Beade’s Window center: NGC6522 and NGC6528

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Astrobin:

The obscuration of background objects by intervening dust towards the Galactic centre – Extinction – is generally very high, thus detailed studies of the central regions of our Galaxy are difficult.

There are small patches of sky along the line of sight to the Galactic centre that, by chance, suffer less extinction, and one of the largest and most famous of these is Baade’s Window which provides a relatively unobscured view of a region 4 degrees (~2,000 light years) south of the Galactic centre, with centre approximately located by NGC6522 star cluster.

Most of our knowledge of the stars in the bulge of the Milky Way is derived from studies in Baade’s Window.

It is named for astronomer Walter Baade, who first recognized its significance.

This area corresponds to one of the brightest visible patches of the Milky Way.

It is centered at a galactic longitude (l) of 1.02° and a galactic latitude (b) of -3.92°,[1] which corresponds to a right ascension of 18h 03m 32.14s and a declination of -30d 02m 06.96s, in the direction of the constellation Sagittarius.

According to Barbuy et Al. 2009, NGC6522 is possibly the oldest star cluster in the Milky Way, and Chiappini et Al., 2011 evaluated its age of about 12 billion years; cfr. “VLT-FLAMES Analysis of 8 giants in the Bulge Metal-poor Globular Cluster NGC 6522: Oldest Cluster in the Galaxy?” by B. Barbuy et al., 2009 [https://arxiv.org/abs/0908.3603] , and “Imprints of fast-rotating massive stars in the Galactic Bulge” by Cristina Chiappini et al., Nature 472, pp. 454–457 (28 April 2011) [https://www.nature.com/articles/nature10000]

NGC 6528 is located southwest of NGC 6522 and also presents unusually metal-richness for a globular cluster. A very similar composition with NGC 6553 suggests an origin in a similar environment; cfr.: “Chemical analysis of NGC 6528: one of the most metal-rich bulge globular cluster” by Muñoz, C.et Al., 2018 [https://arxiv.org/abs/1809.04164]

In this work I separately processed LRGB integration and L masterframe by PixInSight: after normal routine (bg removing, Spectrophotometric CC, Deconvolution and denoising) I thus preferred to separate LRGB stars from starless data, thus to proceed to the final image recomposition in Photoshop with 3 main levels group (and relative fixing and adjustments) with starless on the bottom, stars blending in screen mode, and luminance as top layer blending in luminosity.

Sh2-214, 215 and unidentified sharpless Hii spot, SHO palette

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Sh2-214 and Sh2-215 very faint practically invisible Sh2 spot within Cepheus area; starless master shows both faint nebulosity and a third spot which I wasn’t able to identify.

There’s practically no literature about; cfr. https://simbad.u-strasbg.fr/simbad/sim-id?protocol=html&Ident=Sh+2-214&bibdisplay=none and http://simbad.u-strasbg.fr/simbad/sim-id?protocol=html&Ident=Sh+2-215&bibdisplay=none for Simbaud/Strasburg records.

Cfr. also http://galaxymap.org/cat/list/sharpless/1

Astrobin: https://www.astrobin.com/57nj2p/

Starried (up) crop view and wider field from original integration.

Sarried wider field with annotations.

Sh2-157, NGC7635 in SHO palette

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SH2-157, the Lobster Claw Nebula, is an emission nebula located about 11,000 light-years away in the constellation of Cassiopeia.

According to SHO palette, red/orange and predominantly yellow regions of the nebula evinced a very large H II region while the blue-colored are predominately regions featured by the emission of light from molecular oxygen.

On the top NGC 7635 – the Bubble Nebula, and on the middle the star cluster NGC 7510.

Astrobin:

朱向前正在欧洲 Zhu Xiangqian in Europe

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According to programs shared by local associations and thanks to Zhu Xianqian post on social about his teaching activities in Europe, after 3 years of covid restrictions, is now possible to train with him. From 03/05 to 09/05 in North … Continua a leggere

Fartlek 全速疾跑间歇训练作为我的陈家沟武术训练身体素质练习

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Fartlek SIT as general body exercise in my Chenjiagou Wushu training routine Fartlek 全速疾跑间歇训练作为我的陈家沟武术训练身体素质练习 Fartlek quánsù jí pǎo jiànxiē xùnliàn zuòwéi wǒ de chén jiā gōu wǔshù xùnliàn shēntǐ sùzhì liànxí Stefano Zamblera – 羞龍Xiulong1 E-mail: afettoxiulong@gmail.com Published 27/02/2023 Abstract … Continua a leggere

Clermont-ferrand, Carnet de Voyage: Rue Gras

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Clermont-Ferrand, Carnet de Voyage
Rue Gras, linteau roman
Lavement des pieds des apôtres

L’articolo Clermont-ferrand, Carnet de Voyage: Rue Gras sembra essere il primo su XIUART.

Clermont-Ferrand, Carnet de Voyage Parc Montjuzet au coucher de soleil

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Parc Montjuzet au coucher de soleil

Clermont-Ferrand, Carnet de Voyage
Parc Montjuzet au coucher de soleil
​​犹​​山​​公园
​​Yóu Shān ​​Gōngyuán

Watercolor on paper, December 2022 – Procreate

L’articolo Clermont-Ferrand, Carnet de Voyage Parc Montjuzet au coucher de soleil sembra essere il primo su XIUART.

Clermont-ferrand, Carnet de Voyage: Parc Montjuzet

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​​犹​​山​​公园​​ Yóu Shān ​​Gōngyuán – Parc Montjuzet

Clermont-Ferrand, Carnet de Voyage
Parc Montjuzet
​​犹​​山​​公园
​​Yóu Shān ​​Gōngyuán

L’articolo Clermont-ferrand, Carnet de Voyage: Parc Montjuzet sembra essere il primo su XIUART.

Terrazza Mascagni 02/09/2022

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Canon EOS R, Canon EF 24-70mm f/2.8 L USM: sunrise blue and golden hour, light rainy. Mainly stacking of HDR shots.

Post production by Adobe Camera Raw and Photoshop.

Milky Way in Livorno Monterotondo hill

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The Milky Way in Livorno, Monterotondo hill, looking to Montenero (Via del Pino)

Lat.: 43,30.6058200NLon.: 10,21.0987000E
H.Sea Level: m. 33,10
Canon EOS 6D Mark III
Samyang 14mm f/2.8 IF ED UMC Aspherical
One single shot, 22/05/2020 h.01:45 a.m.: f/5.6 ISO 6400 24 sec.
Post-production: Adobe Photoshop CC, Adobe Photoshop CS4, Nik Collection 1.1

Astrobin: https://www.astrobin.com/jil7vk/

Astrometry:

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