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Un adelanto de un primer procesado de este objeto, cuyas tomas las tenía pendiente de procesar por falta de tiempo.
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An advance of a first processing of this object, whose shots I had pending processing due to lack of time.
Galaxy M101
The Pinwheel Galaxy (also known as Messier 101 or NGC 5457) is a spiral galaxy 25 million light-years (8 megaparsecs) away in the constellation Ursa Major.
It was discovered by Pierre Méchain on March 27, 1781, who later reported his discovery to Charles Messier who verified its position and added it to the Messier Catalog as one of the last entries.
It is one of the largest galaxies in the vicinity of the Milky Way, with a diameter more than twice that of the Milky Way, and is characterized both by its richness in gas to form new stars and by its high number of HII regions (more than 3000, some so large and bright that they have their own NGC number and that have been studied by the Hubble Space Telescope, showing the presence of super star clusters in at least some of them) and young star clusters (also studied with said telescope), which points to a high rate of star formation. This, together with the asymmetry it shows in the photographs (which has made it appear in Halton C. Arp's Atlas of Peculiar Galaxies as Arp 26, and defined as a spiral galaxy with a well-defined arm) suggests that -in astronomical terms- relatively recently another galaxy was about to collide with it, causing both phenomena.
This galaxy has an almost non-existent bulge, and according to recent studies it seems to lack a supermassive black hole at its center, unlike, for example, our galaxy.
M101 is accompanied by five prominent satellite galaxies: NGC 5204, NGC 5474, NGC 5477, NGC 5585, and Holmberg IV, which may be responsible for its current state - in fact, M101 appears to have distorted the galaxy NGC 5474. It is part of the M101 Group
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Observation data
(J2000 epoch)
Right ascension 14h 03m 12.6s2
Declination +54° 20′ 57″2
Apparent magnitude (V) 8.32
Apparent size (V) 28′.8 × 26′.92
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Remote Observatory "FarLightTeam"
Team: José Esteban,Bittor Zabalegui,Marc Valero, Jesús M. Vargas.
Telescope: Takahashi FSQ106 ED 530mm f/5
CCDs: QSI683 wsg8
Filters: Baader Planetarium - LRGB-Ha
Mount: 10Micron GM1000 HPS
Imaging Software: Voyager
Processing Software: PixInsight
Imaging Data:
Captured through 14 April 2022 to 05 May 2022, ( Fregenal de la Sierra ) Badajoz, Spain.
L: 64x600"
Ha:52x900"
R: 27x300"
G: 27x300"
B: 27x300"
Darks, flats, bias
Total lights 30 hours, 45 minutes
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Galaxia M101
La galaxia del Molinete (también conocida como Messier 101 o NGC 5457) es una galaxia espiral a 25 millones de años luz (8 megaparsecs) en la constelación Osa Mayor.
Fue descubierta por Pierre Méchain el 27 de marzo de 1781, quien posteriormente comunicó su descubrimiento a Charles Messier que verificó su posición y la añadió al Catálogo Messier como una de las últimas entradas.
Es una de las galaxias más grandes existentes en la vecindad de la Vía Láctea, con un diámetro de más del doble que ella, y se caracteriza tanto por su riqueza en gas para formar nuevas estrellas cómo por su elevado número de regiones HII (más de 3000, algunas tan grandes y brillantes que tienen número NGC propio y que han sido estudiadas por el Telescopio Espacial Hubble, mostrando la presencia de super cúmulos estelares al menos en algunas de ellas) y de cúmulos estelares jóvenes (también estudiados con dicho telescopio), lo que apunta a una elevada tasa de formación estelar. Ello junto a la asimetría que muestra en las fotografías (que la ha hecho aparecer en el Atlas de galaxias peculiares de Halton C. Arp cómo Arp 26, y definida cómo Galaxia espiral con un brazo bien definido) hace pensar que -en términos astronómicos- hace relativamente poco otra galaxia estuvo a punto de colisionar con ella, causando ambos fenómenos.
Esta galaxia tiene un bulbo casi inexistente, y de acuerdo a estudios recientes parece carecer de agujero negro supermasivo en su centro, a diferencia de, por ejemplo, nuestra galaxia.
M101 está acompañada por cinco galaxias satélite prominentes: NGC 5204, NGC 5474, NGC 5477, NGC 5585, y Holmberg IV, que pueden ser las responsables de su estado actual -de hecho, M101 parece haber distorsionado a la galaxia NGC 5474-. Forma parte del Grupo M101
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Datos de observación
(época J2000)
Ascensión recta14h 03m 12.6s2
Declinación+54° 20′ 57″2
Magnitud aparente (V)8.32
Tamaño aparente (V)28′.8 × 26′.92
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Source: S/Sgt. Roddy de Stacpoole's Korean War photograph album. Photo period: 1951-52.
Copyright © 2015 National Army Museum, Waiouru, New Zealand. All rights reserved. This image may not be reproduced in any material form or transmitted to any persons without permission from the National Army Museum under the Copyright Act 1994. Please contact the Archivist, Kippenberger Military Archive on +64 6 387 6911 or by post to PO Box 45, Waiouru 4861 if you would like to use the image.
On basic cameras like this, the film position is indicated by markings on the paper film backing, visible through a small red window. Cover this up when you're not using it.
The markings vary depending on the film used. This symbol means "keep winding"!
Lots of comfy hand positions to choose from. Still miss my drop bars, though. May swap out for drop bars sooner rather than later. Plus, I really miss the friction shifting for the front derailluer I had with my Ultegra bar end shifters on my old Surly.
I know it's not as modern as indexing, but indexed front shifting is not fun to set up. In fact, my front derailleur skips over the middle chainring when downshifting off the big chainring. Despite hours trying to tweak this and following countless sets of instructions, tips, and suggestions online on how to eliminate this problem, I did not get it taken care. I think it might be an issue with the shifter rather than the derailleur. In any case, this would not be an issue at all with the friction front shifting of good bar end shifters.
I just gave up and make an extra shift back up to the middle chainring in those instances when I am trying to downshift to the middle chainring from the big chainring. Not too big a deal, though I may still have a bike shop take a look at and see if they can adjust it properly.
With so many Spanish groups scattered and several Spanish leaders hit, and a big unit of redcoats coming up, the table is ceded to the Crown forces.
An enjoyable game that shows the limits of regulars in a messy and jumbled environment The Spanish needed to form up quickly while they outnumbered the Crown and the initial ambush needed to hurt the Spanish a bit more.
The Spanish losses were: 5 in the Florida Militia and their leader KIA 3 in the barely engaged Black Militia The Grenadiers had 8 dead and the Lights lost 5. Oklane was wounded and his Yamasee lost 6. 28 dead altogether.
The Crown forces had 5 Darien Scots killed and Mckay wounded. The Georgia Rangers lost 7 -all near the end of the battle. The Indian allies had 7 killed along with their leader wounded. The 42nd only had 1 man killed-obviously most of the action was on the other side of the trail. Total of 20 casualties plus 2 Big Men wounded.
I really enjoy these sort of under-represented theatres.
Stobist Lighting 102: Position/Angle
Photo Details:
Camera: Canon 20d
Lighting: Profoto ComPact 600s
Position: 30 degrees right of camera, varying distance
Modification: Zoom reflector
Shutter Speed: 250
Aperture: Varies w/ distance (see contact sheet for details)
Learn how to light at Strobist.
YX69 LCF 50407 plaxton panorama on a position move from rugby to Warrington before it goes back to Scotland
Calling to warn off rival
Please note that all of my photographs are under copyright protection, all rights reserved. They may not be reproduced, redistributed, copied, blogged, used for artist reference or manipulated for commercial or private use under any circumstances without my written consent.
In the shadow of Mount Longdon, I have called this a sniper position for a number of reasons:
1. It is very well concealed and could only likely protect a single man.
2. The arc of fire from the rear opening does not appear to cover anywhere of tactical importance.
3. A small opening to the front, or closed end) is in the direction of Wireless Ridge and Moody Brook, and the open ground. The iconic image of Marines walking along the track flying the Union Flag was taken in that valley, just over 1km away. They would have been vulnerable to fire from this position.
The angle of the polarizing filter, even when the direction of light doesn't change, alters the color cast of the entire image. See also "Taggart Lake and Cathedral group - polarizer position 2"
Grand Teton National Park
An old Pennsy signal is lit up in the stop position a NS local crosses the diamond of the Winamac & Southern at Logansport IN.
TF 9621 arriving on a positioning flight from Stockholm/Bromma to pick up Swedish ice hockey fans going back home to Sweden. Would depart to Bromma as TF 8621.
2022 IIHF Ice Hockey World Championship charter flight.
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A Fairchild Republic A-10 Thunderbolt II banks toward Air National Guard joint terminal attack controllers and Soldiers assigned to the 5th Squadron, 1st Cavalry Regiment, 1st Stryker Brigade Combat Team, U.S. Army Alaska, training at Yukon Training Area, AK, Aug. 20, 2014, during the Red Flag-Alaska 14-3 exercise. PNT SoSA is a key part of the Army strategy to achieve assured PNT, which underpins navigation and battlefield communication. (U.S. Air Force photo by Justin Connaher)
The bridge position strengthens and stretches the torso i.e the abs and back. (Exercise demonstrated by Namita Jain