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M108 & M97
Between 1745 and 1781 French astronomer and comet hunter Charles Messier compiled a list of 110 fuzzy objects that remained at fixed positions in the sky. The purpose of the list was to help people not waste their time observing fuzzballs that don't move across the stars. It was a list of things UNINTERESTING to Messier. Now labeled M1-M110, the complete list of 109 (Wait, wasn't it 110? That's a story for another day...) fuzzy blobs in the sky are known to be star clusters, nebuale and galaxies. A popular astronomy challenge is to observe as many Messier objects as possible in a single night. A fun photographic challenge is to capture images of all 109 objects. I recorded these a few nights ago when it happened to be clear, but the slightly gibbous moon was too bright to bring out any serious detail and dew began to coat the camera later in the night too.
The first image is M1, the Crab Nebula. It is the remains of a star that went supernova, and supposedly the stellar explosion could be seen in daylight in 1054 A.D. The bright star in the image is called Tianguan, in the constellation Taurus, just above Orion's head.
In the second image is M108, an almost edge-on spiral galaxy, and my field of view was inadverdently wide enough to also capture M97, a so-called planetary nebula, the remains of a Sun-like star that has reached the end of its life. The bright star in the image is Merak, one of the stars in the scoop of the Big Dipper.
Hopefully I'll capture better images of these this year, but so far , 3 out of 109 objects captured!
#messiercatalogue #messier1 #crabnebula #messier97 #owlnebula #messier108 #deepskyphotography #astrophotography
Deuxième traitement sur la nébuleuse du crabe (M1) : moins saturé, moins vert... mais bof quand même.
La nébuleuse Messier 1, dite «nébuleuse du crabe», fameux rémanent de Supernova. Un peu déçu : c'est petit et pas très détaillé... et trop vert.
This photo shows a three colour composite of the well-known Crab Nebula (also known as Messier 1), as observed with the FORS2 instrument in imaging mode in the morning of November 10, 1999. It is the remnant of a supernova explosion at a distance of about 6,000 light-years, observed almost 1,000 years ago, in the year 1054. It contains a neutron star near its center that spins 30 times per second around its axis (see below). In this picture, the green light is predominantly produced by hydrogen emission from material ejected by the star that exploded. The blue light is predominantly emitted by very high-energy ("relativistic") electrons that spiral in a large-scale magnetic field (so-called synchrotron emission). It is believed that these electrons are continuously accelerated and ejected by the rapidly spinning neutron star at the centre of the nebula and which is the remnant core of the exploded star. This pulsar has been identified with the lower/right of the two close stars near the geometric center of the nebula, immediately left of the small arc-like feature, best seen in ESO Press Photo eso9948. Technical information: ESO Press Photo eso9948 is based on a composite of three images taken through three different optical filters: B (429 nm; FWHM 88 nm; 5 min; here rendered as blue), R (657 nm; FWHM 150 nm; 1 min; green) and S II (673 nm; FWHM 6 nm; 5 min; red) during periods of 0.65 arcsec (R, S II) and 0.80 (B) seeing, respectively. The field shown measures 6.8 x 6.8 arcminutes and the images were recorded in frames of 2048 x 2048 pixels, each measuring 0.2 arcseconds. North is up; East is left. #L
This new Hubble image - among the largest ever produced with the Earth-orbiting observatory - 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.
Messier 1 – the Crab Nebula
~6500 Lightyears away in Taurus. It is the remnant of a supernova that was observed as a Guest Star on 4 July 1054 by Chinese astronomers.
The mystery of why a star clearly visible in broad daylight was not recorded in Europe was something I looked into for my final year project. I found no answer!
60 x 180s Lights
10 Darks
28 Flats
20 Bias
Skywatcher Evo100ED + 0.85 reducer/flattener
Skywatcher HEQ5Pro with EQMOD and PHD2 guiding
Altair Astro 60mm guidescope with GPCAM3 385C
Nikon D5100 astro-mod DSLR @ISO1600
IDAS D2 Light Pollution Suppression Filter
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.
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 new Hubble image - among the largest ever produced with the Earth-orbiting observatory - 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 is M1, the Crab Nebula. It is a supernova remnant and pulsar wind nebula in the constellation of Taurus, not in the crab constellation Cancer. Why call it that then?
Well, the name comes from the astronomer William Parsons, who observed it in 1842 using a 36-inch telescope and produced a drawing that looked somewhat like a crab.
Image taken on 9 October 2023.
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Camera/ Telescope Seestar S50
Light pollution filter. (Duo band OIII 30nm Ha 20nm)
16 Minutes of 10 second exposures
Frames stacked in Astro Pixel Processor
Adjusted with Photoshop CS4
RA: 05h 34m 31.94s, Dec: +22° 00′ 52.2″
The Crab Nebula (Messier 1, NGC 1952, Taurus A) is a supernova remnant and pulsar wind nebula in the constellation of Taurus. Discovered by English astronomer John Bevis in 1731, it corresponds with a bright supernova recorded by Chinese astronomers in 1054 AD as a guest star.
The central star in the nebula, the Crab Pulsar, is an optical pulsar (a type of neutron star) approximately 20 km in diameter, which formed from the collapse of its progenitor star during the supernova.
Source: Wikipedia
OTA: PlaneWave CDK 17" Astrograph
(iTelescope T21, Utah Desert Remote Observatory, USA)
Camera: FLI-PL6303E CCD camera
Array: 3072 by 2048 (6.3 Megapixels)
FOV: 32.8 x 49.2 arc-mins
PIxel size: 9 microns Square
Mount: Planewave Ascension 200HR
Guiding: Disabled
Total integration time: 27 min
Subs:
3 x 180 sec RED (bin x2)
3 x 180 sec GREEN (bin x2)
3 x 180 sec BLUE (bin x2)
Data acquisition: 04/12/2023
Calibration: iTelescope
Alignment & stacking: PixInsight
Post-processing: Photoshop & PSP2019
M1 - Crab Nebula
SHO (Hubble)
11x Ha @ 10min each
13x Oiii @ 10min each
3x Sii @ 10min each
4.5hr total at 300gain
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.
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.
M1, nébuleuse du Crabe
Constellation du Taureau
2h d'intégration
Télescope Celestron Edge HD 8
Caméra ASI533MC Pro
Monture ZWO AM5
Asiar Plus
Traitement Pixinsight et Lightroom
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 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 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.
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.