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A naked eye object, easily visible here in the Southern Hemisphere as a summer object in the Northern sky.
This was a test image with a new camera.
Object Details:
Messier 42, NGC 1976, LBN 974.
Constellation: Orion.
Visual magnitude: +4.0
Apparent diameter: 85 x 60.0 arc-min. (about 2 Lunar Diameters).
Actual diameter: 35 light years.
Distance: 1,400 light years.
Altitude: 49° above NW horizon.
Also visible:
Also visible in this image are:
NGC 1973, NGC 1975, and NGC 1977, the Running Man Nebula;
the smaller bright nebula, M43;
2nd magnitude quadruple star Iota Orionis; and
wide double star Struve 747.
Image:
Exposure: 14 x 30 sec = 420 sec, gain 179
Date: 2018-02-02.
Location: Leumeah, NSW.
Sky: outer suburban.
Cloud: partly cloudy.
Moon: Waning gibbous 17 days, 94% illuminated, 26° rising in East.
Image acquisition software: SharpCap.
Image post-processing: Deep Sky Stacker > GIMP.
Cropping: minor.
Gear:
Imaging telescope: Skywatcher Esprit 120ED Super APO triplet refractor.
Focal length: 840 mm, focal ratio: f/7.
Imaging camera: ZWO ASI 071 MC Pro
Guiding: off (guide camera failed to initiate).
Telescope mount: SkyWatcher EQ6-R.
Polar aligning method: QHYCCD PoleMaster.
Polar alignment error: 11 arc-min.
Field flattener: yes; filter: no.
Observing Notes:
This was my first deep sky capture using my new ZWO 071 colour camera.
It is possibly a teeny bit off focus and somewhat affected by lunar & suburban light pollution.
Stock Canon 550D, Sigma @ 600mm,Sky-watcher Star adventurer.
Camera is showing its age, sensor stripes :( but cant complain too much about the result!
50mins lights
30 darks
30 flats
40 bias
This is the latest project of mine captured from GrandMesaObservatory.com in Western Colorado and first light images using the Sky-Watcher Esprit 150mm ED F7.0 Triplet APO Refractor that Sky-Watcher USA have sent to us for testing.
I acquired the data in Color using LRGB Filters and I added H-Alpha to the red channel and as a luminance layer. For the Hubble Palette image these were captured using Chroma 5nm filters, Ha was binned 1x1, OIII and SII binned 2x2.
I’m very impressed with the Sky-Watcher 150 Esprit, using the big chip QHY16200A CCD Monochome camera with an OAG the Esprit 150 gives a very sharp image and a nice flat field, (Sky-Watcher quote a 43mm image circle), although a little slower than the TAK130, image quality is superb and unlike many APO refractors I have owned or tested the Esprit has a dedicated Field Flattener/corrector. For Autofocusing we purchased the Starizona Micro-Touch stepper motor which slips onto the dual speed side of the focuser, I’m using TheSkyX @ focus 3 for autofocus and it works great.
Total Integration time: HaLRGB 8.25 hours
Image capture details
Terry Hancock downunderobservatory.com
Location: GrandMesaObservatory.com Purdy Mesa, Colorado
LRGB Image
Dates: August 3rd 2018
LRGB, 240 min, 6 x 600 sec each, bin 1x1
H-Alpha 255 min, 17 x 900 sec, bin 1x1
Camera: QHY16200A
Gain 0, Offset 130, Calibrated with flat, Dark & Bias
Optics: Sky-Watcher Esprit 150mm ED Triplet APO Refractor
Filters by Chroma (Narrowband are 5nm)
Image Acquisition software Maxim DL5
Pre Processed in Pixinsight
Post Processed in Photoshop
The Bubble Nebula (NGC 7635)
NGC 7635, also called the Bubble Nebula, Sharpless 162, or Caldwell 11, is a H II region emission nebula in the constellation Cassiopeia. It lies close to the direction of the open cluster Messier 52 which can be seen in this image upper left. The "bubble" is created by the stellar wind from a massive hot, 8 magnitude young central star. 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. It was discovered in 1787 by William Herschel
Last nights waxing gibbous Moon with some moderately clear skies! A nice change from days of unending UK rain...
This is a stack of 15 images taken through my SkyWatcher 130 PDS.
Image Details:
Taken with my Canon 600D
Telescope: SkyWatcher 130PDS Reflector (650mm)
F-stop: f/5
Shutter: 1/500 sec.
ISO: 100
Edited in Adobe Lightroom & Photoshop
SkyWatcher 200/1000 Newton
EQ6-PRO GoTo mount
Canon EOS 70D
Baader MPCC MkIII
Lacerta/MGEN standalone autoguider
24*300s exp.
ISO 800
2018.10.05.
Mogyoród, Hungary
Skywatcher 190MN, NEQ6 mount, Altair Tri-band filter, ASI294MC Pro at -20C.
28 x 5 minute exposures (2 hours 20 minutes) at Gain 120, Offset 30, 50 dark frames, 50 flat fields and 50 dark flat frames.
Processed in APP, Pixinsight, Topaz denoise and Photoshop.
Imaged between 19:42 and 22:40 on the 27th of January, 2022.
Passing clouds and puffs of wind.
Taken with a Skywatcher ED80 Refractor with a Canon 600D at prime focus. Best 20 of 40 images stacked with Autostakkert 2. No filters used. Average seeing but most frames had light fast moving cloud in them which causes stacking problems due to the varying brightness of each frame. Registax 6 failed to achieve a clean stack due to this I think. Could have easily removed the tinges of false colour but liked it better this way . None of the single frames had any false colour whatsoever so putting this down to seeing and cloud. Going to check the ED80's focuser alignment tomorrow though all the same as haven't checked it for 3-4 years :-) The Lens cell is not collimatable on this scope.
Skywatcher 190MN, NEQ6 mount, Altair Tri-band filter, ASI294MC Pro at -20C. 50 x 5 minute exposures (4 hours 10 minutes) at Gain 120, Offset 30, 50 dark frames, 50 flat fields and 50 dark flat frames.
Processed in APP, Pixinsight (based on www.youtube.com/watch?v=QV6ObLVRvNk ), Topaz denoise and Photoshop.
Passing clouds and occasional puffs of wind, 6 hours of data unusable.
19:38 - 05:15 UTC, 3rd/4th November 2021.
Taken with a Skywatcher ED80 Refractor with a Baader Astrosolar Filter fitted. A Canon 600D was at prime focus
Soul Nebula image taken on Dec 11, 2023. 3.8 hours of 3 minute sub-images (76x180 sec.)
.
Equipment and site: QHY294c, Baader UHC-S filter, Astro-Tech AT60ED at F/4.8, SkyWatcher GTi goto mount. SharpCap 4.x LiveStacking for acquisition. Location was a metro area with a Bortle 7-8 sky, 34 degrees F, clear, transparent.
A difficult target at my focal length. 5 hours data, 2 minutes subs ISO1600. Sky-Watcher Evostar 72ED and modified Canon DSLR
NGC 7380 (also known as the Wizard Nebula) is an open cluster discovered by Caroline Herschel in 1787. William Herschel included his sister's discovery in his catalog, and labelled it H VIII.77. It is also known as 142 in the 1959 Sharpless catalog (Sh2-142). This reasonably large nebula is located in Cepheus.
Whilst I think target looks so much better in Hubble Palette (Which I am working on) here's my LRGB+HA Version
Image Details:
18x300S Luminance
15x300S Red
15x300S Green
15x300S Blue
22x600S HA (As Overlay in Red Channel)
Equipment Used:
Imaging Scope: Sky-Watcher Quattro 8-CF 8" F4
Imaging Camera: Atik Cameras 383L+ Mono CCD Cooled to -20C
Flattener: Sky-Watcher Aplanatic Coma Corrector
Guide Scope: Celestron Telescopes C80ED
Guide Camera: Qhyccd QHY5L-II
Mount: Sky-Watcher EQ8 Pro
Filter Wheel: Starlight Xpress Ltd 7x36mm EFW
Image Acquisition: Main Sequence Software Sequence Generator Pro
Stacking and Combining: Maxim-DL
Post Processing: Photoshop
SkyWatcher 70mm SK707AZ2 + Filter Thousand Oaks + barlow 2X + super 25mm.
Edited with MS Picture Manager and Photofiltre.
Taken with a Skywatcher ED100 Refractor with a Canon 600D at prime focus ( 900mm ) processed in mono as did not want a blueish sky in the picture :-) Best 15 of 45 shots stacked in Registax 6, seeing was average to poor with noticeable shimmering. All frames shot in JPG, not RAW.
Luogo: Ladispoli (Roma)
Telescopio: Skywatcher Esprit 100ED Professional F/5.5
Montatura: 10Micron Gm1000HPS
CCD: Moravian G2 8300
Filtri: Astrodon 36mm - Ha 5nm, O3 3nm, SII 5nm
Pose (non guidate):
Ha 27X600" bin 1
SII 29x600" bin1
O3 27x600" bin1
Temperatura sensore -20°
Integrazione: 13 ore, 150 min
Skywatcher 190MN, NEQ6 mount, Altair Tri-|Band filter, ASI294MC Pro at -20C. 19 x 5 minute exposures (1 hour 35 minutes ) at Gain 120, Offset 30, 50 dark frames, 50 flat fields and 50 dark flat frames.
Processed in Pixinsight Topaz denoise and Photoshop.
Collected between 1:05 and 2:40 on the 17th of March, 2022.
Lots of thin cloud illuminated by a bright moon.
More commonly known as the Crescent Nebula but sometimes called the Euro Nebula because of its resemblance to the currency.
This is the latest series of data captured and processed over 5 nights from GrandMesaObservatory.com in Purdy Mesa Western Colorado using the Sky-Watcher Esprit 150mm ED F7.0 Triplet APO Refractor courtesy of Sky-Watcher USA.
The data is from “System 2” and available through Grand Mesa Observatory’s Subscription services which you can read more about here: grandmesaobservatory.com/equipment-rentals
The 2 renderings in Hubble Palette (SHO) and the more natural LRGB with H-Alpha and OIII were assembled and processed in Photoshop CC, we acquired the data using the QHY163M Monochrome CMOS and all 7 filters LRGB and Narrowband Ha, OIII and SII Filters by Optolong
In the Hubble Palette version the H-Alpha is mapped to Green, SII is mapped to Red and OIII is mapped to Blue and I used the natural stars from LRGB. With the LRGB version H-Alpha is mapped to red and OIII mapped to blue.
57 individual frames make up these images having a total Integration time of 12.8 hours
Image technical and capture details
By: Terry Hancock
Location: GrandMesaObservatory.com Purdy Mesa, Colorado
Dates: captured over 5 nights May 24, 25th, 29th, June 3rd and 8th 2019
H Alpha 19x900
OIII 12x900
SII 13x900
LUM 4x600
RGB 3x600
Camera: QHY163M Monochrome CMOS with 4/3-Inch sensor
Gain 85, Offset 77, Calibrated with Flat, Dark & Bias
Optics: Sky-Watcher Esprit 150mm ED Triplet APO Refractor
Filters by Optolong
Image Acquisition software Maxim DL6.0
Pre Processed in Pixinsight
Post Processed in Photoshop
The Crescent Nebula, located near the middle star that marks the heart of the constellation Cygnus, is a complex arc of gas that’s powered by the machinations of a massive dying star. Called WR 136, this star is just 4-5 million years old, but it’s big enough to have quickly burned through its store of fuel in its core and has now entered a stage where it sheds mass from its outer layer at a prodigious rate, nearly one full solar mass every 10,000 years. This fast-moving hot gas, which moves at a speed of 2,000-3,000 km/s, collides with cooler gas ejected by the star during its quieter days, and the collision excites the gas to emit light. Massive and mass-losing stars like WR 136 are called Wolf-Rayet stars. There are only about 150 such stars known in the Milky Way.
WR 136 will eventually detonate as a supernova when it finally runs of fuel and collapses. The explosion will obliterate the nebula and most other material within several dozen light years of the star. In its place will be a new type of nebula called a “supernova remnant” that consists of a rapidly expanding shock wave that excite the scant atoms lingering in the interstellar medium.
The location of the Crescent Nebula near the star Sadr in the constellation Cygnus, spread out over about 25 light years and lies at a distant 4,700 light years. It’s sometimes called the “Euro” nebula because of its resemblance to the symbol for the currency.
Explanation by publisher and author Brian Ventrudo from one of my ealier images cosmicpursuits.com/275/the-crescent-nebula/
Skywatcher 190MN, NEQ6 mount, Altair Tri-|Band filter, ASI294MC Pro at -20C. 28 x 5 minute exposures (2 hour 20 minutes ) at Gain 120, Offset 30, 50 dark frames, 50 flat fields and 50 dark flat frames.
Processed in Pixinsight Topaz denoise and Photoshop.
Collected between 20:03 and 22:21 on the 22nd of March, 2022.
Passing thin clouds.
Total of 10 hours.
M: Skywatcher EQ-5 Pro GoTO
S: Lacerta 72/432 F6
R: Skywatcher 0,85x
C: Pentax K-1
F: Optolong L-eXtreme 2"
G: Orion 50mm mini
GC: ZWO ASI 120mm Mini
Exposures:
Light: 10x300s, ISO12800
110x300s, ISO3200
Skywatcher 190MN, NEQ6 mount, Tri-band filter, ASI294MC Pro at -20C.
NINA Observatory Software.
36 x 300 second (3 hours) at Gain 120, Offset 30, 50 dark frames, 50 flat frames, 50 dark flat frames.
Processed in APP, Pixinsight, Topaz de-noise and Photoshop.
19th September 2021
Taken with Skywatcher Esprit 120 with a modded Canon t3i on top of a Skywatcher EQ6-R Pro mount.
87 x 4min subs
20 x darks
total integration time of 5hrs 48min
bortle class 4 skies
Skywatcher 250pds with Coma corrector
Canon 1100D prime focus CLS Click filter
SW80 Guide scope using Synguider
91 lights 40 seconds ISO3200, Darks and Bias x12
DSS and PS4
My 4th and best attempt at M51 although not happy that I had to go to ISO3200. My guide scope was causing me problems which I couldn't seem to sort out quickly. So rather than waste time I decided to go with the higher ISO ( yeah desperate !) to at least acheive something. Of the 91 subs I discarded about 10%
Skywatcher 190MN, Ioptron CEM70NUC mount, Altair Tri-band filter, ASI2600MC Pro at -20C.
61 x 2 minute exposures (2 hour and 2 minutes),
Gain 100, Offset 50, 50 dark frames, 50 flat fields and 50 dark flat frames.
Processed in Pixinsight, Photoshop and Topaz.
Imaged between 22:31 and 001:30, on 5/6th of November 2022.
40% of images were unusable due to wind effects. Image needs more data...
The Eagle Nebula (catalogued as Messier 16 or M16, and as NGC 6611, and also known as the Star Queen Nebula and The Spire) is a young open cluster of stars in the constellation Serpens, discovered by Jean-Philippe de Cheseaux in 1745–46. Both the "Eagle" and the "Star Queen" refer to visual impressions of the dark silhouette near the center of the nebula,[3][4] an area made famous as the "Pillars of Creation" imaged by the Hubble Space Telescope. The nebula contains several active star-forming gas and dust regions, including the aforementioned Pillars of Creation. The Eagle Nebula lies in the Sagittarius Arm of the Milky Way.
Canon 5DSr and SW Quattro 250/F4 on a SW NEQ6 Pro. 12 x 55 sec subs , no calibration frames.
Skywatcher 190MN, NEQ6 mount, Tri-band filter, ASI294MC Pro at -20C.
NINA Observatory Software.
17 x 300 second (1 hours 25 minutes) at Gain 120, Offset 30, dithering every 3rd frame, 50 dark frames, 50 flat fields, 50 dark flat frames.
Processed in APP, Pixinsight, Topaz de-noise and Photoshop.
2nd September 2021
SkyWatcher 70mm SK707AZ2 + Filter Thousand Oaks + barlow 2X + super 25mm.
Edited with MS Picture Manager and Photofiltre.
Skywatcher 190MN, NEQ6 mount, Altair Tri-band filter, ASI294MC Pro at -20C. 29 x 5 minute exposures (2 hour 25 minutes) at Gain 275, Offset 30 , 50 dark frames and 50 flat fields, 50 dark flat frames.
Processed in APP, Pixinsight, Topaz de-noise and Photoshop.
27th September 2021, a bit windy.
Image reprocessed in Pixinsight & Photoshop 18/10/21
Skywatcher 190MN, NEQ6 mount, Altair Tri-|Band filter, ASI294MC Pro at -20C. 120 x 5 minute exposures (10 hours) at Gain 120, Offset 30, 50 dark frames, 50 flat fields and 50 dark flat frames.
Processed in Pixinsight, Topaz denoise and Photoshop.
Collected between approximately 20-30 and 23-59 on the 23rd, 24th, 25th and 26th of March, 2022.
Skywatcher 190MN, NEQ6 mount, Altair Tri-|Band filter, ASI294MC Pro at -20C. 45 x 5 minute exposures (3 hour 45 minutes ) at Gain 120, Offset 30, 50 dark frames, 50 flat fields and 50 dark flat frames.
Processed in Pixinsight Topaz denoise and Photoshop.
Collected between 0:38 to 2:07 on the 21st and between 22:35 and 1:08 on the 22nd/23rd of March, 2022.
Passing thin clouds.
Telescope: TSAPO100Q 580mm f5,8
Camera: Moravian G2-8300 (black/white)
mount: Skywatcher NEQ-6 Pro
guider: Lodestar 2 as Off-axis guider
exposures:
luminance: 1x30 + 10x10 mins
red: 1x30 + 4x15 mins
green: 1x30 + 4x15 mins
blue: 1x30 + 5x15 mins
Postprocessed in Pixinsight and Lightroom 5
Teleskop: TSAPO100Q 580mm f5,8
Kamera: Moravian G2-8300 (Schwarz/Weiß)
Montierung: Skywatcher NEQ-6 Pro
Autoguider: Lodestar 2 als Off-axis guider
Belichtungszeiten:
Luminanz: 1x30 + 10x10 min
Rot: 1x30 + 4x15 min
Grün: 1x30 + 4x15 min
Blau: 1x30 + 5x15 min
Bearbeitet mit Pixinsight und Adobe Lightroom 5
Skywatcher 130/900
QHY 5L-II mono
Barlow Televue 3x
RGB filters Astronomik
UT 21:56
Fire capture, Auto stakkert, Registax, Photoshop
Skywatcher 190MN, NEQ6 mount, Altair Tri-band filter, ASI294MC Pro at -20C. 24 x 5 minute exposures (2 hours) at Gain 120, Offset 30, 50 dark frames, 50 flat fields and 50 dark flat frames.
Processed in APP, Pixinsight Topaz denoise and Photoshop.
Collected on the evenings of 28th of December 2021 and 3rd of January, 2022.
Photo from yesterday - today it's raining here - a lot! Tussi was out briefly under the roof to our patio, but when a raindrop hit her, she rapidly ran indoors again ;)
Skywatcher 190MN, NEQ6 mount, CCD-CLS filter, ASI294MC Pro at -20C. 8 x 5 minute exposures (40 minutes ) at Gain 120, Offset 30, 50 dark frames, 50 flat fields and 50 dark flat frames.
Processed in APP, Pixinsight Topaz denoise and Photoshop.
Collected between 22:19 and 23:03 on the 6th of March, 2022.
Skywatcher 190MN, NEQ6 mount, Tri-band filter, ASI294MC Pro at -20C.
NINA Observatory Software.
34 x 300 second (2 hours 50 minutes) at Gain 120, Offset 30, 50 dark frames, 50 flat fields, 50 dark flat frames.
Processed in APP, Topaz de-noise and Photoshop.
27th August 2021
Fish Head Nebula or LBN 645
Skywatcher 200p, NEQ6 mount, Altair Triband filter, Baader MPCC M3 coma corrector, ASI294MC Pro at -20C.
NINA Observatory Software.
24 x 300 second (2 hours) at Gain 350, Offset 30, dithering every 3rd frame, 40 dark frames, 40 flat fields, 40 dark flat frames.
Processed in APP (using Ha-OIII formula), Topaz de-noise and Photoshop. .
9th/10th April 2021.
Ficha Técnica
Telescopio u objetivo: Teleskop Service TS Photoline 107mm f/6.5 Super-Apo
Cámara fotográfica: ZWO ASI1600MM-Cool
Montura: Skywatcher AZ EQ-6 GT
Telescopio u objetivo de guiado: Celestron OAG Deluxe
Cámara de guiado: QHYCCD QHY5III174
Reductor de focal: Riccardi Reducer/Flattener 0.75x
Programas: Main Sequence Software Seqence Generator Pro, Pleiades Astrophoto PixInsight
Filtros: ZWO red, Astronomik CCD CLS, ZWO green, ZWO blue
Accesorios: ZWO EFW, Baader Planetarium Steeltrack 2"
Resolución: 4096x3092
Fechas: 26 de Octubre de 2017, 27 de Octubre de 2017
Tomas:
Astronomik CCD CLS: 38x90" (gain: 200.00) -20C bin 1x1
ZWO blue: 53x60" (gain: 200.00) -20C bin 1x1
ZWO green: 60x59" (gain: 200.00) -20C bin 1x1
ZWO red: 60x60" (gain: 200.00) -20C bin 1x1
Tiempo de integración: 3.8 horas
Edad lunar media: 6.55 días
Fase lunar media: 41.27%
Astrometry.net job: 1798317
A.R. (centro): 10,691 grados
Dec. (centro): 41,261 grados
Escala de píxel: 1,633 seg.arc/píxel
Orientación: 269,078 grados
Radio del campo: 1,164 grados
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: 53, 111
Astronomik 6nm Ha: 155x300s
Astronomik L-3 UV-IR Block: 132x180s
Astronomik Deep-Sky R: 20x180s
Astronomik Deep-Sky G: 20x180s
Astronomik Deep-Sky B: 20x180s
Bortle Scale: 4
Location: Isaszeg, Hungary
Acquisition date(s):
2021.02.28., 2021.03.02., 2021.03.06., 2021.03.07., 2021.03.08.,
NGC 6357 in Scorpius
Skywatcher Quattro 10" f4 Newtonian.
Skywatcher AZ Eq6 GT Mount
Orion 80mm f5 guide scope and auto guider - PHD2.
Baader MPCC Mark 3 Coma Corrector, UHC-S 'nebula' filter.
Nikon D5300 (unmodified).
Field of view (deg) ~ 1.35 x 0.90.
UHC-S - 100 x 100 sec ISO800 (14bit NEF, Long Exp. NR on).
Pixinsight and photoshop
5 October 14
reprocessed 9 Aug 15
Copyright and personal information:
My name: Cornelis van Zuilen
My website: www.CVZastro.com
Heiloo, The Netherlands
Equipment used:
Telescope: Askar 103APO
Main camera: ZWO AS2600MC AIR
Filters: Optolong UV/IR cut
Mount: Skywatcher EQ6-R Pro
Exposures:
2hr 27min
49x 180sec
Calibration frames
20 Darks
20 Flats
20 Dark flats
Processed in Pixinsight & Photoshop