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NGC 2903 is a field barred spiral galaxy about 30 million light-years away in the constellation Leo. NGC 2905 is a bright star cloud within this galaxy. The small diffuse galaxy to the left is UGC 5086 at 18mag.
Object: NGC 2903
Optics: Celestron 9.25 F6.3
Mount: Sky-Watcher EQ6-R
Camera: ZWO ASI 071MC Pro @-20°C, Gain=0
Exposure: total ~2h, RGGB 30x240sec, 300 Bias, 60 Darks, 40 Flats
Date: 2019-02-24
Location: Schwaig
Capture: Sequence Generator Pro
Guiding: Off-Axis, ASI120MM, PHD2
Image Acquisition: Stephan Schurig
Image Processing: Stephan Schurig
AstroPixelProcessor 1.071: Calibration, Registration, Normalization, Integration, Remove Light Pollution, Background Calibration, Star Colors Correction, Auto Digital Development
Photoshop 20.0.4: Curves, Exposure (Offset), Nik Dfine 2 Denoise (Color Noise), Masked Nik Dfine 2 Denoise (Contrast Noise), Star Shrink, Starless Masked Smart Sharpen, Masked Color Balance, Masked Dynamic (Dynamic, Saturation)
Remarks: ASI 071MC Pro made available by Teleskop-Service, Ransburg
Orion Nebula. D5300 Nikon 500mm Catadioptric Mirror Lens. 30sec f/8 ISO 400.
Captured in Astro Photography Tool. 140 Lights, 30 Darks, 30 Flats, 30 Bias frames. LR, AstroPixelProcessor, PS. Sky-Watcher Star Tracker.
This is data from Oct 29, 2022. I created two videos to show the workflow of pre and post processing the same dataset using Sirilic/Siril and AstroPixelProcessor. The image in this shot was done through APP. Slight adjustments in Photoshop but if you look at the end of the video, the edits are pretty miniscule because I wanted to do some noise reduction (since APP doesn't have one).
Video on processing in APP: www.youtube.com/watch?v=-RMpuJ0I7wI
Video on processing in Sirilic/Siril: www.youtube.com/watch?v=rLGLcuwCBfw
Find more of my videos at: youtube.com/Naztronomy
See this on Astrobin: www.astrobin.com/21ot8k/
Equipment used:
* Astro-Tech AT60ED with the 0.8x Reducer/Flattener on Advanced VX Mount
* Mount controlled via Astroberry
* ZWO ASI533MC Pro
* Svbony 60mm guide scope with ZWO ASI120MM-Mini guide cam
* 28x300Sec
* 30 Darks
* 30 flats for each session
* 35 bias
* All frames were with Gain 101, Offset 70, at -10°C.
* Stacked in AstroPixelProcess and mostly post-processed in APP
* Photoshop: Noise and star reduction
The Wizard Nebula is an emission nebula that surrounds the open star cluster NGC 7380 in the constellation Cepheus. The nebula is known for its unique shape, resembling the appearance of a medieval sorcerer. The active star forming region lies at a distance of 7,200 light years from Earth and has an apparent magnitude of 7.2. It has a radius of 100 light years and occupies 25 arc minutes of the apparent sky. It has the designation Sh2-142 in the Sharpless catalog of H II regions.
Taken 23 June 2020 and 8,9,10 July 2020. Moon was minimal, early setting and low in the sky on these dates.
I was having trouble with movement in the optical train, now fixed with a better focuser, so framing not so good as I didn’t want to rotate the camera and filter wheel to one side. Will do next time around. Also, my focal length has walked during collimation so focus is not optimal and focal plane is tilted. Currently working on that issue to optimise the whole setup. Will invest in a Howie Glater laser collimator to help with that.
300s light frames totalling 8.6 hours SHO Narrowband, blended with a Foraxx pallet 50:50 mix using Pixelmath in Pixinsight.
Astromiks 36mm SHO 6nm Filters
30 x Darks, Flats (for each filter) and Dark Flats
ZWO ASI294MM Pro 120 gain, -10C
ZWO 7x36mm EFW
ZWO EAF
Stellalyra 8” Ritchey-Chrétien Carbon
HEQ6
ASIAIR Plus
Astro Pixel Processor
Pixinsight
Photoshop 2022
29-04-2017 - 04:00 aprox. GMT -3
Star Adventurer
Canon 6D - Canon 50mm f/1.4 USM @ f/4
ISO 1600 - 5150K - 120s - DF 50mm
46 lights, 17 darks, 29 flats y 300 bias
Procesado: AstroPixelProcessor y Lightroom
A couple of star-forming gas clouds in our Galaxy, IC 405 aka The Flaming Star Nebula on the left and IC 417 on the right. The greenish fuzz between them is Comet C/2020 M3 (ATLAS) photobombing the scene. The comet is elongated because it moved relative to the stars during the hour or so of total exposure time.
Tech: Nikon D800 (converted to record the light of hydrogen), 200-500mm f/5.6 @500mm, 53 frames each 90 sec., f/8, ISO 5000, iOptron CEM25P mount, stacked in Astro Pixel Processor and post-processed in Lightroom.
After many months of struggling to get my equipment to work remotely, I think the system is now working reliably, unfortunately, the Moon was hanging nearby for my test subject on 26/02.
I'm not 100% with this image of M42 yet, still getting used to Astropixel Processor and post-production with my own images but I thought I would post anyway.
Images:
50 x 12 sec Red
50 x 12 sec Green
50 x 12 sec Blue
Total integration time: 30 minutes
Calibration files
100 darks
100 bias
100 flats
Stacked in AstroPixelProcessor
Processing in AstroPixelProcessor
Equipment:
Telescope: Skywatcher 120ED Pro
Focal reducer: Skywatcher 0.85x reducer/field flattener
Mount: Skywatcher HEQ5 Pro
Camera: Atik 314L+ Mono cooled to Temp degrees
Focuser: PrimaLuceLab ESATTO2
Guidescope: PrimaLuceLab 60mm
Guide camera: ZWO 120mm mono
Controller: PrimaLuceLab Eagle 2
Sequencing software: N.I.N.A.
Several LDNs and LBNs (LBN 133 & 134, LDN 768, 769, 772, 773, 774, 775, 779) in the constellation Vulpecula form the dark nebula structures that stand out against a carpet of stars and resemble the shape of the "Monster of Loch Ness." Additionally, there are two beautiful reflection nebulae in the area. This object was the perfect target for a moonless, short summer night, combined with the RASA 8 telescope at f/2.
During the editing process, I tried to bring out the delicate structures in the dark nebulae, avoiding creating a nearly completely black area. Moreover, I aimed to preserve and enhance the color variety not only among the larger stars but also among the countless smaller ones to achieve greater depth. I hope you like it!
Celestron RASA 8
Celestron Motorfocuser
EQ6-R Pro
ZWO ASI 2600 MC Pro (Gain 100, Offset 18, -10°)
RGB: 190 x 60" (3h 10')
Darks, Flats, Darkflats, Dithering
N.I.N.A., Guiding: ZWO ASI 120MM & PHD2
Astropixelprocessor, Photoshop, Pixinsight
The red emission Nebula called Cygnus Wall is the part of the North America Nebula (NGC7000) that resembles Mexico/Central America. The region is characterized by dark nebulas and dust lanes that give the scenery a dramatic attitude.
The image was made with a standard unmodified Pentax K3ii on a TS 130/910 refractor with 0.79x reducer. The blue/ red colors were generated by separating magenta and red in postprocessing and shifting the magenta more and more to light blue. The now blue colors should represent OIII emission regions while the red colors come from Hydrogen alpha emissions.
39 x 300 s exposures @ ISO 200.
Astropixelprocessor and Photoshop CC2018
The Great Orion Nebula is an enormous cloud of dust and gas where large numbers of new stars are being formed. It's bright central region, the Trapezium cluster, is home to four massive young stars that help shape the nebula.
Orion is estimated to be around 24 light years across and has a mass of about 2,000 times that of our Sun. It lies about 1,350 light years away from Earth.
🌀🌠🌌🌟
Image Information
Telescope: Tele Vue NP127fli Refractor | f5.6
Camera: FLI Proline 16803 CCD
Mount: 10Micron 2000 HPS
Exposure Details: L 6 x 300 sec, RGB 13 x 300 sec, Ha 6 x 600 sec
Observatory: Siding Spring, NSW, Australia
Date Taken: October - December 2018
Post-Processing: AstroPixelProcessor, PS
Thank you to Tele Vue Optics for featuring this image in their recent blog: bit.ly/2V8CgiC
This image shows the extended nebulosity around IC59/IC63. This nebulosity is very rarely found on imagery, and as far as I know only a handful of images showing this nebulosity can be found, where most of them only show a very weak impression of the nebulosity. With this image I hope to challenge people to image this beautiful region and maybe even bring out more details. It's really worth it!
The image was processed with astropixelprocessor and after that the starnet++ script in pixinsight was used to separate the stars from the nebulosity. Using Niktools the nebulosity was sharpened and stretched to show more detail in the final image.
Telescope: tmb92ss
Camera: qsi583ws
Exposure: 183x900s (46 h) with an astrodon 5 nm H-a filter
Here is the continuation of my large summer-2018 project.
I had imaged this region for about 13 nights altogether between July and October 2018. You can call me crazy, using so many nights for just one object, in a region where clear nights are rare :) But I really wanted to see if I could catch this beautiful Supernova remnant, and I'm glad it succeeded :)
Recently Pixinsight was supplied with the new Starnet++ module, which you can use to completely separate the stars from the background. I used this software to enhance the very weak nebulosity and was astonished to see how much more could be drawn from the background compared to the processing I did last year. All other processing was performed using Astropixelprocessor and photoshop.
Supernova remnants (SNR) are formed when a large star ends its life in a supernova explosion. About 300 of these remnants are currently known in our galaxy. One of the most famous remnants, the Veil Nebula, is located in the constellation of Cygnus. Although this is the most famous one in this constellation, it’s not the only SNR. Cygnus contains several obscure SNR’s, among which SNR 65.3+5.7 (also known as SNR 65.2+5.7).
SNR G65.3+5.7 was discovered by Gull et al. (1977) during an OIII survey of the Milky Way. Some parts of this SNR were already catalogued by Stewart Sharpless in his SH2 catalog as SH2-91, SH2-94 and SH2-96, but they were not recognized as being part of a bigger structure at that time. The idea that they could be part of a larger SNR was postulated by Sidney van den Bergh in 1960, but it took until 1977 for this to be confirmed.
This is one of the larger SNR in the sky spanning a region of roughly 4.0x3.3 degrees. Mavromatakis et al. (2002) determined the age of the SNR to be 20.000-25.000 years and the distance about 2.600 – 3.200 lightyears. The shell has a diameter of roughly 230 lightyears! This SNR is a predominantly OIII shell with also some H-alpha signal.
This supernova shell is quite weak and there are hardly any high-resolution images of this region. In the internet maybe 5-10 deep images of this shell can be found and, in most cases, they don’t cover the entire shell or the resolution is quite low because it was done by using photo lenses at short focal lengths. That’s why I decided to see if I could try to image the entire shell using my equipment, a TMB92 refractor in combination with a QSI583ws ccd camera. Because of its large size I needed to make a 3x3 mosaic to cover the whole region.
As so many nights were already necessary to cover the region in OIII I didn’t succeed in grabbing the H-alpha data, but on the internet I found the MDWsurvey (mdwskysurvey.org) initiated by David Mittelman (†), Dennis di Cicco, and Sean Walker (MDW). This is a marvelous project with the goal to image the entire northern sky in H-alpha at a resolution of 3.17”/pixel. I contacted them and told them of my effort to grab imagery of this SNR and they were very kind to provide me with the H-alpha imagery of this region, so that the entire SNR could be brought into view in reasonable high resolution.
This bicolor image shows a combination of about 53h of OIII data (made by myself) and 20 hours of Ha-data (made by the MDW survey) in a single image. In this way the full span of the shell can be seen in all its glory.
Image info:
H-alpha (astrodon 3nm, mdwskysurvey.org):
Telescope: Astro-physics AP130mm starfire
Camera: Fli Proline 16803
5 frames of 12x1200s each
OIII (astrodon 3nm):
Telescope: TMB92SS
Camera: QSI583ws
9 frames, 158 x 1200s total
25x 600 seconds Ha+14x 300seconds Red, 13x 300 seconds Green and 13x 300 seconds Blue (total integration 7.5 hrs). Processed with APP and Pixinsight with minimal steps. (NBRGB Combination,Histogram+Curves). 17,18,19 and 20 November 2017.
Esprit 100 f5.5/QHY16200CCD @ -20
Knight Observatory, Tomar
Dati: 17 x 480 sec ( 2.27ore) gain 5 @ -10° c + 36 dark + 30 flat e darkflat
Filtro: Astronomik UV/IR Block L2
Montatura: EQ6 pro
Ottica: Takahashi FSQ106
Sensore: QHY168C
Cam guida e tele: asi120mm su Scopos 62/520
Software acquisizione: nina e phd2
Software sviluppo: AstroPixelProcessor e Photoshop
Temperatura esterna: 10 ° C - Umidità 45%
25x600 seconds, Esprit 100 f5.5/QHY16200 @-20C. (This is a detail from a 72 panel Orion Mosaic i am working on.)
Knight Observatory, Tomar
The Hyades star cluster is the head of the bull in the Taurus constellation; Aldebaran, the brightest yellow star, is the eye. Quite a few dark nebulae are also present in this extent, as well as star cluster NGC 1647 in the upper left.
I normally wouldn't have astrophotographed on a night forecast to have only a small window of clear skies, but it had been a couple months since I had been able to image, so I went for it. I only managed 20 minutes of data without high, thin cloud cover despite shooting for well over an hour, but you have to take what you can get during winter in north Idaho. I'm going to shoot this one again sometime.
Fujifilm X-T10, Samyang 135mm f/2.0 ED UMC @ f2.0, ISO 1600, 20 x 60 sec, tracking with iOptron SkyTracker Pro, stacking with DeepSkyStacker, editing with Astro Pixel Processor and GIMP, taken on Jan. 21, 2020 under Bortle 3 skies.
20x180 sec, Nikon 200-500mm f/5.6 @500mm, ZWO ASI294MC Pro, iOptron CEM25P, Astro Pixel Processor, Lightroom.
Prints, cards and more are available via the website: shiny.photo/photo/Sh2-132-The-Lion-Nebula--Cepheus-20c162...
Sh2-132, also known as the "Lion Nebula", is an emission nebula located in the constellation Cepheus. Part of the Sharpless catalog, a list ofH II regions - clouds of glowing gas where star formation occurs.
About 10,000ly distant and 250ly across, Sh2-132 is situated in the Perseus arm of the Milky Way.
The most prominent sources of ionization in Sh2-132 are two Wolf-Rayet stars, which are extremely hot and massive stars nearing the end of their lives. These stars emit intense stellar winds shaping the surrounding gas into intricate structures.
Another of those occasions where one tries to match the DSS image of the Ha emission pattern resembling a lion with how the data looks. Make the OIII too bright a blue and it becomes a cut-'n'-shut with the front and rear ends too separate... It's also about the fine veins and blobs of dark nebulae - lanes of dust in the foreground.
4hr35min total integration with the IDAS NBZ dual-narrowband (Ha + OIII) filter, from which I extracted the Ha & OIII data separately using APP and recombined in PI.
D5300 Nikon 500mm Catadioptric Mirror Lens. 30sec f/8 ISO 400.
Captured in Astro Photography Tool. 140 Lights, 30 Darks, 30 Flats, 30 Bias frames. LR, AstroPixelProcessor, PS. Sky-Watcher Star Tracker. (The D5300 is used vs the D610 for the smaller pixel size- 3.89 microns vs 5.97 microns- to avoid undersampling.)
This is the full Messier 42 (etc) view also showing the NGC1999 region at lower right.
High Dynamic Range (HDR) techniques have been used to compress the dynamic range. 3 stacks made with 30, 120 and 600 second exposures (488 in total) with a total integration time of 24.6 hours. The stacks have been combined using HDRCombination in Pixinsight and further processsed with HDRMultiscaletransform and other processing steps.
Esprit 100 f5.5/ QHY16200 CCD @ -20C
Image dates:11,12,13,15,16,17,18 & 19 dec 2017 and 14,15,17,18& 19 jan 2018
What a joy to capture the spectacular "Jellyfish Nebula" in Gemini with the 2600MC and the RASA 8! I just love the nebula's shape, color and structure! I spent two nights on capturing Ha and OIII with the IDAS NBZ dualband filter and RGB stars without filter. Hope you like it!
Celestron RASA 8
Celestron Motorfocuser
EQ6-R Pro
ZWO ASI 2600 MC Pro (Gain 100, Offset 18, -10°)
RGB: 53 x 120" (1h 46')
Ha & OIII: 73 x 240" (4h 52')
Darks, Flats, Darkflats, Dithering
Guiding: ZWO ASI 120MM & PHD2
N.I.N.A., Astropixelprocessor, Photoshop, Pixinsight
NGC 253 - the Sculptor Galaxy - is one of the brightest (and dustiest) spiral galaxies beyond our Milky Way. It is suggested that there is the presence of a supermassive black hole in the centre with a mass estimated to be five million times that of our Sun!
🌀🌠🌌🌟
Image Information
Telescope: Planewave 20" CDK | f4.5
Camera: FLI-PL6303E CCD
Mount: Planewave Ascension 200HR
Camera Sensitivity: L Bin 1x1, RGB Bin 1x1
Exposure Details: L 16 x 300 sec, RGB 21 x 300 sec
Observatory: iTelescope.net at Siding Spring Observatory, NSW, Australia
Date Taken: October/November 2018
Post-Processing: AstroPixelProcessor, PS
This was a two panel mosaic but i sstill managed to somehow get the framing wrong and not capture all of the LMC!
Samyang 135/ZWO ASI183MC/AM3/L pro/ASIAIR
Bortle 4.6
1 and a quarter hours for each panel- 5 minute subs/
processed in AstroPixelProcessor/Photoshop CS6 and Affinity Photo
M101 is about 25 million lightyears away from us. Its spiral arms show several "knots" that are regions of star forming.
101 x 180s @ ISO 800
Pentax K3ii and TS 130/910 APO
This is the version stacked with AstroPixelProcessor.
The Hamburger Galaxy NGC 3628 is about 35 million lightyears away in the constellation Leo. This is a crop of my image of the Leo Triplet which I shot with my 910 mm refractor.
The image was composed from 120 images with DeepSkyStacker, AstropixelProcessor and Photoshop
The Cygnus Loop (a.k.a. Veil Nebula) in the constellation Cygnus, the remnants of a supernova explosion in which a star blew itself apart after exhausting its primary nuclear fuels.
A mosaic of 150 exposures, 300 sec. each in two overlapping fields in the light emitted by hydrogen, oxygen, and sulfur gas, rendered in red, blue, and green, respectively. Explore Scientific ED102 0.1m f/7 refractor, Stellarvue 0.8x reducer/flattener, ZWO ASI294MC camera, 7nm H-alpha, 7nm [O III], 6.5nm [S II] filters, iOptron CEM25P mount, ASIAir controller, autoguided. Processed in Astro Pixel Processor and Lightroom.
A stereo pair of Comet C/2021 A1 (Leonard) as it moves through the sky. Early this morning (3 December) it passed in front of the nice globular cluster M3. From suburban Bloomington, Indiana, with no Moonlight but plenty of light pollution.
75 frames, each 90 sec. (nearly 2 hours total exposure), processed in Astro Pixel Processor, once to register on the comet, again to register on the stars, processed in Lightroom and composited in Photoshop.
Explore Scientific 102mm f/7 refractor, ZWO ASI294MC camera, UV/IR cut fillter, iOptron CEM25P mount, ASIAir Pro controller.
I made this image with the Esprit 100 APO refractor and QHY16200 CCD. R,G and B filters, 64x120 seconds each. Ha (6nm) filter 17x900 seconds (total integration: 10.6 hrs.). 10,11,12,13,14 and 15 November 2017.
Stacks made with AstroPixelProcessor and further processing with Pixinsight (Histogram, RGB+ NBRGBCombination, Curves)
Knight Observatory, Tomar.
Comet C/2023 P1 (Nishimura) September 3, 2023. This comet is bright enough to photograph with a small telescope and should be visible in binoculars (I didn't try until the sky was too bright so didn't see it), but not naked eye. The nice, long, straight tail stretches nearly to the corner of this frame.
Composite of 20 exposures, 2 minutes each. Explore Scientific ED102 102mm f/7 apochromat, ZWO ASI294MC Pro cooled CMOS camera, ZWO UV/IR cutoff filter, Losmandy GM811G mount, ASIAir Pro controller, autoguided. Processed in Astro Pixel Processor, Lightroom, Photoshop
Galaxy IC342 at 10.7 Million lightyears distance is seen here obscured by the dust and gas in the plane of our Milky way Galaxy. That is why IC342 has a reddish color.
LRGB data (11.6 hrs Luminance+12.5hrs RGB) shot on 15,16,17,18,19 and 20 November 2017. Esprit 100 refractor with QHY16200 Mono CCD camera @-20 Celcius.
Processed with AstroPixelProcessor and Pixinsight.
Wikipedia: en.wikipedia.org/wiki/IC_342
Knight Observatory, Tomar
In Explore 20180401
Apart from the Vela Supernova Remnant itself, other named objects that can be identified include -
RCW 32 (Gum 15),
33
34 (Gum 19)
35 (Gum 18)
36
NGC 2659-open cluster
NGC 2671-open cluster- stars not resolved in this image
An inexpensive Canon kit lens-75-300 mm f/4-5.6 @75 mm coupled with a ZWO ASI 183 MC on a HEQ5 and with an L Extreme filter
Bortle 7.6. No moon
Integration:
24 x 300 seconds
Stacked in AstroPixelProcessor
Processed in Pixinsight
The Hercules Globular Cluster is composed of several hundred thousand stars and is about 24,000 light years away from Earth. The stars are so densely packed together they sometimes collide to form new stars called ‘blue stragglers’ which can clearly be seen in the image (zooming in helps!).
A globular cluster is a spherical collection of stars bound by gravity. Globular clusters in spiral galaxies like the Milky Way are found in the galactic halo which is the outer spheroidal part of the galaxy rather than found in the galaxy’s disc. Globular clusters tend to have older more massive stars and are composed of fewer heavy elements than open clusters. There are more than 150 Globular Clusters in the Milky Way. [Wikipedia]
Imaged from my UK back garden, Bortle 5, in Nautical dark (no Astro dark :-( ) on 31st May 2021 with:
- C925 Edge HD on CGX mount
- ASI 533MC Pro OSC camera
- ASI 120MM guidecam
Stack of 48 x 180s bin 2x2 with camera at 139 gain and -15degC
Processed with AstroPixelProcessor, StarTools and Affinity
Part of the supernova remnant known as the Veil Nebula or Cygnus Loop. The result of a star that blew itself apart in a gigantic explosion several thousand years ago.
60 300 sec. exposures (5 hours total exposure), Celestron C5 with f/6.3 focal reducer/corrector (900mm focal length), ZWO ASI294MC Pro camera, dual narrow-band filter (H-alpha+[O III]), ZWO ASIAir controller, iOptron CEM25P mount, processed in AstroPixelProcessor and Adobe Lightroom.
30-04-2017 - 01:00 aprox. GMT -3
Star Adventurer
Canon 6D - Sigma AF 70-300mm f/4-5.6 APO DG Macro @ f/5,6
ISO 1600 - 5150K - 120 segundos - DF 190mm
16 lights, 19 darks y 300 bias
AstroPixelProcessor, Photoshop y Lightroom
This HII complex on the border of Monoceros and Canis Major. Covers about 3 degrees of sky, The nebula lies in one of the farthest arms of our Milky Way galaxy and is about 100 light years across.
The head of the Seagull is Vdb 93. Also contained within the nebula are the open clusters - NGC 2343, NGC 2335, Collinder 465, and Collinder 466.
This is a HaRGB Combination from the Canon 6Da RGB data from march 8, 10 &11 2016 and Ha data shot with QHY16200 on november 17,18,19 &20 2017. (3 hrs RGB+7 hrs Ha)
telescope: Esprit 100 f5.5.
Knight Observatory, Tomar
With one of the more spectacular views in the night sky, Thor's Helmet Nebula (NGC 2359) features a bubble shaped emission nebula. This bubble (containing hundreds of solar masses of ionized material) appears to be getting blown by solar wind coming from the central star. This is a rare type of central star known as a Wolf-Rayet star which runs extremely hot and is thought to be in a pre-supernova stage.
Calibrated images of Thor's Helmet Nebula were provided by iTelescope.net. In addition to providing access to their telescopes, iTelescope.net provides subscribing members with a combination of premium image sets (with the rights to use & post them) and webinars that show how to process them. Itelescope.net captured the images and I did the post-processing with Astro Pixel Processor, Photoshop and Topaz Sharpen AI. Star spikes are natural.
Exposure Settings
• 27 images (9 red, 9 green & 9 blue)
• Exposure Time: 10 minutes (each image)
• Total Exposure Time: 270 minutes
M: iOptron EQ45-Pro
T: William Optics GTF81
C: ZWO ASI1600MC-Cooled
F: No Filter
G: PHD2
GC: ZWO ASI120mini [OAG]
RAW16; FITs
Temp: -15 DegC
Gain 200;
25 x Exp 15s
Frames: 25 Lights; 50 Darks; 50 Flats
60% Crop
Capture: SharpCap
Processed: APP; PS
Sky: No moon, calm, 30%cloud, mild, good seeing.
The constellation Orion is beginning its winter trek across the sky. One of many gems in that area of the sky is the amazing complex near the bright star Zeta Orionis, one of the three stars in Orion's belt. Here are the Horsehead Nebula, a.k.a. Barnard 33, and the Flame Nebula, a.k.a. NGC 2024, among other, smaller features.
November 12, 2021. 1x3 mosaic, each panel 8 6-minute exposures (2.4 hours total). Explore Scientific FCD-100 102mm telescope, ASI294MC camera, dual narrow-band filter (H-alpha, [O III]), iOptron CEM25P mount, ASIAir controller, processed in Astro Pixel Processor and Lightroom.
Easily the largest Seagull ever seen, by light years ;-)
The Seagull Nebula (Sh2-296) lies just on the border between the constellations of Monoceros (The Unicorn) and Canis Major (The Great Dog) and is close to Sirius, the brightest star in the night sky. The nebula lies more than four hundred times further away than the famous star.
The complex of gas and dust that forms the head of the seagull glows brightly in the sky due to the strong ultraviolet radiation coming mostly from one brilliant young star HD 53367.
The radiation from the young stars causes the surrounding hydrogen gas to glow. Light from the hot blue-white stars is also scattered off the tiny dust particles in the nebula to create a contrasting blue haze in some parts of the picture.
Spanning about 100 light-years from one wingtip to the other, Sh2-296 displays glowing material and dark dust lanes weaving amid bright stars.
It is a beautiful example of an emission nebula, in this case an HII region, indicating active formation of new stars, which can be seen peppering this image.
The Seagull Nebula complex was observed for the first time by the German-British astronomer Sir William Herschel back in 1785.
SHO Taken between 22 and 27 February 2022 (65% - 13% Moon), RGB stars taken 7 March 2022 (22% Moon). Last chance to capture this target for me in my location for 2022, but also my first attempt. I could have squeezed in Thor’s Helmet if I had rotated the camera but I didn’t want to change the optics at this point. I could only manage 2.5 hours a night due to the target getting lower by this time of year, and crashing into a neighbours tree.
I spent far too many hours processing and reprocessing using new and different Pixinsight work flows to get the best from the data, and of course I would like to start over again, but time to let this big bird free until I capture it again next time around.
Sky Quality 19.67 Magnitude Class 5 Bortle.
Astromiks 50mm SHO 6nm Filters
Sii=26 x 300s + 19 x 180s
Ha=27 x 300s + 18 x 180s
Oiii=14 x 300s + 17 x 180s
RGB Stars 46 x 60s x 3
10 hours 10 minutes total
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
Matériel :
* Samyang 135mm f2 @samyangfrance
* Filtre Nisi Natural Night @nisifrance
* Monture équatoriale StarAdventurer
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Prise de vue :
* 200 lights soit 3h20, une minute par light
* 100 bias
* 100 flats
* No Dark
* Bortle 2,5 - 3
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Traitement :
* Lightroom,
* AstroPixelProcessor,
* Photoshop (HLVG/Topaz Denoise)
A portion of the star-forming nebula IC 1396, or the Elephant Trunk Nebula in the constellation Cepheus. 3-panel mosaic, each 20 300 sec. exposures (5 hours total exposure). Explore Scientific 102mm f/7 refractor, ZWO ASI294MC camera, dual narrow-band fillter (H-alpha and [O III]), iOptron CEM25P mount, ASIAir Pro controller, processed in Astro Pixel Processor and Lightroom.
I wanted to include the Perseus molecular cloud in the same extent as the California Nebula, but it didn't quite fit in the 1.5x-crop-factor field of view of my Fuji + Samyang 135mm lens, so I shot a mosaic of 4 panels. I thought snct astro did a great job framing the extent here (flic.kr/p/2kcoAZu), so I imitated their framing.
Panels were 26, 30, 22, and 37 x 1 min integrations and overlapped substantially, so most areas were covered by more than one panel. I also added 50 x 1 min of imagery of the Perseus Molecular Cloud from Nov. 20, 2019 (flic.kr/p/2hNZ6iA). So in total this is 165 minutes worth of data.
Fujifilm X-T10, Samyang 135mm f/2.0 ED UMC @ f2.0, ISO 1600, tracking with iOptron SkyTracker Pro, stacking of individual panels done with DeepSkyStacker, flattening of individual panels and mosaicking done with Astro Pixel Processor, editing in GIMP.
Skies were Bortle 3/4 for the 4 panels shot on Dec. 5, 2020, and Bortle 2/3 for the 50 exposures from Nov. 20, 2019.
It was fun discovering the planetary nebula NGC 1514 below the California Nebula as I processed this. Even though it's tiny at 135mm, it was very apparent that it was a planetary nebula rather than a star.
Dati: 57 x 300 sec ( 4.75ore) gain 5 @ -20° c + 38 dark + 30 flat e darkflat
Filtro: Astronomik UV/IR Block L2
Montatura: EQ6 pro
Ottica: Takahashi FSQ106
Sensore: QHY168C
Cam guida e tele: asi120mm su Scopos 62/520
Software acquisizione: nina e phd2
Software sviluppo: AstroPixelProcessor e Photoshop
Temperatura esterna: 5 ° C - Umidità 50%
note: PRESENZA DI VELATURE IN CIELO
im Sternbild Schwan. Ein Supernova Überrest.
Je 9x3min in RGB, 81min Gesamtbelichtungszeit. Bearbeitet mit AstroPixelProcessor, Photoshop , Starnet. Datensatz von iTelescope.net: Takahashi FSQ-ED APO 106mm, f/5, SBIG STL-11000M CCD Kamera.
M81 (Bodes Galaxy) Spiral Galaxy found in the constellation of Ursa Major.
M: iOptron iEQ45-Pro
T: Celestron C8 SCT
C: ZWO ASI1600MC-Cooled
G: OAG and PHD2
GC: ZWO ASI220MM
RAW16; FITs
Temp: -10 DegC
Filter: No Filter
Gain 139; Exp: 32 x 120s
Frames: 32 Lights
Cal Frames: DarkFlats/Flats
Total Exposure: ~64 mins
95% Crop
Capture: NINA
Processed: APP; PS.
Sky: No moon, no breeze, no cloud.