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In this image, taken on the evening of August 22nd from Colle della Forchetta - Chiaves (TO), the Bubble Nebula (cataloged as Caldwell 11, NGC 7635) is visible in the upper right, and to the left is part of SH2-157 - The Lobster Claw Nebula, also known as the Lobster Nebula. The small nebula Sh2-159 is also visible in the lower right of the image.
Target Information
These nebulae are in the constellation of Cassiopeia, bordering the constellation of Cepheus. They are emission nebulae: they are H II regions clearly visible in the Hα band, where the emission is due to the ionization of hydrogen by ultraviolet radiation emitted by young, hot stars.
Note: Hα and H II are not the same thing. It's easy to confuse them because they both involve hydrogen.
The fundamental difference is this:
• H I = neutral hydrogen, meaning the atom still has its electron.
• H II = ionized hydrogen, meaning it has lost its electron → only the proton remains.
• Hα (H-alpha) = a specific hydrogen emission line, with a wavelength of approximately 656.3 nm, in the red part of the spectrum.
When a very hot, young, and massive star emits UV radiation, it ionizes H I, which changes to H II; that is, the hydrogen loses its electron and becomes H II.
Then, when a free electron is recaptured by a proton, it can pass through different energy levels. During one of these transitions, an Hα photon is emitted and recombination occurs:
H II + electron → recombination → Hα emission → red light at 656.3 nm
So: - H II describes the state of hydrogen (ionized).
- Hα describes the light emitted by hydrogen during a particular atomic transition.
The phrase: "This is an H II region, clearly visible in the Hα band." therefore indicates that the nebula is a region of ionized hydrogen and that its emission is particularly evident when observed in the Hα emission line.
The Bubble Nebula NGC 7635 (sometimes known as C 11) is a diffuse nebula whose main feature is a "bubble" of vacuum surrounded by the nebula, caused by the stellar wind from the young central star, at magnitude 8.7. It was first identified by William Herschel in 1787 and, due to its circular shape, was long mistaken for a planetary nebula. Recent studies have confirmed that it is actually an emission nebula.
The Lobster Nebula SH2-157 is a faint emission nebula located approximately 11,000 light-years away in the constellation Cassiopeia. This nebula contains several very compact regions, the most conspicuous of which is Sh2-157A; it is a luminous cluster visible in the Hα band.
Recording and integration data:
This image was obtained by integrating:
•53 frames of 30 seconds, equivalent to 26 minutes, captured at -10°C without filters
•55 frames of 300 seconds, for a total of 4 hours and 35 minutes, captured at -10°C with an Optolong L-Extreme filter
Captured on the evening of August 22nd from Colle della Forchetta - Chiaves (TO)
•GSO 154/600 Newtonian telescope, ASI 294 MC Pro imaging camera
•60/240 guide scope, ASI 120 MM Mini camera
•Sky-Watcher HEQ5 SynScan GOTO equatorial mount
•Captured using Asiair Pro, RGB processing with Pixinsight.
In questa mia immagine, ripresa la sera del 22 Agosto dal Colle della Forchetta - Chiaves (TO), in alto a destra è visibile la Bubble Nebula o Nebulosa Bolla, (Catalogata come Caldwel 11, NGC 7635) e alla sinistra una parte della SH2-157 - The Lobster Claw Nebula, nota anche come la Nebulosa dell'Aragosta. In basso a destra nell'immagine è anche visibile la piccola nebulosa Sh2-159.
Informazioni sul Target
Queste nebulose sono nella costellazione di Cassiopea, ai confini con la costellazione di Cefeo. Sono nebulose ad emissione: si tratta di regioni H II ben visibile nella banda dell'Hα dove l’emissione è dovuta alla ionizzazione dell’idrogeno da parte della radiazione ultravioletta emessa dalle stelle giovani e calde.
Nota: Hα e H II non sono la stessa cosa. È facile confonderli perché entrambi riguardano l'idrogeno.
La differenza fondamentale è questa:
•H I = idrogeno neutro, cioè l'atomo ha ancora il suo elettrone.
•H II = idrogeno ionizzato, cioè ha perso il suo elettrone → rimane solo il protone.
•Hα (H-alfa) = una specifica riga di emissione dell'idrogeno, con lunghezza d'onda di circa 656,3 nm, nella parte rossa dello spettro.
Quando una stella molto calda, giovane e massiccia emette radiazione UV, ionizza H I che passa ad H II, cioè l'idrogeno perde l'elettrone e diventa H II.
Poi, quando un elettrone libero viene ricatturato da un protone, può passare attraverso diversi livelli energetici. Durante uno di questi passaggi viene emesso un fotone Hα ed avviene una ricombinazione:
H II + elettrone → ricombinazione → emissione Hα → luce rossa a 656,3 nm
Quindi:- H II descrive lo stato dell'idrogeno (ionizzato).
- Hα descrive la luce emessa dall'idrogeno durante una particolare transizione atomica.
La frase: «Si tratta di una regione H II, ben visibile nella banda dell’Hα.» indica pertanto che la nebulosa è una regione di idrogeno ionizzato e che la sua emissione è particolarmente evidente osservandola nella riga di emissione Hα.
La Nebulosa Bolla NGC 7635 (nota talvolta come C 11) è una nebulosa diffusa la cui caratteristica principale è una "bolla" di vuoto circondata dalla nebulosa, causata dal vento stellare della giovane stella centrale, di magnitudine 8,7. Essa fu identificata per la prima volta da William Herschel nel 1787 ed, a causa della sua forma circolare, fu a lungo scambiata per una nebulosa planetaria. Studi recenti hanno appurato invece che si tratta di una nebulosa ad emissione.
La Nebulosa dell'Aragosta SH2-157, è una nebulosa a emissione debole situata a circa 11.000 anni luce di distanza nella costellazione di Cassiopea. Questa nebulosa contiene alcune regioni molto compatte, fra le quali la più cospicua è Sh2-157A; si tratta di un addensamento luminoso particolarmente visibile nella banda dell'Hα.
Dati di ripresa ed integrazione
Questa immagine l'ho ottenuta dall'integrazione di:
•53 frames da 30 sec pari a 26 minuti ripresi a -10°C senza uso di filtri
•55 frames da 300 sec per un totale di 4 ore e 35 minuti ripresi a -10°C con filtro Optolong L-Extreme
ripresi la sera del 22 Agosto dal Colle della Forchetta - Chiaves (TO)
•Telescopio newton GSO 154/600, Camera di ripresa ASI 294 MC Pro
•Telescopio guida 60/240, Camera ASI 120 MM Mini
•Montatura Equatoriale Sky-Watcher HEQ5 SynScan GOTO
•Acquisizione tramite Asiair Pro, Elaborazione in RGB con Pixinsight.
5 bracket HDR, using Photomax ProTone Mapping.
Taken with a Sony A700, & Carl Zeiss Vario Sonnar 16-80mm f/3.5-4.5 Zoom Lens (SAL-1680z)
Follow me into the weekend! :)
And follow me into the last 3 weeks to the inaugural Trans Pyrenees Race.
I’m so looking forward to this! Doing what I love, sitting on my bike and pedal through fascinating regions and landscapes. Not just around some holiday stay and doing circles but really traveling through it, immersing myself into it by carrying all my stuff with me. But in a minimalistic kind of way. So that my bike is still my bike - and not my kitchen sink. And by racing it. In a sort of ambitious, driven by a racing purpose way. But all the while with the aim of enjoying myself and enjoying the journey. As a race-journey it so beautifully was coined a few years ago in a short film about the TCR.
And indeed it was and is the Transcontinental Race which motivated me and which told me the way of unsupported bikepacking as I jumped headlong into this new love of mine with the #TCRNo5 as my first ultracycling and bikepacking event.
Today I have 2 Transcontinental Races and 2 Three Peaks Bike Races under my belt. And while I always wanted to visit the Pyrenees it was just this year while racing from Vienna to Barcelona where I hat the opportunity for this. I think it was quite a fitting preparation - both training wise but also having had a first glimpse into the remote and at times harsh beauty of the Pyrenees.
You see me on gravel here on this photo. There are some nice gravel parcours on the #TPRNo1 also. And, since we will have October by then and it already had snowed as low as 2.000 metres above sea level in the last days in some areas I should be prepared to make progress even when the track get’s rough and possibly even snowed upon. Even paved passes could get interesting in such conditions, to say the least. So while I think gravel tires will be too much of a disadvantage over all the tarmac this race will feature (not even just because of the rolling resistance but also because of less grip on wet tarmac) I’m leaning to forgo absolute minimal rolling resistance and aerodynamics for a greater contact patch. So I think I will switch my road wheelset from the 28 and 32 mm Conti GP 5000 in favor for some 35 mm Panaracer Gravelking Slicks.
Kit wise I think I will pretty much take the exact stuff I laid out in one of my latest blog posts. I have a nice insulation layer which proved useful already in summer alpine racing. I think I will just ride a bigger proportion of the ride with it. I want to expand my rain gear with some solid upper body shell. More substantial than a mere shakedry jacket, i.e. also with a hood for a start. And I plan on riding my first bikepacking race with MTB shoes. Figuring that in the worst case I could end up hiking quite a few kms if the weather doesn’t play along. And I don’t want to do this in the autumn and possibly in the wet or even snow with my trade mark Kung Fu slippers. Well, we’ll see. :)
I’m super excited to see and meet all the other participants in Biarritz. And I would be happy if you would follow me again along the race. Of course there will also be a tracking service provided so that there is ample opportunity for dot watching all us riders traversing the Pyrenees from Biarritz on the west to the Cap de Creus at the Mediterranean Sea on the east and then back again over the most part of the Raid Pyrénéen Randonneur route. So stay tuned! :)
On the summit of the Bjelašnica! The reward of a 12 km gravel ascend. Half ridden, half pushed. But the real reward was the climb itself. Having absolutely no preconceived opinion on that CP and Parcours nor any sort anticipation I was pleasantly surprised. I liked it very much actually. Not necessarily by the summit itself and the decaying lift building witness to a history of both Olympic spirit and peace as well as the dark sides of mankind and war. But more from the peaceful ridgelines of the Dinarian Mountains and the winding gravel trail itself.
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Auf dem Gipfel des Bjelašnica! Die Belohnung für einen 12 km Schotteranstieg. Halb gefahren, halb geschoben. Aber die wahre Belohnung war der Anstieg selbst. Ich hatte im Vorfeld absolut keine vorgefasste Meinung noch irgendeine Art von gespannter Erwartung zu diesem CP und Parcours. Aber: ich war angenehm überrascht. Ich fand in sehr schön und lohnend. Nicht notwendigerweise den Gipfel selbst und das verfallende Liftgebäude - Zeitzeuge der Geschichte sowohl des olympischen Geistes und des Friedens als auch der dunklen Seite der Menschheit und Krieg. Sondern mehr von den friedlichen Hügelketten des Dinarischen Gebirges und des sich windenden Schotterwegs selbst.
And suddenly it’s autumn! There will be some really warm days in this year but last weekend called for the first outing in long sleeves. And the gravel bike is also appropriate to enjoy the forests in the coming time.
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Und plötzlich ist es Herbst!
Es werden noch einige richtig warme Tage in diesem Jahr kommen. Aber das letzte Wochenende rief nach langen Ärmeln. Und das Gravel Bike ist ebenfalls genau passend, um die Wälder in der kommenden Zeit zu genießen.
Me rocking my new Café du Cycliste Audax kit on it's "birthplace" - in Nice.
I just posted an article on my blog with musings and take away messages on good cycling clothing in general and my impressions of the 'Mathilde' Bibshorts and the 'Mona' Jersey.
torstenfrank.wordpress.com/2018/07/20/merkmale-gut-sitzen... (in German)
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Ich, mein neues Café du Cycliste Audax Kit spazierenfahrend. Da, wo seine "Geburtsstätte" ist - in Nizza.
Ich habe soeben einen Artikel auf meinem Blog veröffentlicht, wo ich Gedanken zu den Merkmalen guter Rennradbekleidung im Allgemeinen und meine Eindrücke zu den Trägerhosen "Mathilde" und dem Trikot "Mona" schildere:
torstenfrank.wordpress.com/2018/07/20/merkmale-gut-sitzen...
Featuring Fender Lace Sensor Pickups
1996 Squier Pro Tone Stratocaster Model 033-2700-x00
The Pro-Tone series of Stratocasters was produced between 1996 and 1998 and featured a solid ash body, a 1-piece maple neck, and three single-coil alnico pickups. The Pro-Tone line was manufactured in Korea (many in the Cort factory. It was available in a handful of finishes: vintage blonde, crimson red, black, three-tone sunburst, trans sapphire blue, and olympic white. The crimson red, and trans sapphire blue finishes came with gold hardware.
There was a special edition Pro-Tone called the 'Fat Strat' which came in black with a black painted headstock, 22 frets, a bridge humbucker, and a Floyd Rose double locking tremolo.
The Pro-Tone series of Telecasters, Strats and Basses was produced from 1996 to1998 and featured a solid ash body, 1-piece maple neck, and three single-coil alnico pickups. The Pro-Tone line was manufactured in Korea (many in the Cort factory) and was available in a handful of finishes: vintage blonde, crimson red, black, three-tone sunburst, trans-sapphire blue and Olympic white. The crimson red, and trans-sapphire blue finishes came with gold hardware. There was a special edition Pro-Tone called the 'Fat Strat' which came in black with a black painted headstock, 22 frets, a bridge humbucker, and a Floyd Rose double locking tremolo. There was also a "Fat Tele" that featured a natural finish, rosewood fretboard and humbucker pickups.
Even though these guitars featured a Squier logo on the headstock, they were a very well made guitar that rivaled most "Made in Mexico" and USA-made Fenders. Fender discontinued the Pro-Tone series after deciding to use the Squire brand exclusively for low-end, low-budget guitars.
The Pro-Tone series of Telecasters, Strats and Basses was produced from 1996 to1998 and featured a solid ash body, 1-piece maple neck, and three single-coil alnico pickups. The Pro-Tone line was manufactured in Korea (many in the Cort factory) and was available in a handful of finishes: vintage blonde, crimson red, black, three-tone sunburst, trans-sapphire blue and Olympic white. The crimson red, and trans-sapphire blue finishes came with gold hardware. There was a special edition Pro-Tone called the 'Fat Strat' which came in black with a black painted headstock, 22 frets, a bridge humbucker, and a Floyd Rose double locking tremolo. There was also a "Fat Tele" that featured a natural finish, rosewood fretboard and humbucker pickups.
Even though these guitars featured a Squier logo on the headstock, they were a very well made guitar that rivaled most "Made in Mexico" and USA-made Fenders. Fender discontinued the Pro-Tone series after deciding to use the Squire brand exclusively for low-end, low-budget guitars.
Overhaul time on the Strat. I should have left the strings on for this shot, but didn't think about that until it was too late.
The Pro-Tone series of Stratocasters was produced between 1996 and 1998 and featured a solid ash body, a 1-piece maple neck, and three single-coil alnico pickups. The Pro-Tone line was manufactured in Korea (many in the Cort factory) It was available in a handful of finishes: vintage blonde, crimson red, black, three-tone sunburst, trans sapphire blue, and olympic white. The crimson red, and trans sapphire blue finishes came with gold hardware.
There was a special edition Pro-Tone called the 'Fat Strat' which came in black with a black painted headstock, 22 frets, a bridge humbucker, and a Floyd Rose double locking tremolo. The Pro-Tone series was short lived as it's quality rivaled the American made Stratocasters and quickly eroded the sales of the far more expensive line.
I bought this guitar at Old Boise Music in January of 1997. The production dates are October '96 (Body) and December '96 (Neck) My only regret is that I didn't manage to buy more of these while they still were available.
1996 Squier Pro Tone Stratocaster Model 033-2700-x00
The Pro-Tone series of Stratocasters was produced between 1996 and 1998 and featured a solid ash body, a 1-piece maple neck, and three single-coil alnico pickups. The Pro-Tone line was manufactured in Korea (many in the Cort factory. It was available in a handful of finishes: vintage blonde, crimson red, black, three-tone sunburst, trans sapphire blue, and olympic white. The crimson red, and trans sapphire blue finishes came with gold hardware.
There was a special edition Pro-Tone called the 'Fat Strat' which came in black with a black painted headstock, 22 frets, a bridge humbucker, and a Floyd Rose double locking tremolo.
1996 Squier (by Fender) Pro-Tone Stratocaster & Fender Blues Deluxe Amp. The pro-tone was a limited series that met or exceeded the quality and sound of the American made strats at the time, for about a quarter of the price. They have solid ash bodies, excellent construction, and a great fit and finish. The series extended to Strats, Telecasters, and Jazz and Precision basses. The series was unlike any of the other "Squiers" before and after, and was discontinued when they began outselling the expensive Fenders. - They are somewhat of a collectable guitar these days.
With hand-drawn cover by Felix Kubin, made specially for Non-Event
Cat: GR 2006
"Whatever happened to the Scorpions when they started experimenting with electronic music?” is a question you may have never asked yourself. Even Juri Gagarin himself has to admit: This record is confusing. Side A starts with 10 short tracks ranging from clickclack disko to depressed protone music to noise collage to Dr. Phibes tunes. Side B contains deranged German singing accompanied by psychedelic automatic rhythm partners. To talk about the cover is much too confusing, says Juri. This is a perfect present for confused people you don't trust, like Jesus or your Mother. The music has been created by three notorious Noise Jockeys from Hamburg."
Scorpions on Phasing = Felix Kubin, Tim Buhre, and Asmus Tietchens
B-Liv at Metepec / 5 senses of Deep / By Protone Label-
An amazing deep underground night, full of geat vibes and ultra nice people! Thanks to all fans in #metepec Protone Label, AtomicSoda MX // Thanks to Vive Metepec and Oria Comunicación e Imágen for the awesome pics. // Oct3 - 2014 ---
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