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This is a narrowband attempt using the Hubble Palette for this version of the Melotte 15 region within the Heart Nebula - IC1805
The nebula resides in Cassiopeia.
Imaged with a Skywatcher Esprit 120 and a cooled ZWO1600mm camera during the night of 14th/15th November. The moon was around 93% illuminated.
The Ha was mapped to green, the SII data to red and the OIII data to blue.
40x 300s Ha
20x 300s OIII
20x 300s SII
Gain 200 and camera was cooled to -20.
Processed in APP and Photoshop.
Canon EOS 6D (Baader filter modified)
Focal length: Canon 400mm f5.6
Tracking Mount: Skywatcher EM35-Pro.
Guiding: None
Exposure: 70 x 60sec @ ISO-6400 (RAW)
With calibration frames applied.
Software: Astro Pixel Processor & Lightroom.
Imaged during the night of 2-3 March in continuing clear skies here. This is my take on the aptly named Jellyfish nebula complete with bell-shaped body and trailing tentacles!
Also catalogued as Sharpless 248 this object is actually the galactic remnants of a supernova which may have occurred within the broad timespan of 3 - 30000 years ago.
The nebula is located in the constellation of Gemini and the bright star is Eta Geminorum also known as Propus or Tejat Prior - a Class M star which actually forms part of a triple system.
The Jellyfish lies at a distance of around 5000 lightyears and is around 70 lightyears in size.
This is a straight broadband image taken with my Esprit 120ED refractor and a ZWO 2600MC camera. I used Skywatcher's 0.77x focal reducer.
104x180s Exposures (5.2hrs)
Gain 100 and camera cooled to -10°C.
Temp. matched darks flats and Dark Flats for calibration.
Completed using AstroPixel Processor and Photoshop 2022.
Many thanks for looking!
Started something completely new for me here. Ha-OIII Bicolour Version of Elephants Trunk Nebula in IC 1396.
ASI 2600 MC Pro - Skywatcher 150/750 PDS - NEQ 5
Optolong L-Extreme
Asiair & Mgen
51 x 600s
OLYMPUS DIGITAL CAMERA
La Luna entre las nubes fotografía a foco primario con telescopio Sky-Watcher 150/750
Getting closer on Crescent Nebula before the Rain starts... Bye Bye Clear Sky
ASI2600 MC Pro - Skywatcher 150/750 PDS
Optolong L-Extreme 2"
Asiair - Mgen II
37 x 600s
De mon lit elle est aussi belle que par mon télescope finalement... 26.04.21 - Pleine Lune -> Lève les yeux au ciel, et tu verras la même chose que moi au même instant :p
#moon #space #future #generationspace #star #astronomy #cosmology #theory #observer #oneofmyhobby #sky-watcher #smile #sciences #life
#ƒrεεDÂmε®
√allys√aliƒε®
RεbεllEMotivantε ƒrom √εnus®
la rumeur de Paris®
MaturEllε®
Equipment:
Scope: Lacerta 72/432 F6 0.85x reduktorral (367mm F5.1)
Mount: Skywatcher EQ-5 Pro Synscan Goto
Guiding: OAG
Guide camera: ZWO ASI120mm Mini
Main camera: ZWO ASI183MM-Pro cooled monochrome camera
ZWO ASIAIR Pro
ZWO EFW 8x1.25"
ZWO EAF
ZWO OAG
ZWO 1.25 Helical focuser
Lacerta Dew-heater 30cm
Programs:
PixInsight
Adobe Photoshop CC 2020
Details:
Camera temp: -15°C
Gain: 111
Astronomik 6nm Ha: 25x300s
Astronomik 6nm Oxygen: 16x300s
Dark: 60x
Flat: 20x
Following reports of this comet in outburst in the latter half of Dec 2015/early days of 2016, the first opportunity I had to get a look at home was 7 January 2016. A very clear but windy night with seeing approx 5/10.
Through my binoculars: Estimated mag. 8.5, coma diameter 4'.
Comet was passing very close to a mag 14.5 star at the time which threw me off quite a bit during processing.
Equipment used:
Skywatcher 120ED Esprit (polar aligned)
Celestron AVX
Field flattener
Unmodded Canon 700D
47 Light frames
27 Dark frames
27 Flat frames
160 Bias frames
18 mins integration time. (all at 25 secs, ISO 1600)
Stacked in DSS: Median Kappa Sigma once with comet, once with stars.
Final processing in CS5 using Hubl method.
It's taken me a while to get this done as I've had a recurring headache since I shot the frames!
The Great Orion Nebula ..Messier 42, Messier 43, NGC 1976 in the Orion Constellation
Links:
Details:
The Great Orion Nebula ( Messier 42, NGC 1976 )
RA 5 36 15, DEC -5 26 31 ( 2016.9 )
Skywatcher Quattro 10" f4 Newtonian telescope
Skywatcher AZ Eq6 GT Mount
Orion Short Tube 80mm guide scope & auto guider - PHD2. Baader MPCC Mark 3 Coma Corrector & no filter
Nikon D5300 (unmodified)
Field of view (deg) < ~ 1.35 x 0.90
long exp noise reduction on
45 x 120 sec ISO 400
15 x 60 sec ISO 100
varioius short exposures 3 to 15 sec to extend dynamic range for bright stars
Pixinsight & Photoshop
28th November 2016
Equipment:
Scope: Lacerta 72/432 F6 0.85x reduktorral (367mm F5.1)
Mount: Skywatcher EQ-5 Pro Synscan Goto
Guiding: OAG
Guide camera: ZWO ASI120mm Mini
Main camera: ZWO ASI183MM-Pro cooled monochrome camera
Accessories:
ZWO ASIAIR Pro
ZWO EFW 8x1.25"
ZWO OAG
ZWO 1.25 Helical focuser
Lacerta Dew-heater 30cm
Programs:
PixInsight
Adobe Photoshop CC 2020
Details:
Camera temp: -15°C
Gain: 111
Astronomik 6nm Ha: 25x300s
Astronomik 6nm Oxygen: 16x300s
Dark: 60x
Flat: 20x
Dark_flats: 20x
Français en haut / English below.
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[FR]
Nébuleuse de la méduse (SNR G189.0+03.0 / IC443) - SHO
Depuis la rénovation de ma maison et les démenagements multiples, je n'ai pas eu l'occasion véritable de tester mon nouveau setup. Le 1er janvier, j'ai craqué ! C'était quasiment la pleine lune mais j'ai craqué ! La lune était quasiment dans le même axe que la cible (IC443), une cible peu lumineuse, mais on s'en fout, il fallait essayer le nouveau matos et se prendre la tête avec beaucoup trop de problèmes : le crayford qui déconne, les filtres à visser/dévisser sur le correcteur de coma, PhD2 qui, pour une raison qui m'échappe, avait fait un reset de tous les paramètres, et tout ça par -16°C. J'ai mis 2h à tout monter et régler, je suis rentré dans la maison avec les doigts violets, mais c'était cool. Sur les images j'ai eu un gradient de fou à cause de la Lune, j'en ai bien bavé pour le traitement, mais je suis plutôt content du résultat vu les conditions.
La nébuleuse de la méduse, nommée SNR G189.0+03.0, est un rémanent de supernova distant de 6200 années lumières (AL). Rémanent de supernova signifie "reste d'une étoile qui a explosé (il y a longtemps)". Quand l'étoile d'origine a explosé, quelqu'un à Grenade (Espagne) oubliait ses sandales en corde dans une grotte. Pendant ce temps le cimat se réchauffe, l'afrique s'asseche et l'humanité fait plein de de belles céramiques. Ce que l'on observe là, c'est les couches externes que l'étoile a expulsé lors de son explosion. Dans le ciel, cet objet occupe 1 fois et demi le diamètre de la pleine lune. En son centre se trouve une étoile à neutrons, non visible.
- Elle est encadrée en haut et en bas par 2 étoiles jaunes très lumineuses qui sont respectivement Tejat (231.65 AL) et Propus (349.2 AL). Ces étoiles sont visibles à l'œil nu. Sur la photo, on ne voit à sa droite qu'Eta Geminorum (Eta des Gémeaux), c'est à dire Propus.
Pour la technique, j'ai utilisé un Canon 6D défiltré partiellement par IRPhotomax, un télescope de Newton Skywatcher 150/750 avec correcteur de coma, un filtre SVBony SV220 (dual band : OIII + H-Alpha) et un filtre SVBony SV227 (SII). Le tout était monté sur monture Skywatcher AZ-EQ5 et autoguidé par une lunette Kepler 50/162 + camera Zwo Asi 120 mm + Raspberry Pi3 avec PhD2 guiding.
J'ai fait 85 poses de 3 min (4h15) avec le SV220, puis 79 poses de 3 min avec le SV227 (3h57). A cela s'ajoutent 30 flats avec le SV220, 31 avec le SV227, 64 darks de 3 min, 30 offsets.
Le traitement a été fait sous Siril 1.4 + Gimp.
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[EN]
Jellyfish Nebula (SNR G189.0+03.0 / IC 443) – SHO
Since the renovation of my house and multiple moves, I haven’t really had a proper chance to test my new setup. On January 1st, I gave in! It was almost a full Moon, but I gave in anyway! The Moon was almost aligned with the target (IC 443), a rather faint object—but who cares, I needed to try the new gear and struggle with way too many issues: the Crayford focuser acting up, filters that had to be screwed/unscrewed on the coma corrector, PhD2 which, for some reason I still don’t understand, had reset all its parameters… and all of this at −16 °C.
It took me two hours to assemble and adjust everything. I went back into the house with purple fingers, but it was cool. The images had a crazy gradient because of the Moon, and processing was quite a pain, but I’m pretty happy with the result given the conditions.
The Jellyfish Nebula, designated SNR G189.0+03.0, is a supernova remnant located 6,200 light-years (ly) away. A supernova remnant means “what’s left of a star that exploded (a long time ago).” When the original star exploded, someone in Granada (Spain) was forgetting their rope sandals in a cave. Meanwhile, the climate was warming, Africa was drying out, and humanity was making lots of beautiful pottery.
What we see here are the outer layers that the star expelled during its explosion. In the sky, this object spans about one and a half times the diameter of the full Moon. At its center lies a neutron star, which is not visible.
It is framed above and below by two very bright yellow stars: Tejat (231.65 ly) and Propus (349.2 ly), respectively. These stars are visible to the naked eye. In the photo, only Eta Geminorum (Eta Gem), i.e. Propus, is visible to its right.
As for the equipment, I used a Canon 6D partially modified by IRPhotomax, a Skywatcher 150/750 Newtonian telescope with a coma corrector, an SVBony SV220 filter (dual band: O III + H-alpha), and an SVBony SV227 filter (S II). Everything was mounted on a Skywatcher AZ-EQ5 mount and autoguided with a Kepler 50/162 guide scope, a ZWO ASI120MM camera, and a Raspberry Pi 3 running PhD2 guiding.
I took 85 exposures of 3 minutes (4h15) with the SV220, then 79 exposures of 3 minutes with the SV227 (3h57). In addition, I captured 30 flats with the SV220, 31 flats with the SV227, 64 darks of 3 minutes, and 30 bias frames.
Processing was done with Siril 1.4 and GIMP.
Following on from my previous aircraft/moon image this follow-up shows the full sequence of the aircraft's transit across the face of the rising gibbous moon.
The Easyjet Airbus A320 had taken off from Belfast International Airport (BFS) 4 mins previously, enroute to London Gatwick (LGK)
I was in the fortunate position of actively doing lunar imaging when the aircraft passed through!
My camera was operating at 3 frames per second so I was able to capture the aircraft's ingress, transit and egress!
The first image has captured the aircraft's navigation lights and it is fascinating to see the eddies and disturbances created on the moon's image by the plane's hot exhaust gases.
Imaged with a Skywatcher Esprit 120ED Apo Refractor and a ZWO 2600MC camera and a lot of luck!!
As always many thanks for looking. Always appreciated!
Teleskop oder Objektiv (Aufnahme): Skywatcher 150/750 PDS
Aufnahmekamera: ZWO ASI 2600 MC Pro
Montierung: SkyWatcher EQ6 R Pro
Teleskop oder Objektiv (Nachführung): Skywatcher 150/750 PDS
Nachführkamera: ZWO ASI 120MM
Software: Pleiades Astrophoto S.L. PixInsight 1.8.8 Ripley · Adobe Photoshop 2020 · AstroPixel Processor
Filter: Optolong L-eXtreme 2"
Zubehör: ZWO EAF Electronic Auto Focuser · ZWO ASIAir Pro · ZWO OAG · Baader Coma Corrector
Datum:6. Juli 2021
Frames: 24x600" (4h)
Equipment:
Scope: Lacerta 72/432 F6 0.85x reduktorral (367mm F5.1)
Mount: Skywatcher EQ-5 Pro Synscan Goto
Guiding: OAG
Guide camera: ZWO ASI120mm Mini
Main camera: ZWO ASI183MM-Pro cooled monochrome camera
Accessories:
ZWO ASIAIR Pro
ZWO EFW 8x1.25"
ZWO EAF
ZWO OAG
ZWO 1.25 Helical focuser
Lacerta Dew-heater 30cm
Programs:
PixInsight
Adobe Photoshop CC 2020
Details:
Camera temp: -15°C
Gain: 111
Astronomik 6nm Ha: 56x300s
Astronomik 6nm Oiii: 42x300s
Bortle Scale: 4
Location: Isaszeg, Hungary
The Whirlpool Galaxy, also known as Messier 51a (M51a) or NGC 5194, in the constellation Canes Venatici. 31 million light-years from Earth.
(50% crop)
Skywatcher Esprit 100ED
Canon 700d
Celestron CGEM
ISO800 35x120s (1hr 10mins)
Processed in PixInsight
Skywatcher Evostar Pro 80 ED (w/.85x reducer/corrector & QHYCCD Polemaster), Skywatcher EQM-35, Nikon D3300.
120 lights x 90 s @ ISO 800, ~45 dark, ~45 flat, ~100 bias, stacked in DSS and post-processed in Photoshop.
Rosette Nebula and NGC2244 in narrowband.
20x300s S2,HA,O3
ZWO Asi2600mm
Skywatcher Esprit 100ed
Taken 03 Mar 22
Rho Ophiuchi Cloud Complex
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Located at about 500 light-years from Earth, Rho Ophiuchi is undoubtedly one of the most spectacular and colorful parts of the night sky.
Emission nebulae, reflection nebulae, dark nebulae or star clusters, all can be found in this small part of the sky. There is also a star nursery, practically the closest to Earth, and not to forget Antares (in the yellow area of the attached photo), a giant star, 700 times larger than the Sun, and 10,000 times brighter.
A book could be written about this area, so I will stop here with the description. I hope I will be lucky enough to repeat the experience at the next new moon.
……………………………………………
Equipment and settings:
Mount: Skywatcher Star Adventure GTI
Camera: Nikon D610 – astro modified
Lens : Rokinon 135mm F2
Settings: F 2.8, ISO 1600
Total exposure: 80 minutes (53 exposures x 90 sec)
Calibration frames: 15 darks.
Location: Bortle ¾.
Edit : Pixinsight.
M45 Pleiades
Canon 700d
Skywatcher 100ED
20x120s (40mins)
Processed in Pixinsight
Resolution ............... 0.797 arcsec/px
Rotation ................. -90.001 deg
Observation start time ... 2023-01-21 19:22:47 UTC
Observation end time ..... 2023-01-21 20:22:31 UTC
Focal distance ........... 556.13 mm
Pixel size ............... 2.15 um
Field of view ............ 2d 12' 3.1" x 1d 29' 23.4"
Image center ............. RA: 3 47 02.704 Dec: +24 08 27.31 ex: -0.109459 px ey: -0.000181 px
It would have been amazing seeing this week’s total solar eclipse from Exmouth in Western Australia. From my location on the southeast coast of Australia, though, the event was a partial eclipse, meaning the Moon’s path between the Sun and my viewing position only obscured a small portion of the Sun’s disc. Unfortunately, the eclipse was partial for me in another sense. Clouds covered the sky for nearly ninety of the one hundred and twenty minutes of the eclipse.
When the clouds thinned out, I got a few images, including this one shot at the point of maximum eclipse. The clouds gave the Sun its mottled look and possibly made this a more interesting photo. In the enlarged inset, you can see the sunspot area known as AR3282, and the two large blobs at either end of this feature are about the same size as the Earth.
I’d hoped for better–and more–shots than I captured, but something’s better than nothing, right? I captured this photo with a Canon EOS 6D Mk II camera attached to my SkyWatcher 8” Dobsonian telescope—with a Thousand Oaks solar filter fitted—using an exposure time of 1/160 second @ ISO 800.
M42 in Orion.
31 minutes exposure.
Skywatcher Esprit 120 telescope.
ZWO ASI 071 camera.
Taken in SW Sydney, 7th November 2019, prior to the arrival of mega-bushfires which precludes any astro-photography by me for the foreseeable future.
Skywatcher Evostar Pro 80 ED (w/.85x reducer/corrector & QHYCCD Polemaster), Skywatcher EQM-35, Nikon D3300.
65 lights x 90 s @ ISO 800, ~45 dark, ~45 flat, ~100 bias, stacked in DSS and post-processed in Photoshop.
Skywatcher Evostar Pro 80 ED (w/.85x reducer/corrector & QHYCCD Polemaster), Skywatcher EQM-35, Nikon D3300.
35 lights x 90 s @ ISO 800, ~45 dark, ~45 flat, ~100 bias, stacked in DSS and post-processed in Photoshop.
Wildfire Smoke and High Temperatures haven't allowed for many clear nights recently, but I was able to squeeze in some time to gather enough lights for this one.
SkyWatcher 70mm SK707AZ2 + Filter Thousand Oaks + super 25mm + barlow 2X.
Edited with MS Picture Manager and Photofiltre.
It's possible the 2915, 2916 and 2918 spots this time.
Same data as last image, but reprocessed and cropped.
SKYWATCHER ED80, QHY163M - Optolong LRGB, 5min luminance x nearly 2hrs total luminance, with 2min RGB x approx 6 each filter.
Shooting a few frames here and there adding to the luminance data.
This is a reanalysis of an image of the 20 million light-year distant galaxy M106 in Canes Venatici, acquired during the night of 1st - 2nd April 2021.
This time I used PixInsight to process and annotate the image as well as Astropixel Processor.
Imaged with a Skywatcher Esprit 120ED Triplet Apo and a ZWO 2600MC camera.
100x120s
Darks, Flats & Dark Flats.
SkyWatcher 70mm SK707AZ2 + Filter Thousand Oaks + super 25mm + barlow 2X.
Edited with MS Picture Manager and Photofiltre.
It's possible the 2991, 2993, 2994 and 2995 spots this time.
Canon eos 600D modificada y refrigerada.
Skywatcher150/750 pds.
Skywatcher Neq6 proII.
guiado con Celestron 130/650 + zwo asi 290mc.
19x300s + darks
NGC 7822
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This is an emission nebula located in the constellation Cepheus, about 3000 light-years from us, being a region where new stars are born. If the strong radiation emitted by the new stars ionizes the surrounding gas and illuminates the entire area, the same radiation erodes those "pillars" of cosmic dust causing, over time, those concentrated areas of dust to disappear and thus destroy the main "material" that forms the new stars.
Equipment and settings:
Mount: Skywatcher Eq6R
Telescope: Explore Scientific 102ED + 0.75 APM reducer
Camera: ASI 533MM
Filter: Astrodon SHO
Total integration: 10 hours ( Ha 38 exposures x 5 min, Sii 44 x 5 min, Oiii 63 x 3 min )
Edit in Pixinsight.
Location: my Bortle 6+ backyard.
NGC 6164 is a bipolar emission nebula of about 4 light years across and is approximately 4,200 light-years away from earth. It is in the southern constellation of Norma. It is currently heading towards us at approximately 53.9 kilometers per second. This image was processed using HOO - Ha to red, Oiii to the green and blue channels.
Equipment Details:
• 8 Inch Skywatcher Quattro Carbon Fibre F4.0 Newtonian Reflector
• Skywatcher NEQ6 Mount
• SBIG STT 8300m CCD Camera cooled to -20'c
• SBIG FW8G-STT Filter Wheel
• Baader 36mm unmounted Ha, Sii and Oiii filters
• SKywatcher BD 102mm Guide Scope
• Meade DSIii CCD Guide Camera
• Polemaster for polar alignment
• Processed using PixInsight
Exposure Details:
• Ha 20 X 300 seconds - Bin 1x1
• Oiii 20 X 300 seconds - Bin 1x1
• Cooled at -20'c
Total Integration Time: 3 hours and 20 minutes
Cygnus Wall.
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Cygnus Wall is the most visible and interesting part of the well-known North America nebula, located 1500 light-years from us, in the constellation Cygnus. The "wall" is actually an area of stellar dust combined with hydrogen ionized by the radiation of young stars and stretches over a length of about 20 light-years, thus being one of the largest and best known stellar "nurseries".
Equipment and settings:
Mount: Skywatcher Eq6r pro
Telescope: Explore Scientific 102ED triplet + 0.75 APM reducer
Camera: ASI 533MM pro
Filter: Astrodon SHO
Total integration: 6h36' ( Ha 43x3min, Sii 40x3min, Oiii 47x3min )
Edit in Pixinsight.
Location: my Bortle 6+ backyard.
Composición de dos fotografías, una subexpuesta, y otra sobreexpuesta
Montura: skywatcher EQ6R
Tubo: SW ED80+Reductor 0.85x
Auto enfoque: RB Focus
Cámara principal:
Zwo ASI294MC Pro
Filtro: Hutech IDAS LPS-P2
Desde casa Alcobendas (Madrid)
Bortle 9
Skywatcher Evostar Pro 80 ED (w/.85x reducer/corrector & QHYCCD Polemaster), Skywatcher EQM-35, Nikon D3300.
120 lights x 90 s @ ISO 800, ~45 dark, ~45 flat, ~100 bias, stacked in DSS and post-processed in Photoshop.
Skywatcher ED80 Pro (w/ QHYCCD Polemaster), Skywatcher EQM-35, Nikon D7500.
69 lights x 60s @ ISO 800, ~45 dark, ~45 flat, ~100 bias, stacked in DSS and post-processed in Photoshop.
SkyWatcher 70mm SK707AZ2 + Filter Thousand Oaks + super 25mm + barlow 2X.
Edited with MS Picture Manager and Photofiltre.
It's possible the 2976, 2978, 2981, 2983 and 2985 spots this time.
Flame and Horsehead Nebula , 9 x 180 sec and 14 x 90 sec exposures stacked in Sequator. Canon 60D on Skywatcher Quattro 250P F4 .
SkyWatcher 70mm SK707AZ2 + Filter Thousand Oaks + super 25mm + barlow 2X.
Edited with MS Picture Manager and Photofiltre.
It's possible to see the 3030, 3031, 3032, 3033, 3034, 3035, 3037 and 3038 spots this time.
Messier 20, Barnard 85
Emission, reflection and dark nebulae in the constellation of Sagittarius.
Magnitude: +6.3.
Apparent size: 29′ x 27′ (about Moon size).
Diameter: 44 light years.
Distance: 5,200 light years.
Image date: 7th September 2020.
Exposure: 121 x 90 sec = 3 hour exposure.
Field of View: 47.7 x 31.7 arcmin.
Imaged with my ZWO ASI071 camera on Skywatcher Esprit 120 telescope, this time with a Televue 2X Powermate.
The virtually 50% illuminated moon in hazy skies due to high cloud, during the morning of the 21.10.19. A favourable libration is revealing a tantalising glimpse of the Mare Orientale on the western limb below left of dark crater Grimaldi.
Imaged with a Skywatcher Esprit 120mm refractor and a Nikon D5300