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Messier 33
Credit: DESI LIS/Giuseppe Donatiello
(J2000) RA: 01h 33m 50.02s Dec: +30° 39′ 36.7″
Messier 33 is a low-luminosity flocculent spiral galaxy at 3 million light-years in Triangulum. It is catalogued also as NGC 598 and known as Triangulum Galaxy. The galaxy is the smallest spiral galaxy in the Local Group and it is believed to be a big satellite of the Andromeda Galaxy.
M33 has two asymmetric faint arms, and an interstellar medium rich in gaseous filaments that extends for about 7 kpc. Although the inner disk is relatively undisturbed, the northern arm is less regular in shape than the southern one. M33, is a bulge-free galaxy with only two optically luminous dwarf galaxies believed to be its satellites: AndXXII (McConnachie et al., 2009; Martin et al., 2016) and Pisces VII (Martínez-Delgado et al., 2022) m discovered by me in 2020. However, given its mass, ΛCDM cosmological simulations predict that M33 should host a larger number of satellites, at least 10.
The neutral hydrogen (HI) disk is three times larger than the star-forming disk and is clearly warped. The outer disk has the same inclination as the inner one with respect to our line of sight but the position angle of the major axis changes by about 30 degrees compared to the inner disk and is more aligned with the M31 direction. While M33's undisturbed inner disk indicates that no major collisions between M31 and M33 or between M33 and a satellite have occurred in the past, the distortion could be the result of a flyby about 9 billion years ago. Timing assessments make this scenario unlikely and favor the hypothesis of a first fall of M33 in the region of influence of M31.
In September of 2017, fellow nightscape photographer Ian Williams invited me to visit him in Canberra, Australia’s capital city, for a night sky photography session. Following one of Ian’s nightscape workshops, we headed south through the town of Cooma, eventually stopping in one of the area’s characteristic rocky fields.
Despite the near-zero temperature, we spent a few hours making the most of the ultra-dark and mostly cloudless night, shooting as many compositions as we could before our fingers almost froze. Although I’ve previously shared other shots from that night, the image I’m posting today has been languishing in the depths of my hard drive for nearly four years.
As well as the Magellanic Clouds and the Milky Way, I included Ian and his ghostly double in my 38-frame panorama. The galaxies M31 and M33 are also in the picture but are almost washed out by the yellow light-bloom from Cooma, 26 km distant (16 mi).
Here are the settings and equipment I used to shoot each of the 38 frames that make up the panorama. Canon EOS 6D Mk II camera, a Rokinon 24mm f/1.4 lens @ f/2.8, using an exposure time of 15 seconds @ ISO 6400.
From Wikipedia: The Triangulum Galaxy is a spiral galaxy approximately 3 million light-years from Earth in the constellation Triangulum. It is catalogued as Messier 33 or NGC 598. The Triangulum Galaxy is the third-largest member of the Local Group of galaxies, which includes the Milky Way, the Andromeda Galaxy and about 44 other smaller galaxies. It is one of the most distant permanent objects that can be viewed with the naked eye.
Tech Specs: Sky-Watcher Esprit 120ED, ZWO ASI071mc-Pro running at -10C, Sky-Watcher EQ6R-Pro mount, 129 x 60 second exposures (calibrated with darks from the library and flats taken the next morning), guided using a ZWO 30mm f/4 mini guide scope and ZWO 120 Mini, controlled with a ZWO ASIAir Pro running v1.5 Beta software, processed in PixInsight. Image date: November 13 and November 16, 2020. Location: The Dark Side Observatory, Weatherly, PA, USA.
I recently re-processed my Triangulum Galaxy photos. Loe the way it turned out.
M33 is apart of the local group of galaxies that include our Milky Way and Andromeda. Like Andromeda it is visible with the naked eye in clear dark skies.M33 is also on a collision course with the Milky Way and Andromeda and in several billion years time they will all be merged into one galaxy.
Shot on a ZWO ASI 2600 MC PRO and TS Optics 90mm F6 APO CF Refractor Telescope.
45x600" Exposures. Shot in a Bortle 2 zone in central Texas.
©NebulosityMedia 2023
This gigantic image of the Triangulum Galaxy — also known as Messier 33 — is a composite of about 54 different pointings with Hubble’s Advanced Camera for Surveys. With a staggering size of 34 372 times 19 345 pixels, it is the second-largest image ever released by Hubble. It is only dwarfed by the image of the Andromeda Galaxy, released in 2015
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The mosaic of the Triangulum Galaxy showcases the central region of the galaxy and its inner spiral arms. Millions of stars, hundreds of star clusters and bright nebulae are visible. This image is too large to be easily displayed at full resolution and is best appreciated using the zoom tool
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More info: Hubble takes gigantic image of the Triangulum Galaxy
Credits: NASA, ESA, and M. Durbin, J. Dalcanton, and B. F. Williams (University of Washington); CC BY 4.0
Messier 33 a.k.a. Triangulum Galaxy
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As part of the local group of galaxies, along with the Milky Way, Andromeda and several other smaller galaxies, M33 is about 2.7 million light-years away from Earth and can be seen in the constellation Triangulum, a constellation that gave the galaxy its name.
Compared to our galaxy, Triangulum Galaxy is almost 2 times smaller than the Milky Way, with a diameter of about 60,000 light-years, and hosts "only" 40 billion stars, compared to almost 400 billion stars of the Milky Way.
Triangulum Galaxy, according to those passionate about astronomical observations, can be seen with the naked eye (I really couldn’t see it, not even from a Bortle 2 location), but using a small / medium telescope, this galaxy can be seen very well during the last months of the year.
Equipment and settings:
Mount: SW EQ6R
Telescope: Explore Scientific 102ED + 0.75 APM reducer
Camera: ASI 533MM Pro
Filters : LRGB Astrodon
Total integration: 13 hours
Edit in Pixinsight.
Location: my Bortle 6+ backyard
Messier 33 / M33 / NGC 598 / The Triangulum Galaxy
M33 is a spiral galaxy 2.7 million light-years away in the constellation Triangulum. It is the third-largest member of the Local Group (behind the Andromeda Galaxy and the Milky Way), with a diameter of 60,000 light-years. It contains about 40 billion stars, significantly less than the 400 billion in the Milky Way and the 1 trillion in the Andromeda Galaxy.
Total integration: 15 hours 16 minutes (916 minutes)
01/25/19: 1 x 120 seconds ISO800
01/25/19: 109 x 60 seconds ISO800
01/26/19: 104 x 60 seconds ISO800
01/27/19: 103 x 60 seconds ISO800
01/31/19: 107 x 60 seconds ISO800
10/02/19: 1 x 60 seconds ISO800
10/02/19: 98 x 120 seconds ISO400
10/03/19: 116 x 120 seconds ISO400
10/04/19: 31 x 120 seconds ISO400
Location: Charlottesville, VA
SQM: 19.22 mag/arcsec^2 (Bortle 6)
Camera: Canon T3i (stock/unmodified)
Average camera temperature: 95 F (35 C)
Telescope: Explore Scientific ED80 f/6.0 Apochromatic Refractor (with ES field flattener)
Mount: Orion Sirius EQ-G
Guide scope: Svbony 50mm f/4.0 Guide Scope
Guide camera: Orion StarShoot AutoGuider
Software: N.I.N.A. with ASTAP (slewing and plate solving), PHD2 (guiding), Magic Lantern (image capture)
Pre-processed with PixInsight, processed with PixInsight and Paint.NET
Messier 33
Credit: Giuseppe Donatiello
(J2000) RA: 01h 33m 50.02s Dec: +30° 39′ 36.7″
Messier 33 is a spiral galaxy at 3 million light-years in Triangulum. It is catalogued also as NGC 598 and known as Triangulum Galaxy. The galaxy is the smallest spiral galaxy in the Local Group and it is believed to be a big satellite of the Andromeda Galaxy.
From And450 survey
The VLT Survey Telescope (VST) at ESO’s Paranal Observatory in Chile has captured this beautifully detailed image of the galaxy Messier 33, often called the Triangulum Galaxy. This nearby spiral, the second closest large galaxy to our own galaxy, the Milky Way, is packed with bright star clusters, and clouds of gas and dust. This picture is amongst the most detailed wide-field views of this object ever taken and shows the many glowing red gas clouds in the spiral arms with particular clarity.
More information: www.eso.org/public/images/eso1424a/
Credit:
ESO
Well, for the first time in almost one year I was able to get out of town and use my telescope at a relatively dark (night sky) location where I was able to take this photo of the Triangulum Galaxy. This photo actually has about 30% less total exposure than the one I posted last week but since I had a “good” sky it actually produced a much better image (IMO). In any case, you can compare this latest result with my image from August 16 that was selected for Flickr Explore (the latter is the immediately prior image in my Flickr photo stream).
Sometimes called the Pinwheel Galaxy (which is also a commonly used name for M101) but more correctly identified by the name of the constellation in which it is located (Triangulum), this galaxy may be the most distant object that can be seen without the use of a telescope or other optical aid. But, to see it with the naked eye you need to know exactly where to look and have a very dark sky (a clear, moonless night with no light pollution).
Photographed on the morning of August 21, 2015 from a moderately dark location using a 5 inch aperture, f/5.2 telescope and an unmodified Sony NEX-5R digital camera (ISO 800, a stack of thirty-six images each exposed for 99 seconds, producing a total exposure integration time of just under 60 minutes).
Image registration, integration, and adjustments done with PixInsight with final tweaks in Photoshop CC 2015.
This image is best seen at full size (2048 x 1600) or in the Flickr light box (press the “L” key to enter the light box and/or click on the image to see it at a larger size).
All rights reserved.
The Triangulum Galaxy is a spiral galaxy 2.73 million light-years from Earth in the constellation Triangulum. It is catalogued as Messier 33 or NGC 598. The Triangulum Galaxy is the third-largest member of the Local Group of galaxies, behind the Andromeda Galaxy and the Milky Way. It is one of the most distant permanent objects that can be viewed with the naked eye. The galaxy gets its name from the constellation Triangulum, where it can be spotted. It is sometimes informally referred to as the "Pinwheel Galaxy."
M33 The Triangulum Galaxy. Imaged from London over 3 nights in December 2019.
LRGB image, ~2 hours Luminance, 30 minutes each RGB channel. ASI1600MM Pro camera & TS65 Quad Astrograph.
My attempt at making visible the IFNs surrounding the Triangulum Galaxy (M33). In contrast to the typical and well known gaseous nebulas within the plane of the Milky Way galaxy, IFNs (Integrated Flux Nebulae) lie beyond the main body of the galaxy.
M33 is over 50,000 light-years in diameter, third largest in the Local Group of galaxies after the Andromeda Galaxy and Milky Way. About 3 million light-years from the Milky Way, M33 is itself thought to be a satellite of the Andromeda Galaxy and astronomers in these two galaxies would likely have spectacular views of each other's grand spiral star systems.
Based on my own data acquired last summer from Negev Desert, total exposure time of 17 hours.
Stacked and edited in PixInsight, post processing in Photoshop CC.
Messier 33.
Located in the constellation of Triangulum.
M: iOptron EQ45-Pro
T: William Optics GTF81
C: ZWO ASI1600MC-Cooled
F: L-eNhance filter (Dual Ha,Hb & Oiii Narrowbands)
G: PHD2
GC: ZWO ASI120mini
RAW16; FITs
Temp: -20 DegC
Gain 139; Exp 400s
Frames: 25 Lights; 4 Darks; 20 flats
100% Crop
Capture: SharpCap
Processed: DSS; PS
Sky: New moon, calm, no cloud, cold, fair seeing.
2.73 million light years distant.
I’ve only ever imaged this object once before and that was back in 2014 with my un-modified Canon 1100D. As I am still testing out the Explore Scientific 16mp OSC I thought this would be a good time to take this object again. I took this over 2 nights due to some technical issues and clouds rolling in midway through my imaging session. I managed 26 usable subs out of 36 on the first night and managed an additional 9 on the second, then once again the clouds rolled in. I must do two of the most frustrating hobbies, Astrophotography and golf.😟
This object would have benefited from being taken with my Meade 115mm Apo and no focal reducer but I wasn’t going to mess around with back focusing etc etc.
Object Description:-
M33 Triangulum Galaxy is a spiral galaxy at a distanced of 2.73 million light-years away from Earth with a diameter of 61,100 light-years and is the 3rd largest member of our local group behind Andromeda and our own Milky Way. Its apparent magnitude is about 5.7 and under extremely dark skies can be seen with the naked eye. M33 can be found in the constellation of Triangulum.
EQUIPMENT:-
Explore Scientific 102mm F7 APO Carbon
Explore Scientific 0.7 Focal Reducer
Skywatcher AZ-EQ6 GT
Explore Scientific 16mp cooled OSC
Orion Mini Auto Guide
Chip Temp Cooled to -10 degC
IMAGING DETAILS:-
M33 Triangulum Galaxy
Gain 500 (Unit Gain) in APT
Dithering
36 RGB subs@480 (4h 48min)
20 Darks
25 Flats
PROCESSING/GUIDING SOFTWARE:-
APT "Astro Photograph Tools"
DSS
Siril
PS CS2
My take on the Triangulum Galaxy (Messier 33 or NGC 598). This has been a real labor of love. After a couple editing attempts in 2020 I never achieved a result I was happy with. Revisiting the project in 2021, with more data and post-processing knowledge, I’m finally happy to share my results.
The Triangulum Galaxy is a spiral galaxy located 2.73 million light-years from Earth in the Triangulum constellation, and is the third-largest member of the Local Group of galaxies behind Andromeda and our own Milky Way. The Triangulum Galaxy is some 60,000 light years in diameter. With very little sky pollution and good vision, the Triangulum Galaxy is visible to the naked eye. With binoculars and decently dark skies much more detail, including some dust lanes, begins to resolve.
Editing Details
Color data was captured with the 2600MC and Esprit 120ED (2020) and Esprit 80ED (2021). Luminance data was captured with the 2600MM, Astronomik UV/IR L2, and my new Takahashi FSQ-106EDX4. Hydrogen-alpha comes from combining monochrome data captured with the 2600MM, Esprit 120ED, and Astronomik Hα 12nm filter (2021), with red channel data captured with the 2600MC, Esprit 120ED, and Radian Triad Ultra filter (2020). Post-processing was handled in PixInsight and Adobe Photoshop. Color data was combined, cleaned up, and calibrated, and Hydrogen-alpha data was applied to accent nebulous regions. Monochrome data was processed separately (cleaned up, deconvolution, some mild star deemphasis, adjustments to bring out structure, etcetera). After combining luminance and color data stars were separated, some additional adjustments were made, and the results were sent to Photoshop for final post-processing. In Photoshop I employed J-P Metsavainio’s tone-mapping routine; processed small fuzzies background IFN (and maybe a galactic stellar stream?) separately; employed additional measures to accent detail in the galaxy and fainter signal; then recombining stars.
Total Integration Time
- 23 hours 12 minutes
Luminance Data
- 2021-10-29, 2021-11-04 (Bortle 3)
| 120x160s Astronomik UV/IR L2
| ASI2600MM, FSQ-106EDX4, CEM-40EC
Color Data
- 2020-10-20, 2020-10-21 (Bortle 8)
| 313x60s No Filter
| ASI2600MC, Esprit 120ED, CEM-70g
- 2021-09-26 (Bortle 4)
| 63x180s No Filter
| ASI2600MC, Esprit 80ED, CEM-40EC
Hydrogen-alpha and Oxygen III
- 2020-12-03, 2020-12-04 (Bortle 8)
| 63x300s Radian Triad Ultra
| ASI2600MC, Esprit 120ED, CEM-70g
- 2021-09-21 (Bortle 8)
| 43x300s Astronomik 12nm Hα
| ASI2600MM, Esprit 120ED, CEM-70g
Subject imaged at Salt Lake City, Utah (Bortle 8), Antelope Island State Park, Utah (Bortle 4), and in Skull Valley, Utah (Bortle 3), in the United States, in 2020 and 2021.
From Wikipedia: The Triangulum Galaxy is a spiral galaxy approximately 3 million light-years from Earth in the constellation Triangulum. It is catalogued as Messier 33 or NGC 598, and is sometimes informally referred to as the Pinwheel Galaxy, a nickname it shares with Messier 101. The Triangulum Galaxy is the third-largest member of the Local Group of galaxies, which includes the Milky Way, the Andromeda Galaxy and about 44 other smaller galaxies. It is one of the most distant permanent objects that can be viewed with the naked eye.
The galaxy is the smallest spiral galaxy in the Local Group and it is believed to be a satellite of the Andromeda Galaxy due to their interactions, velocities and proximity to one another in the night sky.
Tech Specs: Sky-Watcher Esprit 120mm ED Triplet APO Refractor, Celestron CGEM-DX mount, Canon 6D stock camera, 27 minutes total integration time at ISO 3200, imaged on February 6, 2018. Guided with an ZWO ASI290MC and Orion 60mm guide scope. Location: The Dark Side Observatory in Weatherly, PA.
A revised image using a combination of PixInsight and Photoshop for post-processing. I also reformatted with a 16x9 aspect ratio. This glittering galaxy deserves a wide screen viewing.
The Triangulum Galaxy is a spiral galaxy approximately 2.73 million light-years from Earth in the constellation Triangulum. It is the third-largest member of the Local Group of galaxies that also includes the Milky Way and Andromeda galaxies. Its diameter is estimated to be 60,000 light-years.
Date of capture: October 6, 2023
Bortle Class 5 backyard, SF Bay Area (East Bay)
Telescope: Askar 107PHQ
Camera: ZWO ASI2600MM-Pro
ZWO EFW 7x36mm
Astronomik Ha, L, R, G and B Filters, 36mm
Guide Camera: ZWO ASI174MM mini
ZWO OAG-L
Mount: iOptron GEM45
Calibrated with Darks, Flats and Dark Flats
ZWO ASIAIR Plus Control and Capture
Processed with DSS, Photoshop CC and PixInsight
There are three (3) galaxies visible in this shot of the night sky from out in the High Desert of California.
Most prominent is the dusty band of our very own Milkyway galaxy (opposite from the more popular galactic core) that is center/right. Next is the Andromada galaxy, 2.5 million light years distant in the center left. And lastly, about 45° up and to the left from Andromeda is Messier 33, also known as the Triangulum Galaxy, a little more than 2.7 million light years distant.
Think about that.
The light that hit my eye and my camera sensor left those objects 2.5 to 2.7 million years ago which closely approximates the timeframe for the beginning of the Pleistocene epoch here on earth. For a certain sense of scale here I will note that the earliest Homo sapiens first appeared on earth only about 300,000 years ago.
Also, FYI, Andromeda and our Milkyway are on a collision course with one another, but not to worry; they are not expected to merge for approximately another 4 and a half billion years (give or take), at which point humans will most probably have long gone extinct.
My first attempt at the Triangulum Galaxy, a spiral galaxy located 2.73 million light-years from Earth in the constellation Triangulum. It is the third-largest member of the Local Group of galaxies, behind the Milky Way and the Andromeda Galaxy. It is one of the most distant permanent objects that can be viewed with the naked eye but only in very low light polluted areas. This is right at the limit of what my scope can presently achieve so the detail is lacking. That said I had limited data here having lost half the night's effort due to a tree invading the shots.
William Optics GT81
Flat 6AIII
Optolong L-Pro filter
ZWO ASI2600MC Pro camera
HEQ5 Pro mount
43 lights at gain 100 and -10C, 300s
40 darks
40 flats
80 bias
Bortle 4/5 skies
Stacked in DSS, edited in PS and finished in LR
Messier 33.
Located in the constellation of Triangulum.
A re-process of previous light frames, using the 'Astro Pixel Processor' application. A slight crop applied ~ 85%.
M: iOptron EQ45-Pro
T: William Optics GTF81
C: ZWO ASI1600MC-Cooled
F: L-eNhance filter (Dual Ha,Hb & Oiii Narrowbands)
G: PHD2
GC: ZWO ASI120mini
RAW16; FITs
Temp: -20 DegC
Gain 139; Exp 400s
Frames: 25 Lights; 4 Darks; 20 flats
100% Crop
Capture: SharpCap
Processed: APP; PS, Astrotools
Sky: New moon, calm, no cloud, cold, fair seeing.
2.73 million light years distant.
From Wikipedia: The Triangulum Galaxy is a spiral galaxy approximately 3 million light-years from Earth in the constellation Triangulum. It is cataloged as Messier 33 or NGC 598. The Triangulum Galaxy is the third-largest member of the Local Group of galaxies, which includes the Milky Way, the Andromeda Galaxy and about 44 other smaller galaxies. It is one of the most distant permanent objects that can be viewed with the naked eye.
Observation data (J2000 epoch)
Constellation: Triangulum
Right ascension: 01h 33m 50.02s
Declination: +30° 39′ 36.7″
Distance (comoving): 970 kpc (3.2 Mly)
Apparent magnitude (V): 5.72
Tech Specs: Sky-Watcher Esprit 120ED Telescope, ZWO ASI2600MC camera running at 0F, 95x60 second, 11x300 seconds Optolong l-eXtreme filter, Sky-Watcher EQ6R-Pro pier mounted, ZWO EAF and ASIAir Pro, processed in DSS and PixInsight. Image Date: August 10, 2023 and August 16, 2023. Location: The Dark Side Observatory (W59), Weatherly, PA, USA (Bortle Class 4).
M33 is the third sister in our local group of galaxies. Smaller and fainter than Andromeda, the glittery face-on spiral makes for a good repeat imaging target.
Tech Stuff: Borg 71FL/1.08x Borg flattener/ZWO ASI533 MC Pro/ IDAS LPS V4 filter. 75 minutes of unguided 8 second exposures. From my yard in Westchester 10 miles north of New York City.
I have photographed the Triangulum Galaxy over the years, but this is the first time I have attempted it with my Meade 12″ telescope. The galaxy extends further than what is shown in this image. I’ll attempt a mosaic image as I add more data to this view. Technical details: Total exposure time was 26 minutes using 20 second subs at ISO 6400. Images were stacked using DeepSkyStacker and adjusted using the software packages ImagesPlus, Adobe Lightroom and Corel PaintshopPro X5.
With my homemade observatory and telescope Rc8 carbon
moravian G2-8300 mono
oag guide G0-0300
mount Az-Eq6
Software Pix and PS5 LRGB
L 40x300
R 37x300
G 36x300
B 35x300
Flat , dark and bias
M33 - Triangulum Galaxy
This is a faint galaxy and quite tricky to capture.
Taken on 22 August 2014.
Canon 5D Mark III
Canon 500mm f/4 L IS
AstroTrac TT320X (unguided)
31x 120 second lights (@ ISO 1600)
20x darks
20x bias
20x flats
Approximately 50% crop.
Does anyone know object in the lower left quadrant is? I'm trying to figure out if it's Andromeda Galaxy or another object This shot was facing north-north west (roughly) around 10 PM on 2/23/09.
Update: It is indeed Andromeda Galaxy (M31). Many thanks to Flickr member Skink74 for confirming.
In 1771 the French astronomer Charles Messier published a catalogue listing 110 nebulae and star clusters. He did this to help comet hunters discern between fuzzy blobs in the sky that were new comets, or already-discovered deep sky objects. Messier listed each object with the letter “M” (for Messier, of course) and a catalogue number. Unknown to Messier at the time was the fact that some of these “nebulae” were discreet galaxies like our Milky Way, located millions of light-years from us on Earth. My photo brings you three of these Messier objects, M31, M33 and M110. Apart from their dry catalogue names, two of these galaxies have the common names of the “Andromeda Galaxy” (M31) and the “Triangulum Galaxy” (M33).
I captured this photo without the use of a telescope or telephoto lens. I shot nine pictures of the foreground and sky, plus twelve “dark” frames, which were combined in software to reduce the amount of digital noise present. For all of the twenty-one images, I used the same equipment and settings. These were my Canon EOS 6D Mk II camera, a Yongnuo 50mm f/1.4 lens @ f/2.0, using an exposure time of 6.0 seconds @ ISO 12800.
M33 or Triangulum Galaxy
Skywatcher 200p on NEQ6 mount, with guiding and dithering every 10 images. Optolong CLS-CCD filter. ASI294MC Pro at -20C. 60 x 5 minute exposures (3 hours) at Gain 120, Offset 30 , 15 dark frames, 30 flat fields, 15 dark flat frames.
Processed in APP and Photoshop
The Triangulum Galaxy, M33, is the most distant object visible to the naked eye from under a dark sky. This spiral galaxy lies some 3 million light years away in the constellation Triangulum. It is part of the local group, of which the Milky Way, nearby Andromeda galaxy and some other 40 or so smaller galaxies are members. The diameter of M33 is around 60000 light years and contains about 1/10th as many stars as our own Milky Way. Red emission nebulae are clearly visible in some of the spiral arms, four of which are so large, their own NGC designation are given. These regions also have intense rates star formation. The brightest of them, NGC604, is 40 times larger and over 6000 times more luminous than the Orion Nebula. If it were in place of the Orion Nebula in our galaxy, it would be the third brightest object in the sky, outshining Venus.
Details:
Scope: TMB130SS @ f/5 and TMB130SS @ f/5.6
Reducer: Stellarvue 0.72x reducer/flattener and AT130RED (0.8x reducer)
Camera: QSI690-wsg8 (Ha) and QSI683-wsg8 (LRGB)
Guide Camera: Starlight Xpress Ultrastar
Mount: AP1100 GTO and Mach1 GTO
Lum: 23x10min
RGB: 13x5min each
Ha: 10x15min
Software: SGP, Voyager, PHD2, APCC, Pixinsight
9.6 hrs total exposure
M33 or the Triangulum Galaxy is the 2nd closest galaxy to the Milky Way after the Andromeda Galaxy and the 3rd largest galaxy in our local group.
Northfield, OH
Nov 21, 202
Equipment--
Telescope: Explore Scientific ED 80, field flattener (no reducer), 480mm focal length
Mount: Sky-Watcher EQ6R-Pro
Camera: ZWO ASI204MC-Pro
Guide scope: Williams Optics 50mm guide scope
Guide camera: ZWO ASI120MM-S
Software: NINA, PHD2
Imaging--
Lights: 35x180
Darks, Flats, DarkFlats, Bias: assorted
Sensor temp: -10.0
Filter: Optolong L-Pro 8x
Sky: Bortle 6 (nominal)
Post processing--
Software: PixInsight, Photoshop
I've always been fascinated how the Andromeda Galaxy M31 and the Triangulum Galaxy M33 form an almost straight line with the bright star Mirach (beta Andromedae), which also lies nearly symmetrically in the middle between these galaxies of our local group.
I choose this motif to try out my newly acquired (though used...) Canon 50 mm f/1.4 - something I didn't have in my lens collection so far. I'm quite happy about both the brightness of the image, and about the good star rendering until about 80% radius from the image center. Outside, there's some coma, but not too bad, and stopping down a little to f/2.2 helped a lot (and is still rather fast!).
I was surprised how much detail of the galaxies is already rendered by a 50 mm lens. If you look carefully, you can even spot the dwarf galaxy Mirach's Ghost (NGC 404) next to a diffraction spike of Mirach approximately at the 4 o'clock position.
Image information:
Lens: Canon 50 mm f/1.4 USM @ f/2.2
Camera: Canon M50 Mk. II (APS-C, with adapter to Canon EF)
Filter: none
Mount: Skywatcher Star Adventurer
Acquisition: 72x 90 s (+ a few images with accidentally longer exposure) total ~1h 55 min, @ ISO 100
Correction: darks, flats
Stacking: Deep Sky Stacker
Processing: SiRiL, fitswork, Aurora HDR 2018
This view from NASA’s Hubble Space Telescope plunges into the center of spiral galaxy Messier 33 (M33), also known as the Triangulum Galaxy.
Located within the triangle-shaped constellation Triangulum and about half the size of our Milky Way galaxy, M33 is the third-largest member of our Local Group of galaxies after the Andromeda galaxy (M31) and the Milky Way.
M33 is known to be a hotbed of starbirth, forming stars at a rate 10 times higher than the average of its neighbor, the Andromeda galaxy. Interestingly, M33’s neat, organized spiral arms indicate little interaction with other galaxies, so its rapid starbirth is not fueled by galactic collision, as in many other galaxies. The galaxy contains plenty of dust and gas for churning out stars, and numerous ionized hydrogen clouds, also called H-II regions, that give rise to tremendous star formation. Researchers have offered evidence that high-mass stars are forming in collisions between massive molecular clouds within M33.
This image captures reddish clouds of ionized hydrogen interspersed with dark lanes of dust. The apparent graininess of the image is actually swarms of countless stars. M33 is one of less than 100 galaxies close enough for telescopes like Hubble to resolve individual stars, as evident here.
Credit: NASA, ESA, M. Boyer (STScI), and J. Dalcanton (University of Washington); Processing: Gladys Kober (NASA/Catholic University of America)
#NASAMarshall #NASA #astrophysics #NASA #galaxy #ESA #NASAGoddard #galaxy #TriangulumGalaxy
M33 is a nearly face-on spiral galaxy within the Local Group of Galaxies in which the Milky Way is a member. It can be a challenging object where light pollution is an issue due to its low-surface brightness.
Within the Triangulum Galaxy resides NGC 604. This HII region is one of the most massive star-forming regions known within the local Group of Galaxies. The NGC 604 nebula is 6,300 times as luminous as the Orion Nebula (M42).
Description: This image of spiral galaxy M33 (or NGC 598), the Triangulum Galaxy, was developed from 124x300s subs or about 10 hours of total exposure time. Of interest is the presence of the irregular-shaped nebula NGC 604, an HII region, in one of the spiral arms. Initially, I found it difficult to locate NGC 604, but once I did, I decided for future reference to identify it with a magnification inset as shown in the image.
Date / Location: 1-5 December 2022 / Washington D.C.
Equipment:
Scope: WO Zenith Star 81mm f/6.9 with WO 6AIII Flattener/Focal Reducer x0.8
OSC Camera: ZWO ASI 2600 MC Pro at 100 Gain and 50 Offset
Mount: iOptron GEM28-EC
Guider: ZWO Off-Axis Guider
Guide Camera: ZWO ASI 174mm mini
Focuser: ZWO EAF
Light Pollution Filter: Chroma LoGlow Broadband
Processing Software: Pixinsight
Processing Steps:
Preprocessing: I preprocessed 124x300s subs (= 10.3 hours) in Pixinsight to get an integrated image using the following process steps: Image Calibration > Cosmetic Correction > Subframe Selector > Debayer > Select Reference Star and Star Align > Image Integration.
Linear Postprocessing: Rotation > Dynamic Crop > Dynamic Background Extractor (both subtraction to remove light pollution gradients and division for flat field corrections) > Background Neutralization > Color Calibration > Noise Xterminator.
Nonlinear Postprocessing and additional steps: Histogram Transformation > Local Histogram Equalization (2 cycles) > Curves Transformation (2 cycles) > SCNR Noise Reduction (2 cycles).
This is one of my personal favorites of my astrophotography.
An airliner flew across my image during a time-lapse photo. I presume that the plane's strobe light illuminated the plane's tail wings just at the right time.
A fortunate shot from my perspective.
Best viewed in original size. Click on the 'ALL SIZES' choice above this image.
Moonlight over the Monument Valley (Arizona)
Technical data: 28mm f/2.5 lens, 1 minute exposure on Kodak Elite 200 ISO. August 24, 2007.
The Triangulum Galaxy is a spiral galaxy 2.73 million light-years from Earth in the constellation Triangulum. It is catalogued as Messier 33 or NGC 598. The Triangulum Galaxy is the third-largest member of the Local Group of galaxies, behind the Andromeda Galaxy and the Milky Way. It is one of the most distant permanent objects that can be viewed with the naked eye. The galaxy gets its name from the constellation Triangulum, where it can be spotted.
This image from the NASA/ESA/CSA James Webb Space Telescope’s NIRCam (Near-Infrared Camera) of star-forming region NGC 604 shows how stellar winds from bright, hot young stars carve out cavities in surrounding gas and dust.
The bright orange streaks in this image signify the presence of carbon-based molecules known as polycyclic aromatic hydrocarbons, or PAHs. As you travel further from the immediate cavities of dust where the star is forming, the deeper red signifies molecular hydrogen. This cooler gas is a prime environment for star formation. Ionised hydrogen from ultraviolet radiation appears as a white and blue ghostly glow.
NGC 604 is located in the Triangulum Galaxy (M33), 2.73 million light-years away from Earth. It provides an opportunity for astronomers to study a high concentration of very young, massive stars in a nearby region.
[Image description: At the centre of the image is a nebula on the black background of space. The nebula is composed of clumpy, red, filamentary clouds. At the centre-right of the red clouds is a large cavernous bubble, and at the centre of the bubble there is an opaque blue glow with speckles of stars. At the edges of the bubble, the dust is white. There are several other smaller cavernous bubbles at the top of the nebula. There are also some smaller, red stars and a few disc-shaped galaxies scattered about the image.]
Credits: NASA, ESA, CSA, STScI
This image from the NASA/ESA/CSA James Webb Space Telescope’s MIRI (Mid-Infrared Instrument) of star-forming region NGC 604 shows how large clouds of cooler gas and dust glow at mid-infrared wavelengths. This region is a hotbed of star formation and home to more than 200 of the hottest, most massive kinds of stars, all in the early stages of their lives.
In the MIRI view of NGC 604, there are noticeably fewer stars than Webb’s NIRCam image. This is because hot stars emit much less light at these wavelengths. Some of the stars seen in this image are red supergiants — stars that are cool but very large, hundreds of times the diameter of our Sun. The blue tendrils of material signify the presence of polycyclic aromatic hydrocarbons, or PAHs.
[Image description: At the centre of the image is a nebula on the black background of space. The nebula is composed of wispy filaments of light blue clouds. At the centre-right of the blue clouds is a large cavernous bubble. The bottom left edge of this cavernous bubble is filled with hues of pink and white gas. Hundreds of dim stars fill the area surrounding the nebula.]
Credits: NASA, ESA, CSA, STScI
Here is a reprocessed version of my old Triangulum data I captured a little over a year ago! I've learned a ton about processing Astro data over the last year and my processing style has changed quite a bit, and I'm loving every second of it. I haven't been able to image since mid January because Alabama likes to be humid and produce clouds, so I'm ready to get out and enjoy galaxy season before it's over. Im planning on doing a deep exposure on my next target if the skies allow, so hopefully I'll be able to accomplish that goal. I hope you guys enjoy good ole M33 :)
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Orion 8" Astrograph
Celestron AVX
Skywatcher Quattro Coma Corrector
Stock Nikon D5500
53 x 180s lights @ ISO 200
No Darks
15 Flats
100 Bias
Total Integration Time: 2.65hrs
From Wikipedia: The Triangulum Galaxy is a spiral galaxy approximately 3 million light-years from Earth in the constellation Triangulum. It is catalogued as Messier 33 or NGC 598. The Triangulum Galaxy is the third-largest member of the Local Group of galaxies, which includes the Milky Way, the Andromeda Galaxy and about 44 other smaller galaxies. It is one of the most distant permanent objects that can be viewed with the naked eye.
The galaxy is the smallest spiral galaxy in the Local Group and it is believed to be a satellite of the Andromeda Galaxy due to their interactions, velocities and proximity to one another in the night sky.
Another test shot using the new ZWO ASI071MC-Pro camera and figuring out settings based on the target being captured.
Tech Specs: Sky-Watcher Esprit 120mm ED Triplet APO Refractor, Celestron CGEM-DX mount (pier mounted), ZWO ASI071MC-Pro, 16 x 60 second exposures, guided using a ZWO ASI290MC and Orion 60mm guide scope. Captured using SharpCap v3.2 live stacking and saved in FITS format for processing. No darks or bias frames. Image date: November 24, 2019. Location: The Dark Side Observatory, Weatherly, PA, USA.
First clear moonless night since 18 September - I feel so blessed! :)
I use the term "clear" in its loosest possible sense, as it was Guy Fawkes Night here and the smoke from bonfires and fireworks certainly didn't assist much (why do we celebrate someone NOT blowing up Parliament?!). Given the conditions, I'm quite pleased with this, but I'll give it more time if we get another clear night before it disappears :)
Always looks like a galaxy that's just got out of bed and needs combing to me :)
SW ED80/EQ5
Nikon D70 modded, Baader Neodymium filter
79 x 180secs iso 800 (just short of 4 hours)
Guiding (RA only): Quickcam Pro4000/9x50 finderscope, PHD
Stacked in DSS and processed in CS5
Sometime around the year 964 AD, a Persian astronomer named Abd al-Rahman al-Sufi made the earliest recorded sighting of what we now call the Andromeda Galaxy, describing it as a “nebulous smear” [Source: Wikipedia]. Since then, this smudge on the night sky has been thought by observers to be a variety of astronomical objects. Astronomers have estimated it to be at a wide range of distances from the Earth. As recently as 2019 the mass of the “Andromeda Nebula” when compared to our home galaxy, the Milky Way, was revised in line with new data from measurements of both galaxies.
Aside from the physical characteristics of the object, the ancient observer’s smear is renowned for its visual beauty. My little photo here doesn’t do justice to the details, colours or shape of the giant spiral that is moving through space, at a distance from Earth of 2.5 million light-years or so. Still, I do love to photograph M31 (as it’s commonly known) when I can and hope to see it someday from our Northern Hemisphere. The view of M31 there is much better than the atmospherically-blurred look that I get in my part of Australia.
This photo of M31 was taken west of Nowra, Australia, and is what is known as a “stacked” image. I shot twelve consecutive “light” frames of the scene, then took another 12 with my camera’s lens cap in place (known as “dark” frames). Next, I processed the light frames in Adobe’s Lightroom Classic Software, then made use of an app called Starry Landscape Stacker to remove a lot of the digital noise present in the original shots. I used my Canon EOS 6D Mk II camera, a Yongnuo 50mm f/1.4 lens @ f/1.8, using an exposure time of 4.0 seconds @ ISO 6400, to capture the original images.
44x 3 Min. @ISO1600 + 20x FLATs & 20x BIAS
Canon EOS 6Da
TMB 115/805 + TSFLAT2.5
Bortle 5 Sky
no Filters
80% Humidity
Camera: Atik 314L+
Scope: Orion EON80ED
Filters: Astronomik L,R,G,B,Ha
Integration Time:
Luminance - 13x1200s, 2x1800s
R,G,B - 6x600s, binned 2x2 each
Ha - 4x600s, binned 2x2
Total: 9hrs
Higher Res and larger version, also rotated to a more standard orientation: www.eprisephoto.com/galaxy/h346312ff
Started getting a good bit of dew by the time I got around to the blue channel so I had to do a bit of work to deal with the bloated stars from the slight amount that my dew heaters couldn't handle. I might shoot some more RGB & Ha tomorrow if its clear again, but the little Ha I did really makes the Red channel stand out nicely (imo)
Also considering shooting the core with the 8" scope and integrating it into this to get some nice core detail