View allAll Photos Tagged messier1
M1 - An Explosion in Space
Sky-watchers on Earth witnessed and wrote about a bright “supernova” (literally meaning “new star”) in the year 1054. What they were really viewing was the birth of rapidly expanding clouds from an exploding star. By the year 2021, roughly one thousand years later, these clouds have covered a distance of nearly 10 light years, and they continue to expand at a rate of about 1000 kilometers per second.
In 1840, after viewing this supernova remnant through a telescope and sketching it, astronomer William Parsons thought that it looked like a crab, and the name “Crab Nebula” caught on. If you can't see such a crab, you're not alone! With modern cameras we can collect so much more light and detail than that which could be previously captured with the eye and eyepiece combo, so to me (and probably to you) it looks more like, well, an explosion in space.
See on Fluidr
OTA: PlaneWave CDK20
GUIDER: Astrodon Monster MOAG
MOUNT: PlaneWave L-500
CAMERA: FLI ML-16803
GUIDE CAMERA: QHY 5-III 174 M
REDUCER: N/A
SOFTWARE: SGP, PhD2, PWI 3 & 4, Pixinsight, Starnet++, Photoshop, various plugins
FILTERS: Astrodon NII 3nm, Hα 3nm, OIII 3nm, RGB
ACCESSORIES: Pegasus UPB
LOCATION: SRO
To see more of my work and to buy prints visit www.jklovelacephotography.com/pages/space
A couple of things about the Crab... First, it's not M1 because it's the brightest faint fuzzy in Messier's catalog, rather it was the first one he recognized as a permanent fixture in the sky which could confuse comet hunters. Second, the "crab" relationship makes more sense when you see the fuzzy gray blob through a small backyard telescope. The intricate structure you see here is a modern construct which is less evocative of crab than some sort of crazy single-celled organism. Messier didn't have the narrowband filters, CMOS cameras, and computing power that lets me extract all sorts of detail from a little backyard scope, too bad for him!
Tech Stuff: Borg 71FL/1.08 Borg Flattener/QHY 163 mono/iOptron CubePro. 8 second unguided exposures captured in SharpCap LiveStacks: Night 1 H-alpha (red channel) 132 minutes total; Night 2 Oiii (blue and green channels) 126 minutes total. Processed in PixInsight, finished in ACDSee. From my yard in Westchester 10 miles north of NYC during December's full moon.
Messier 1
The remnant of a supernova which occurred in 1054 CE.
```````````````````````````````````````````````````````````````````````````````````````````````````````````````
Constellation: Taurus
Magnitude: +8.4
Apparent size: 6 x 4 arc min.
Diameter: 10.8 light years.
Distance: 6,200 light years.
``````````````````````````````````````````````````````````````````````
Image date: 2021-01-16.
Exposure: 120 min (160 x 45 sec).
Field of View: 76.3 x 50.8 arcmin.
``````````````````````````````````````````````````````````````````````
My Flickr Astronomy Album: www.flickr.com/photos/ggreybeard/albums/72157668190340861
15th magnitude comet 226P Pigott-LINEAR-Kowalski when it passed within half a degree of the 8th magnitude Crab Nebula, M1.
RGB bicolor mix
distance 6300 Lj
Equipment:
TS 10" f/4 ONTC Newton
1000mm f4
GPU Aplanatic Koma Korrector
Moravian CCD G2-8300FW
Astrodon LRGB
Astronomik Ha Filter
Astronomik OIII Filter
Losmandy G11/LFE Photo
Guding:
Lodestar on TS Optics - ultra short 9mm Off Axis Guider
PHD2
6x900s red
6x300s green
6x900s blue
8x900s OIII
30x900s h-alpha
total exposure time: ca. 13 hour
Processing: PixInsight/CaptureOne
● Target data:
► M1 | NGC1952
► Stellar coordinates:
-Ra: 05h 34m 31.94s
-DEC: +22° 00′ 52.2″
► Distance: 6500±1600 ly
► Constellation: Taurus
● Gear:
► Telescope: SW 200/1000 F5
► Mount: IOptron CEM60-ec
► Camera: Canon EOS 700d astrodon
► Autoguiding: guidescope 50mm microspeed + ZWO asi
120mm
► Other optic(s): Baader mpcc mk3 coma corrector
► Filter(s): Astronomik CLS CCD eos clip
● Softwares:
► Preprocessing: PixInsight
► Autoguiding: PHD guiding 2
► Processing: PixInsight
● Data acquisition:
► 45 X 200 sec, total 2H30
► ISO 800
► Date: 12/02/2021
● Target data:
► M1 | NGC1952
► Stellar coordinates:
-Ra: 05h 34m 31.94s
-DEC: +22° 00′ 52.2″
► Distance: 6500±1600 ly
► Constellation: Taurus
● Gear:
► Telescope: SW 200/1000 F5
► Mount: IOptron CEM60-ec
► Camera: Canon EOS 700d astrodon
► Autoguiding: guidescope 50mm microspeed + ZWO asi
120mm
► Other optic(s): Baader mpcc mk3 coma corrector
► Filter(s): Astronomik CLS CCD eos clip
● Softwares:
► Preprocessing: PixInsight
► Autoguiding: PHD guiding 2
► Processing: PixInsight
● Data acquisition:
► 45 X 200 sec, total 2H30
► ISO 800
► Date: 12/02/2021
After attending a remote imaging workshop with Pete Williamson, I was given access to some data taken by the Faulkes Remote Imaging Network to process. I absolutely love M1 the Crab Nebula so I was very excited to have a go at processing this data set.
Taken with a 2 metre F10 telescope. 6 minutes each of H-alpha, Green and Blue. Each channel was stacked with Deep Sky Stacker and processed using Photoshop CS2, Lightroom and Fast Stone Image Viewer
This is only the second time I've processed remote imaging data.
● Target data:
► M1 | NGC1952
► Stellar coordinates:
-Ra: 05h 34m 31.94s
-DEC: +22° 00′ 52.2″
► Distance: 6500±1600 ly
► Constellation: Taurus
● Gear:
► Telescope: SW 200/1000 F5
► Mount: IOptron CEM60-ec
► Camera: Canon EOS 700d astrodon
► Autoguiding: guidescope 50mm microspeed + ZWO asi
120mm
► Other optic(s): Baader mpcc mk3 coma corrector
► Filter(s): Astronomik CLS CCD eos clip
● Softwares:
► Preprocessing: PixInsight
► Autoguiding: PHD guiding 2
► Processing: PixInsight
● Data acquisition:
► 45 X 200 sec, total 2H30
► ISO 800
► Date: 12/02/2021
La nébuleuse du Crabe (M1, NGC 1952, Taurus A, Taurus X-1) est un rémanent de supernova résultant de l'explosion d'une étoile massive en supernova historique (SN 1054) observée par un astronome chinois durant la période de la dynastie Song de juillet 1054 à avril 1056
Située à une distance de ∼6 300 a.l. de la Terre, dans la constellation du Taureau, la nébuleuse a un diamètre de ∼10 a.l. et sa vitesse d'expansion est de 1 500 km/s, (source Wikipédia).
Instrument de prise de vue: Sky-watcher T250/1000 Newton F4
Caméra d'imagerie: ZWO ASI294 MC-Cool
Monture: Skywatcher AZ-EQ6 Pro Goto USB
Instrument de guidage: Diviseur optique OAG - ZWO
Caméra de guidage: ZWO ASI120 mini
Logiciels: Stellarium - ScharpCap - PHD2 Guiding - Siril - Darktable - Gimp - Fitswork - FastStone Images Viewer
Filtres: Anti-pollution lumineuse TS CLS NEBULA (M48) - IR-Cut / IR-Block ZWO (M48)
Accessoire: GPU coma-correcteur Sky-watcher
Dates: 04 Février 2022- 21h30
Images unitaires: (168x30")x6 + Darks - Flats - Gain 400
Intégration: 1 h.24' x6
Échantillonnage: 0.955 arcsec/pixel
Seeing: 2.33 "Arc
Phase de la Lune (moyenne): 11%
First in Messier's catalogue of things that weren't comets. This exploded star continues to evolve and makes for a fun winter imaging target.
Tech Stuff: Questar 3.5"/ ZWOASI 533Pro/ Idas LPS V4 filter/ RST-135E mount. 5.5 hours of unguided 15-second exposures, captured in 6-minute livestacks in SharpCap 4.1 From my Bortle 7 yard in Westchester County; 3 nights around New Years Day 2024.
The Crab Nebula is a Supernova remnant lying in the constellation of Taurus. Its name derives from the crab-like drawing produced by William Parsons - 3rd Earl of Rosse from his observation.
Lying at a distance of 6500ly the originating bright Supernova was observed by Chinese astronomers in 1054. At its heart is the Crab Pulsar a neutron star with a diameter of 17-19miles!! and a spin rate of over 30 times per second!!!
The nebula is oval shaped and appears as a mass of filaments - believed to be the remains of the originating star's atmosphere.
La nébuleuse du Crabe, dans la constellation du Taureau à 1600 mm (équivalent à 2400 mm en 24x36: 29 photos, 20 Darks, 18 Offsets ; 15 Flats. Assemblage dans IRIS et cosmétique dans Photoshop CS4. Nikon D5300 modifié astro par Eos for Astro, Skywatcher Quattro 400 et d'une Barlow 2x (F=1600mm, D=200mm) Suivi à l'aide d'une Skywatcher EQ6-R Pro. Nikon D5300 avec filtre clip in LPS-V4-N5
Paramètres: 29x 80s F/8 ISO 4000, 1600mm.
Série prise le 30.03.2019 depuis mon balcon (la cible se trouvait au dessus de la ville, ce qui générait donc une importante pollution lumineuse).
The Crab Nebula (catalogue designations M1, NGC 1952, Taurus A) is a supernova remnant in the constellation of Taurus. Corresponding to a bright supernova recorded by Chinese astronomers in 1054, the nebula was the first astronomical object identified with a historical supernova explosion.
The nebula lies in the Perseus Arm of the Milky Way galaxy, at a distance of about 6,500 light years from Earth. It has a diameter of 11 light years and is expanding at a rate of about 1,500 kilometres per second, or 0.5% of the speed of light.
At the center of the nebula lies the Crab Pulsar, a neutron star 28–30 kilometres across with a spin rate of 30.2 times per second which emits pulses of radiation from gamma rays to radio waves.
20h35m total integration (R,G,B at 17,30,30x300s, Luminance 20x300s, Ha 16x1800s, OIII 9x1800s). Alcalalí, Spain 26-29/11/2017.
APM TMB 152 F8 LZOS, 10 Micron GM2000HPS, QSI6120wsg8
This new Hubble image - One among the largest ever produced with the Earth-orbiting observatory - shows gives the most detailed view so far of the entire Crab Nebula ever made. The Crab is arguably the single most interesting object, as well as one of the most studied, in all of astronomy. The image is the largest image ever taken with Hubble's WFPC2 workhorse camera. The Crab Nebula is one of the most intricately structured and highly dynamical objects ever observed. The new Hubble image of the Crab was assembled from 24 individual exposures taken with the NASA/ESA Hubble Space Telescope and is the highest resolution image of the entire Crab Nebula ever made.
Credit: ESA/Herschel/PACS/MESS Key Programme Supernova Remnant Team; NASA, ESA and Allison Loll/Jeff Hester (Arizona State University)
Read more on the ESA website:
sci.esa.int/herschel/53332-herschel-spies-active-argon-in...
Aberkenfig, South Wales
Lat +51.542 Long -3.593
Skywatcher 254mm Newtonian Reflector, Olympus E410 at prime focus. EQ6 Syntrek Mount.
Out of 25 frames captured (50s at ISO 800), 24 were used in the processing. Also 10 dark frames.
Processed with Deep Sky Stacker and final levels adjusted with G.I.M.P.
The light pollution at my location makes this a difficult target to image. A reasonable outcome considering equipment and the exposure times used.
The Crab Nebula (catalogue designations M1, NGC 1952, Taurus A) is the result of a supernova that was first observed and then recorded in Chinese astronomical writings in the year 1054. The Crab Nebula is found in the constellation Taurus and is about 6,700 light years away. This explosion was so bright that it was visible during daylight hours for over 20 days and remained visible in the night sky for over two years.
Observation data: J2000.0 epoch
Right ascension: 05h 34m 31.94s
Declination: +22° 00′ 52.2″
Distance: 6500 ly
Apparent magnitude (V): 8.4
Apparent dimensions (V): 420″ × 290″
Constellation: Taurus
Tech Specs: Orion 8” RC Telescope, ZWO ASI2600MC camera running at -10F, 4 Hours and 7 Minutes using 60 second exposures, Celestron CGEM-DX pier mounted, ZWO EAF and ASIAir Pro, processed in PixInsight. Image Date: November 2, 2024. Location: The Dark Side Observatory (W59), Weatherly, PA, USA (Bortle Class 4).
This is my sketch for day 59 of my UKMON Fireball Challenge, and it's a pastel sketch of the Crab Nebula. I love this object and although I've already done an acrylic painting of this object (many years ago as a gift for my husband not long after we first met), I really wanted to create a pastel sketch of it as well.
Sketched with coloured + black and white pastel pencils on black paper. My reference photo was an image of M1 that was taken with the 2 Metre Faulkes Telescope but I stacked and processed it myself. I created the transparency to the background by scraping some of the pastel pencil with a scalpel blade directly onto the paper then tapped and blended it with a dry, fluffy brush. I did several layers of that then once I was happy I used the pencils in the conventional way to add fine details. To finish, I added stars using a Posca white paint pen.
My reference photo was taken with the Faulkes 2 metre telescope, but I stacked and processed the data myself after attending a remote imaging workshop.
Just one more day of this challenge left!
This monochrome image doesn’t show the central bluish light of this unusual nebula which is part supernova remnant and part pulsar wind nebula.
The bluish colour comes from synchrotron radiation- photons emitted from electrons travelling at relativistic speeds in curved paths around the intense electromagnetic dynamo generated by the rotating neutron star which is the remnant left after the supernova explosion.
The outer fragments are lit by emission from ionised gases.
Nikon D5100 + Zenithstar 73
SVBony CLS filter
ZWO ASI224MC + WO Uniguide 120mm
Star Adventurer
November 7th, 2021
30 x 135 sec -- ISO 800
January 28th, 2022
35x120sec -- ISO 400
AstroM1
(r2x.2)
Messier 1 - The Crab Nebula in Taurus
Credit: ZTF, PanSTARRS, Giuseppe Donatiello
J2000.0 RA 05h 34m 31.94s Dec +22° 00′ 52.2″
The Crab Nebula (M1, NGC 1952, Taurus A) is a supernova remnant and pulsar wind nebula in Taurus. Corresponding to a bright supernova recorded in 1054.
At the center of the nebula lies the Crab Pulsar, a neutron star 28–30 kilometres (17–19 mi) across with a spin rate of 30.2 times per second, which emits pulses of radiation from gamma rays to radio waves.
Crab Nebula and Zeta Tauri
Credit: Dss2/Giuseppe Donatiello
05h 37m 38,685s +21° 08′ 33,16″
Zeta Tauri (ζ Tauri, ), officially named Tianguan, at 417 light-years is a 11.2 solar masses binary star in Taurus, the Bull. It has an apparent visual 3.0 magnitude. Zeta Tauri shows variation in its spectrum and brightness. The General Catalogue of Variable Stars lists it as an eclipsing variable.
Messier 1 (NGC 1952) - The Crab Nebula
05h 34m 31,97s 22° 00′ 52,1″
In 1054, Chinese astronomers report of a “guest star” that was visible in the daytime sky for about a month. The “guest star” was a supernova explosion, which gave rise to the Crab Nebula, a six-light-year-wide remnant.
With a magnitude 8.4 and located 6,500 light-years, the Crab Nebula can be spotted in small telescope. The nebula was discovered by John Bevis in 1731, and later observed by Charles Messier.
This mosaic was assembled from six Dss2 plates. RGB data from DSLR exposures.
Capture Details -
Date: November 21, 2023
Bortle Class 5 backyard, SF Bay Area (East Bay)
Nebula Capture: 8 x 600s Ha, Oiii and Sii, Dithered
Stars Capture: 10 x 60s R, G and B
Telescope: Askar 107PHQ
Camera: ZWO ASI2600MM-Pro
ZWO EFW 7x36mm
Astronomik 6nm Narrowband Filters, 36mm
Guide Camera: ZWO ASI290MM mini
ZWO OAG-L
Mount: iOptron GEM45
Calibrated with Darks, Flats and Dark Flats
ZWO ASIAIR Plus Control and Capture
Processed with DSS and Photoshop CC
La nébuleuse du Crabe - Messier 1 ✨
.
Cette nébuleuse est un rémanent (ou vestige) d’une supernova qui s’est produite en l’an 1054. On sait, d’après des témoignages d’un astronome chinois, qu’elle était visible le jour.
.
Elle est située à une distance de 6300 années-lumière de la Terre, dans la constellation du Taureau. Elle a un diamètre de 10 années-lumière.
•
Cette nébuleuse est encore en expansion. Elle s’étend à plus de 1 500 km/s...
•
Les « filaments » qui composent cette nébuleuse sont principalement constitués d'hélium et d'hydrogène ionisés. Leur température est supérieure à 10.000 degrés kelvins.
•
Au centre de la nébuleuse du Crabe, se trouve un pulsar très énergétique qui tourne sur lui-même 30 fois par seconde et rayonne autant d'énergie que 100.000 soleils...
•
- 1h30 (pose unitaire de 1min30 - 1600iso) d’exposition au 6d astrodon (Par Richard Galli)
- Skywatcher 200/1000 Neq6 pro goto
.
Merci d'avance :)
This image shows Messier 1, the Crab Nebula. This nebula is a supernova remnant dating back to 1054 where Chinese astronomers noticed a guest star that was visible in the sky for almost a month - it was actually a supernova!
Messier 1 can be seen in the constellation of Taurus during the winter months. It's a fairly small target, so a larger telescope is needed to see and capture it well.
This image was captured from my garden with a ZWO 533MM camera, Skywatcher 200P / 8" newtonian on an EQ6R Pro. Antlia Pro Ha 3nm and Ultra 2.8nm filters were used also Antlia RGB V-Pro filters were used for RGB.
Nikon D5100 + Zenithstar 73
SVBony CLS filter
ZWO ASI224MC + WO Uniguide 120mm
November 7th, 2021
30 x 135 sec -- ISO 800
AstroM1
(r2.2)
The Crab Nebula, which also goes by the names Messier 1, NGC 1952 and Taurus A, is one of the best studied astronomical objects in the sky. It is the remnant of a supernova explosion which was observed by Chinese astronomers in 1054. The tangled filaments visible in this image are the remains of the exploded star, which are still expanding outwards at about 1500 kilometres per second.
Although not visible to the naked eye due to foreground filaments of helium and hydrogen the heart of the nebula hosts two faint stars. It is one of these that is responsible for the nebula that we see today — a star that is known as the Crab Pulsar, or CM Tau. This is the small, dense, corpse of the original star that caused the supernova. It is now only about 20 kilometres in diameter and rotates around its axis 30 times every second!
The star emits pulses of radiation in all wavelengths, ranging from gamma rays — for which it is one of the brightest sources in the sky — to radio waves. The radiation from the star is so strong that it is creating a wave of material that is deforming the inner parts of the nebula. The appearance of these structures changes so fast that astronomers can actually observe how they reshape. This provides a rare opportunity as cosmic timescales are usually much too long for change to be observed to this extent.
The data from the Wide Field Imager on the MPG/ESO 2.2-metre telescope at ESO’s La Silla Observatory in Chile used to make this image were selected from the ESO archive by Manu Mejias as part of the Hidden Treasures competition.
More information: www.eso.org/public/images/potw1523a/
Credit:
ESO / Manu Mejias
Shot over three hours in extremely frigid temperatures. Combined with an earlier set of data to bring out the filaments and other details,
Distancia: 6.200 años luz
Constelación: Tauro
De SkySafari: la nebulosa del cangrejo es el remanente de una estrella que explotó como supernova en el año 1054 y que fue documentada en esa época por los astrónomos chinos. Aún se sigue expandiendo como consecuencia de esa explosión.
En el centro existe el Pulsar del Cangrejo, una estrella de neutrones que gira 30.2 veces por segundo.
Es fuente de rayos X y ondas de radio. Los filamentos que se observan están compuestos de materiales que hacían parte de la antigua estrella como helio, hidrógeno, carbono, oxígeno, nitrógeno, hierro, neón y azufre. Se estima que la temperatura es de entre 11.000 y 18.000 grados.
Telescope: Celestron C9.25 Edge HD
Camera: ZWO ASI071 Pro
Focal ratio: f10
Focuser: MicroTouch Focuser
Exposure: 5hr 43 min in total at unity gain
(71 x 3min + 26 x 5min) RGB IDAS filter
Capturing software: SequenceGeneratorPro - SGP
Mount: iOptron CEM60
Guiding: Orion StarShoot Autoguider with PHD and Stellarvue F60M3
Dithering: Yes
Calibration: 30 flats, 100 darks, 100 flat darks
Processing: PixInsight
Date: 12-ene-2021 y 16-ene-2021
Location: Bogotá, Colombia
This is the Crab rendered by the ASI 294MC Pro camera. It's a pleasing sharp image but the HII tracks are attenuated by the orange/brown reds you get from this camera. I think this is due to the quite strong response of the green Bayer matrix filter at the red end of the spectrum.
Telescope is RC8 with 0.7X reducer.
Hubble's most detailed image of the Crab Nebula
This Hubble image - One among the largest ever produced with the Earth-orbiting observatory - shows gives the most detailed view so far of the entire Crab Nebula ever made. The Crab is arguably the single most interesting object, as well as one of the most studied, in all of astronomy. The image is the largest image ever taken with Hubble?s WFPC2 workhorse camera.
The Crab Nebula is one of the most intricately structured and highly dynamical objects ever observed. The new Hubble image of the Crab was assembled from 24 individual exposures taken with the NASA/ESA Hubble Space Telescope and is the highest resolution image of the entire Crab Nebula ever made.
Credit: NASA, ESA and Allison Loll/Jeff Hester (Arizona State University). Acknowledgement: Davide De Martin (ESA/Hubble)
Revisit the Crab Nebula. I had to do this again to compare with what the ASI 294MC camera captured.
This is 25 x 5 min lum and 15 each of 5 min RGB.
This was captured using the RC8 and QSI 683 camera.
Peering deep into the core of the Crab Nebula, this close-up image reveals the beating heart of one of the most historic and intensively studied remnants of a supernova, an exploding star. The inner region sends out clock-like pulses of radiation and tsunamis of charged particles embedded in magnetic fields.
The neutron star at the very center of the Crab Nebula has about the same mass as the Sun but compressed into an incredibly dense sphere that is only a few miles across. Spinning 30 times a second, the neutron star shoots out detectable beams of energy that make it look like it is pulsating.
This Hubble Space Telescope snapshot is centered on the region around the neutron star (the rightmost of the two bright stars near the center of this image) and the expanding, tattered, filamentary debris surrounding it. Hubble's sharp view captures the intricate details of glowing gas, shown in red, that forms a swirling medley of cavities and filaments. Inside this shell is a ghostly blue glow that is radiation given off by electrons spiraling at nearly the speed of light in the powerful magnetic field around the crushed stellar core.
The neutron star is a showcase for extreme physical processes and unimaginable cosmic violence. Bright wisps are moving outward from the neutron star at half the speed of light to form an expanding ring. It is thought that these wisps originate from a shock wave that turns the high-speed wind from the neutron star into extremely energetic particles.
When this "heartbeat" radiation signature was first discovered in 1968, astronomers realized they had discovered a new type of astronomical object. Now astronomers know it's the archetype of a class of supernova remnants called pulsars — or rapidly spinning neutron stars. These interstellar "lighthouse beacons" are invaluable for doing observational experiments on a variety of astronomical phenomena, including measuring gravity waves.
Observations of the Crab supernova were recorded by Chinese astronomers in 1054 A.D. The nebula, bright enough to be visible in amateur telescopes, is located 6,500 light-years away in the constellation Taurus.
For more information please visit:
hubblesite.org/image/3760/news_release/2016-26
Credit: NASA and ESA
Acknowledgment: J. Hester (ASU) and M. Weisskopf (NASA/MSFC)
Full write-up here: theastroenthusiast.com/outflows-and-shockwaves-in-the-the...
Normally, space is portrayed as static. With objects thousands of light years across, and tens of thousands of parsecs away, what change could we possibly see from earth?
Yet in this video of the crab nebula, we see a dynamic object expanding, rife with shockwaves and speeding outflows. Over the course of 1260 days (3.5 years), we can see the gas in the nebula expand at a blistering pace by about 163,296,000,000 kilometers, or about 0.017 light years. So what’s causing these outflows?
At the center of the Crab Nebula are two faint stars, one of which is the star responsible for the existence of the nebula. It was identified as such in 1942, when Rudolf Minkowski found that its optical spectrum was extremely unusual. The region around the star was found to be a strong source of radio waves in 1949 and X-rays in 1963, and was identified as one of the brightest objects in the sky in gamma rays in 1967. Then, in 1968, the star was found to be emitting its radiation in rapid pulses, becoming one of the first pulsars to be discovered.
Pulsars are sources of powerful electromagnetic radiation, emitted in short and extremely regular pulses many times a second. They were a great mystery when discovered in 1967, and the team who identified the first one considered the possibility that it could be a signal from an advanced civilization. However, the discovery of a pulsating radio source in the center of the Crab Nebula was strong evidence that pulsars were formed by supernova explosions. They now are understood to be rapidly rotating neutron stars, whose powerful magnetic fields concentrates their radiation emissions into narrow beams.
The Crab Pulsar is believed to be about 28–30 km (17–19 mi) in diameter; it emits pulses of radiation every 33 milliseconds. The energy released as the pulsar slows down is enormous, and it powers the emission of the synchrotron radiation of the Crab Nebula, which has a total luminosity about 75,000 times greater than that of the Sun. The pulsar’s extreme energy output creates an unusually dynamic region at the center of the Crab Nebula. While most astronomical objects evolve so slowly that changes are visible only over timescales of many years, the inner parts of the Crab Nebula show changes over timescales of only a few days. The most dynamic feature in the inner part of the nebula is the point where the pulsar’s equatorial wind slams into the bulk of the nebula, forming a shock front. The shape and position of this feature shifts rapidly, with the equatorial wind appearing as a series of wisp-like features that steepen, brighten, then fade as they move away from the pulsar to well out into the main body of the nebula.
Website: theastroenthusiast.com/
Instagram: www.instagram.com/the_astronomy_enthusiast/
Distancia: 6.200 años luz
Constelación: Tauro
De SkySafari: la nebulosa del cangrejo es el remanente de una estrella que explotó como supernova en el año 1054 y que fue documentada en esa época por los astrónomos chinos. Aún se sigue expandiendo como consecuencia de esa explosión.
En el centro existe el Pulsar del Cangrejo, una estrella de neutrones que gira 30.2 veces por segundo.
Es fuente de rayos X y ondas de radio. Los filamentos que se observan están compuestos de materiales que hacían parte de la antigua estrella como helio, hidrógeno, carbono, oxígeno, nitrógeno, hierro, neón y azufre. Se estima que la temperatura es de entre 11.000 y 18.000 grados.
Telescope: Celestron C9.25 Edge HD
Camera: ZWO ASI071 Pro
Focal ratio: f10
Focuser: MicroTouch Focuser
Exposure: 5hr 43 min in total at unity gain
(71 x 3min + 26 x 5min) RGB IDAS filter
Capturing software: SequenceGeneratorPro - SGP
Mount: iOptron CEM60
Guiding: Orion StarShoot Autoguider with PHD and Stellarvue F60M3
Dithering: Yes
Calibration: 30 flats, 100 darks, 100 flat darks
Processing: PixInsight
Date: 12-ene-2021 y 16-ene-2021
Location: Bogotá, Colombia
Messier 1 - The Crab Nebula in Taurus
Credit: ZTF, Giuseppe Donatiello
J2000.0 RA 05h 34m 31.94s Dec +22° 00′ 52.2″
The Crab Nebula (M1, NGC 1952, Taurus A) is a supernova remnant and pulsar wind nebula in Taurus. Corresponding to a bright supernova recorded in 1054.
At the center of the nebula lies the Crab Pulsar, a neutron star 28–30 kilometres (17–19 mi) across with a spin rate of 30.2 times per second, which emits pulses of radiation from gamma rays to radio waves.
Raw data processed from Liverpool Telescope public archive:
R,G,B:20,20,20x90s bin2, Ha:15x120s bin2
Telescope: Ritchey-Chrétien Cassegrain 2.0m@f/10
Camera: IO:O
In 1054AD, Chinese skywatchers saw an impressive sight. That year, a star in the constellation Taurus decided to go supernova, and the supernova was so bright, it was visible in broad daylight for approximately one year after the light from the initial explosion reached Earth.
Today, the remnants of that explosion is known as Messier 1, AKA the Crab Nebula.
This is a reprocessed shot of one grabbed a couple nights ago - a 50-minute total exposure integration.
Captured with a Nikon D5100 coupled to a Meade LX200 f/6.3 Wide-Field Schmidt-Cassegrain telescope.
85 30-second exposures stacked in Deep Sky Stacker, with final processing in Photoshop CS6 and Lightroom 5.5.
Reworked version from old H-Alpha/OIII/S2 narrowband data.
Color Assignment:
R <= H-Alpha + S2
G <= OIII
B <= 0.85 * OIII + 0.15 * H-Alpha
A star's spectacular death in the constellation Taurus was observed on Earth as the supernova of 1054 A.D. Now, almost a thousand years later, a super dense object -- called a neutron star -- left behind by the explosion is seen spewing out a blizzard of high-energy particles into the expanding debris field known as the Crab Nebula. X-ray data from Chandra provide significant clues to the workings of this mighty cosmic "generator," which is producing energy at the rate of 100,000 suns..
.
This composite image uses data from three of NASA's Great Observatories. The Chandra X-ray image is shown in blue, the Hubble Space Telescope optical image is in red and yellow, and the Spitzer Space Telescope's infrared image is in purple. The X-ray image is smaller than the others because extremely energetic electrons emitting X-rays radiate away their energy more quickly than the lower-energy electrons emitting optical and infrared light. Along with many other telescopes, Chandra has repeatedly observed the Crab Nebula over the course of the mission's lifetime. The Crab Nebula is one of the most studied objects in the sky, truly making it a cosmic icon.
This image shows a composite view of the Crab nebula, an iconic supernova remnant in our Milky Way galaxy, as viewed by the Herschel Space Observatory and the Hubble Space Telescope. Herschel is a European Space Agency (ESA) mission with important NASA contributions, and Hubble is a NASA mission with important ESA contributions.
A wispy and filamentary cloud of gas and dust, the Crab nebula is the remnant of a supernova explosion that was observed by Chinese astronomers in the year 1054.
The image combines Hubble's view of the nebula at visible wavelengths, obtained using three different filters sensitive to the emission from oxygen and sulphur ions and is shown here in blue. Herschel's far-infrared image reveals the emission from dust in the nebula and is shown here in red.
While studying the dust content of the Crab nebula with Herschel, a team of astronomers have detected emission lines from argon hydride, a molecular ion containing the noble gas argon. This is the first detection of a noble-gas based compound in space.
The Herschel image is based on data taken with the Photoconductor Array Camera and Spectrometer (PACS) instrument at a wavelength of 70 microns; the Hubble image is based on archival data from the Wide Field and Planetary Camera 2 (WFPC2).
The Messier Catalog, sometimes known as the Messier Album or list of Messier objects, is one of the most useful tools in the astronomy hobby. In the middle of the 18th century, the return of Halley's comet helped to prove the Newtonian theory, and helped to spark a new interest in astronomy. During this time, a French astronomer named Charles Messier began a life-long search for comets. He would eventually discover 15 of them. On August 28, 1758, while searching for comets, Messier found a small cloudy object in the constellation Taurus. He began keeping a journal of these nebulous (cloudy) objects so that they would not be confused with comets. This journal is known today as the Messier Catalog, or Messier Album. The deep sky objects in this catalog are commonly referred to as Messier objects.
This Hubble image gives the most detailed view of the entire Crab Nebula ever. The Crab is among the most interesting and well studied objects in astronomy. This image is the largest image ever taken with Hubble's WFPC2 camera. It was assembled from 24 individual exposures taken with the NASA/ESA Hubble Space Telescope and is the highest resolution image of the entire Crab Nebula ever made.
This image shows Messier 1, the Crab Nebula. This nebula is a supernova remnant dating back to 1054 where Chinese astronomers noticed a guest star that was visible in the sky for almost a month - it was actually a supernova!
Messier 1 can be seen in the constellation of Taurus during the winter months. It's a fairly small target, so a larger telescope is needed to see and capture it well.
This image was captured from my garden with a ZWO 533MM camera, Skywatcher 200P / 8" newtonian on an EQ6R Pro. Antlia Pro Ha 3nm and Ultra 2.8nm filters were used, also Antlia RGB V-Pro filters were used for RGB.