
Dates of Capture October 13, 15, 17, 18 2022
HA 175 min, 35 x 300 sec
OIII 220 min, 44 x 300 sec
SII 165 min, 33 x 300 sec
RED 88 min, 44 x 120 sec
GREEN 88 min, 44 x 120 sec
BLUE 88 min, 44 x 120 sec
Narrowband Filters by Chroma
Camera: QHY600 Monochrome CMOS Photographic version
Gain 26, Offset 76 in Read Mode Photographic 16 bit, bin 2x2
Calibrated with Dark, Dark/Flat Frames
Optics: Walter Holloway's Takahashi FSQ 130 APO Refractor @ F5
Mount: Paramount ME
Image Scale:2.39 arcsec/pix
Image Acquisition software Maxim DL6, Pre Processing Pixinsight and Post Processed in Photoshop CC
This starless image of The Soul Nebula is work in progress, captured recently from Grand Mesa Observatory’s System 1 using the new QHY600 60 Megapixel Full Frame Monochrome CMOS camera mounted on the Takahashi 130 FSQ that we have the honor of testing for QHYCCD.
I’m not a big fan of starless images as a finished subject however I wanted to show you this as I often make my images starless as part of my post processing routine so as to reduce the star size and create more emphasis on the deep sky object. Up until recently I was using the stand alone version of starnet but now that Pixinsight have integrated it into their own software I find it much less time consuming and easier to use. I was so impressed with the starless image result on the soul nebula that I decided to share it. This orientation reminds me of a map of Australia where I grew up.
Captured over 4 nights in October and November 2020 for a total acquisition time of 20.5 hours.
Technical Details
Captured and processed by: Terry Hancock
Location: GrandMesaObservatory.com Purdy Mesa, Colorado
Dates of Capture October 19, 21, 22, November 11th 2020
HA 560 min 56 x 600 sec
OIII 350 min 35 x 600 sec
SII 320 min 32 x 600 sec
Narrowband Filters by Chroma
Camera: QHY600 Monochrome CMOS Photographic version
Gain 60, Offset 76 in Read Mode Photographic 16 bit
Calibrated with dark, Bias and Flat Frames
Optics: Walter Holloway's Takahashi FSQ 130 APO Refractor @ F5
Image Scale: 1.19 arcsec/pix
Field of View: 3d 7' 41.0" x 2d 3' 5.3 (127.3 x 190.1 arcmin)
EQ Mount: Paramount ME
Image Acquisition software Maxim DL6 Pre Processing in Pixinsight Post Processed in Photoshop CC
The Lion Nebula Captured December and January in Narrowband using the new QHY600 60 Megapixel Full Frame Monochrome CMOS camera mounted on the Takahashi 130 FSQ that we have the honor of testing for QHYCCD.
This setup is available immediately for people wanting to subscribe to Grand Mesa Observatory's system 1.
grandmesaobservatory.com/equipment-rentals
In this Hubble Palette version (SHO) the H-Alpha is mapped to green, SII is mapped to red and OIII is mapped to the blue channel.
Captured over 5 nights in December 2020 and January 2021 for a total acquisition time of 9.5 hours.
The Lion Nebula, otherwise known as Sharpless 132 and LBN 471 is an Emission nebula in the constellation of Cepheus named after Cepheus, king of Aethiopia in Greek mythology, lying somewhere between 10 to 12,000 light years from us.
Technical Details
Captured and processed by: Terry Hancock
Location: GrandMesaObservatory.com Purdy Mesa, Colorado
Dates of Capture December 8th, 21st 2020, January 1st, 7th and 19th 2021
HA 210 min 21 x 600 sec
OIII 180 min 18 x 600 sec
SII 180 min 18 x 600 sec
Narrowband Filters by Chroma
Camera: QHY600 Monochrome CMOS Photographic version
Gain 60, Offset 76 in Read Mode Photographic 16 bit
Calibrated with Dark, Bias and Flat Frames
Optics: Walter Holloway's Takahashi FSQ 130 APO Refractor @ F5
Image Scale: 1.19 arcsec/pix
Final image cropped to 7046x4873 pixels
FOV 2d 20' 52.8" x 1d 37' 25.9"
EQ Mount: Paramount ME
Image Acquisition software Maxim DL6, Pre Processing and Starnet in Pixinsight Post Processed in Photoshop CC
Telescope: Tele Vue 76mm with 0.8X Reducer
Camera: QSI 683wsg
Mount: iOptron iEQ45 Pro
Integration 30 minutes (6 x 5 mins) each of RGB, subsequently combined to create this monochrome rendering.
Processing: PixInsight v1.8, Adobe Lightroom
Imaging telescope or lens: RCOS 14.5"
Imaging camera: SBIG STX KAF-16803
Mount: Paramount-ME
Guiding telescope or lens: RCOS 14.5"
Software: Pixinsight 1.8
Filters: Ha 5nm, Astrodon Luminance, Astrodon Blue, Astrodon Red, Astrodon Green
Resolution: 3605x3417
Dates: Feb. 27, 2017, March 2, 2017, March 7, 2017
Frames:
Astrodon Blue: 13x1200" bin 1x1
Astrodon Green: 13x1200" bin 1x1
Astrodon Luminance: 20x1200" bin 1x1
Astrodon Luminance: 5x600" bin 1x1
Astrodon Red: 12x1200" bin 1x1
Ha 5nm: 12x1800" bin 1x1
Integration: 26.2 hours
I recently published a well-received version of M81, it seemed rude not to process its compatriot.
In order to realise all the details you could argue the image is actually a L, L, L, L, L, L, L, L, L, L, Ha, Ha, Ha, Ha, Ha, RGB, RGB, RGB, RGB, RGB, RGB, rather than just a HaLRGB image!
In order to realise all the details I have been persisting with my (very time-consuming approach) of building the main layers from multiple stretches of the main frames from very dark to very light, a manual HDR (but with full control) most of the work is done in PI but the layering and masking has to be done in PS for control. I am finding at the longer focal lengths this really lets me realise all details from the dark (often washed out by brightness on such targets) to the very light, I can even stretch beyond the limit to realise the fainter details.
Anyway, hope you all like - not a quick process taking about 8 hours solid to process over a few days.
As well as realising some great detail I was pleased to see the inner structures showing well including the mushroom shape to the right and the double boundary of the left side (inner ring just about visible)
This is some thing I have always wanted to take after I took it on Feb 2019 this is purely us under southern skies. So I used my 105mm Nikon lens to take a 3 shot panorama of the area over the last three night. The Points of Interest is what we see every night the Southern Cross and the Pointers not forgetting the head of the Emu between them both. The detail in the shot was an outstanding bonus but certainly no spectacular nebula in the shot its all about the stars and there is plenty of them. This was 80 shots a night for the three night getting each panel together. Each night it was a manual focus ZWOASI071MC -10 80 shots per the 3 nights
450 sec rotated 73 degrees.
Nikon 105 mm f2.8 G Lens
Skywatcher NEQ 6 Pro Hypertuned
Guided PHD2, SGP
Pixinsight, Ps Lr.
The Milky Way rises over San Francisco looking out from Mount Tamalpais in Marin County, California. Mount Tamalpais is often considered symbolic of Marin County. Much of Mount Tamalpais is protected within public lands such as Mount Tamalpais State Park, the Marin Municipal Water District watershed, and National Park Service land, such as Muir Woods. Astromodified Nikon Z7, 4x180s exposures, Skywatcher Star Adventurer Mini, PixInsight, Photoshop.
NGC 7000, The "North America" Nebula
Details
251 x 120 sec subs
56 x 300 sec subs
Total: about 13 hrs
Plus darks, flats, and dark flats calibration frames
About a third of the images were shot in Jersey City (Bortle 9 skies) at gain 200, and two thirds from Voorhees State Park (Bortle 5) and the North-South Lake campground in the Catskills. (Bortle 4) at gain 120 (unity gain).
Scope: William Optics Redcat 51
Camera: ZWO ASI294MC (OSC)
Guiding: WO UniGuide 32mm Scope and ZWO ASI120MM Mini camera
Filter: Optolong L-Extreme
Mount: Star Adventurer GTi
Controller: ASIAir Plus
Processed in Pixinsight.
Enjoy!
The Rosette Nebula is a cloud of dust containing enough gas and dust to make about 10,000 stars like our Sun. In the centre of the nebula is a cluster of hot, bright young stars. These are warming up the surrounding gas and dust, making it appear bluer. The small, bright white regions are cocoons of dust in which huge stars are currently being born. These “protostars”, each one of which will probably become a star up to ten times more massive than the Sun, are heating up the surrounding gas and dust and making it clow brighter. The smaller, redder dots on the left side and near the centre of the image also contain protostars, but these are smaller, and will go on to form stars much like our Sun. Just as the centre of the nebula contains bright young stars, in a few tens or hundreds of millions of years these stars will have died, but the protostars will have evolved into fully-fledged stars in their own right. In this way, the star formation will move outwards through the nebula. Hubble Palette of SHO data from Telescope Live.
M31, Andromeda galaxy. Second night.
Playing with iTelescope.net free features. Remote telescope helping reaching impossible objects from my latitude.
Details:
Lights: 13x150s
No darks. No flats.
Equipment:
-T68 instance on iTelescope.net
-OTA: Celestron RASA 11" 280mm
-DSS + Pixinsight + Adobe Photoshop + Topaz DeNoise AI
Annotated version:
nova.astrometry.net/user_images/6504693#annotated
Follow me on Twitter: @elbuscadorpolar / Instagram: @tupolevmgr
A total reprocess of some old data using new software and techniques.
Data acquired remotely using the Telescope Live CHI-4 telescope located at the El Sauce Observatory, Chile.
Telescope: ASA 500N Newtonian. 500mm aperture, focal length 1900mm, f/3.8
CCD Camera: Finger Lake Instruments FLI 16803. 4096 x 4096 array. 0.98 arc-seconds per pixel.
Equatorial Mount: ASA DDM85 direct drive.
Exposure:
Ha: 4 x 10m
OIII: 4 x 10m
SII: 4 x 10m
Processed with Astro Pixel Processor, PixInsight and Affinity Photo. Plugins: StarXterminator, ON1 No Noise AI.
This is night two (and that's it for well over a week) this came about by recollimating the mirrors on the mount. In short you have to line up the mirrors by following steps and "eyes" to see just where things are each adjustment is not on one screw but three bottom or main mirror and the secondary or top mirror. It better than the first shot but still could be better.
I have to remove the clips that hold the mirror and put silicone under the mirror to hold it in place gives cleaner stars. This also was stacked with the right flats the first had none as it was more a night to get focus which the Esatto did easily. In the end I let Nina look after the mount to get an idea how the stars as I never got a chance to recollimate the telescope after I put it on the mount.
So how do you like your Dragon Egg flipped
QHY 183C -10c 104 shots 5 min each over one night.
MeLE Mini PC
Pegasus Astro Pocket Mini power box
Prima Luce Essato Focus
Optolong LeNhance filter,
Skywatcher 200 F4 PREMIUM PHOTO QUATTRO REFLECTOR OTA
Skywatcher NEQ 6 Pro Hypertuned
SVbony 50MM Guide scope
QHY5L-II-M Guide camera
Guided PHD2, Nina
Pixinsight, Ps .
Had you driven through this part of the Sierra National Forest on your way to Yosemite National Park before August 2017, the sky would have been almost completely obscured by towering evergreens. That all changed during the Railroad Fire.
Although it opened up the view, the loss of forest cover is still a sobering sight. We need better forest management, but - more importantly - we need to mitigate the climate conditions that make these rampant, destructive conflagrations so devastating. Fire has always been part of the reproductive cycle of the giant trees in this part of California, but human activity has drained groundwater from the San Joaquin Valley and pushed the air to be hotter and drier. The extended droughts turn everything to tinder.
Years ago, there's no way I could have gotten this shot, but it would be better if I still couldn't. The light pollution from Fresno and points south has also increased, but thankfully not enough yet to subdue the summer Milky Way.
The constellations featured here, from right to left (west to east) are Scorpius, the southern part of Ophiuchus, Sagittarius in the center, and part of Capricornus at the left edge. The arc of Corona Australis is around the top of the burnt remains of a tree that remind me of a Scandinavian deity.
This is a single shot from a Nikon D80 -- ISO 3200, 45 s at f/4.5 at an 18 mm focal length. The camera was mounted on an omegon MiniTrack LX2. Processing in Photoshop and PixInsight. Taken just before midnight on 2021-07-01.
——— STRUMENTAZIONE ———
Obiettivo: Samyang 135mm f2
Camera: Zwo Asi 294 mc color pro
Montatura: Skywatcher AZ-EQ5
Filtro: Optolong uv-ir cut
Software d'acquisizione Sgpro
————— FOTO ————
temp -10 con dark, flat e darkflat
60s x 90scatti
—— ELABORAZIONE ——
Pixinsight
Photoshop
This is my fourth and final summer target. Luckily I was able to finish everything that I planned and started back in July. Here is my longest integration time too at 21 hours in HaRGB
Telescope: William Optics GT71
Mount: Sky Watcher HEQ5
Camera: ZWO ASI183MM Pro
Filters: Astrodon LRGB
Frames
H-alpha: 169x300" (14h)
RGB: 130x180" (6h 30')
RGB: 60x30" (30')
Total Integration: 21h
The Tarantula Nebula, also known as 30 Doradus and Caldwell 103, is a massive emission nebula with one of the most active star forming regions known within our Local Group of galaxies. This image only captures part of the entire object, with the Tarantula Nebula spanning some 600 light years in diameter and containing more than 800,000 stars and protostars. It lays outside of our Milky Way galaxy in the satellite galaxy called the Large Magellanic Cloud. At a 180 thousand light years away, its size is so massive that if it were as close as is the Great Orion Nebula is from earth, that it would brightly light up half our nights sky.
Thanks for looking, take care.
Hi res link:
live.staticflickr.com/65535/51146977281_c2ef31b7d9_o.jpg
Information about the image:
Center (RA, Dec):(84.552, -69.192)
Center (RA, hms):05h 38m 12.440s
Center (Dec, dms):-69° 11' 32.261"
Size:44.4 x 32.2 arcmin
Radius:0.457 deg
Pixel scale:0.732 arcsec/pixel
Orientation:Up is 330 degrees E of N
Instrument: Planewave CDK 12.5 | Focal Ratio: F8
Camera: STXL-11000 + AOX | Mount: AP900GTO
Camera Sensitivity: Lum, Ha, OIII: BIN 1x1, RGB: BIN 2x2
Exposure Details: Total: 62 hours | Lum: 31 x 900 sec [7.75hr], Ha: 102 x 1200 sec [34.0hr], OIII: 43 x 1200 sec [14.33hr], RGB 16 x 450sec each [6.0hrs]
Viewing Location: Central Victoria, Australia.
Observatory: ScopeDome 3m
Date: May 2020 - April 2021
Software Enhancements: CCDStack2, CCDBand-Aid, PS, Pixinsight
Author: Steven Mohr
LDN 1251 - small molecular cloud in the constellation Cepheus. In addition to the dark nebula in this picture is also seen several PGC galaxies that shine through the interstellar dust. Also in this picture I have identified five Herbig–Haro objects.
This picture was photographed during september in Petrivske village, Ukraine.
Equipment: home assembled reflector 10 in., f/3.8
Mount WhiteSwan-180 with a control system «Eqdrive Standart», camera QSI-583wsg with TS 2.5″ 0.95x Wynne corrector. Off-axis guidecamera QHY5L-II.
LRGB filter set Baader Planetarium.
L = 37 * 900 seconds, RGB = 28 * 400-600 seconds in each filter, bin.2. Total of 20 hours.
FWHM source (in the filter L) 2.15″-4.72″, Sum in L channel - 2.95"
The height above the horizon from 64 ° to 48 °, scale = 1.25"/ pixel.
Processed Pixinsight 1.8 and Photoshop CS6
reworked
Pixinsight with SPCC and BTX
The Whirlpool Galaxy is an interacting spiral galaxy in the constellation Canes Venatici
at distance of 23 Mio. Lj
LRGB
Equipment:
TS 10" f/4 ONTC Newton
1000mm f4
GPU Aplanatic Koma Korrector
Moravian CCD G2-8300FW
Astrodon LRGB Filter
Losmandy G11/LFE Photo
Guding:
Lodestar on TS Optics - ultra short 9mm Off Axis Guider
PHD2
16x900s Luminanz
5x900s RGB
total exposure time: 7h 45′
Processing: PixInsight/Affinity Photo
78 light frames, calibrated,with BIAS & DARKS, aligned and integrated with PixInsight soft. Finally LR process
Imaged using the Celestron C14 Edge HD telescope in dome 3 at Los Coloraos observatory in Gorafe, Spain.
A really popular image for astro photographers . It is bright full of interesting features making it a target for all focal lengths.
I have imaged this galaxy many times with smaller telescopes, but had the opportunity to image at 3900mm using the C14. 14 hours of data over three nights in May 2024. Really happy with the results.
A high resolution image with imaging details can be found on my Astrobin page at: astrob.in/2qskmt/0/
Thank you for looking.
Technical summary:
Captured: 3 Nights in May 2024
Location: Turismo Astronómico, Los Coloraos, Gorafe, Spain
Bortle Class: 3
Total Integration: 14 hours
Filters: Red 36 x 180s, Green 43 x 180s, Blue 37 x180s, UV/IR 246 x 120s
Pixel Scale: 0.4 arcsec/pixel
Telescope: Celestron C14 Edge HD
Image Camera: ZWO ASI6200MM Pro
Filters: Astronomik R, G, B, UV/IR
Mount: Skywatcher EQ 8
Computer: Minix NUC
Capture software: NINA, PHD2
Editing software: PixInsight, Adobe Lightroom
Captured on September 27th at Grand Mesa Observatory using QHYCCD’s latest offering the QHY410C Back Illuminated Full Frame one shot color CMOS camera that we have the honor of testing.
This is work in progress as the conditions on the night of capture were quite poor with smoke from California wild fires that have plagued us for the past 3 months.
A stream of red emission dominates this close up shot of part of Barnards Loop otherwise known as Sh2-276 , a large emission Nebula and part of the Orion Molecular Cloud Complex. The image also nicely captures areas of dark nebulosity LDN 1622 which lies at a distance of 500 light years as well as the blue reflection nebula of M78 located some 1,600 light years away, M78 hosts 17 Herbig-Haro objects (patches of nebulosity created by young stars whose jets collide with nearby dust and gas).
This new setup is available immediately for people wanting to subscribe to Grand Mesa Observatory's system 4a
Technical Info:
Total Integration time 1.83 hours
Location: GrandMesaObservatory.com Purdy Mesa, Colorado
Date of capture: September 27th 2020
Color RGGB 110 min, 55 x 120 sec
Camera: QHY410C Back Illuminated Full Frame Color CMOS
Gain 0, Offset 76
Read Mode: High Gain Mode
Calibrated with Dark, Bias and Flat Frames
Optics: Takahashi E-180 Astrograph
Image Acquisition software Maxim DL6
Pre Processed in Pixinsight
Post Processed in Photoshop
distance: ca. 2000 ly
en.wikipedia.org/wiki/Abell_31
HaLRGB
Equipment:
TS 10" f/4 ONTC Newton
1000mm f4
GPU Aplanatic Koma Korrector
Moravian CCD G2-8300FW
Astrodon LRGB Filter
Astronomik H-Alpha Filter
Losmandy G11/LFE Photo
Guding:
Lodestar on TS Optics - ultra short 9mm Off Axis Guider
PHD2
9x1800 H-Alpha
3x1200 RGB
total exposure time: 7,5 hour
Processing: PixInsight
07.Ferbruar.2015
13.March 2015
15.March 2015
22.March 2015
Taken w/ William Optics Redcat 51 (w/ QHYCCD Polemaster), Skywatcher EQM-35, Nikon D7500.
310 lights x 90 s @ ISO 800, ~45 dark, ~45 flat, ~100 bias, stacked in DSS and post-processed in Photoshop & PixInsight
RGB composition
45:45:45x180"=R:G:BX180"
T:Takahashi FSQ 106ED @f/5.0
M: Astrophysics Mach1 GTO
C: SBIG STL 11000
G: Lodestar X2
F: Baader Planetarium RGB set
Foc: PrimaLuceLab ESATTO 4"
CPU: Eagle-S Primalucelab
Sw: Sequence Generator Pro - PHD2 - Pixinsight 1.8.8-6