A gravitational lens, as predicted by Einstein general theory of relativity, is a distribution of matter or a point particle between a distant light source…
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M81 and M82: Ha and Oiii integration to RGB
Astrobin: https://www.astrobin.com/z6r6gb/G/ During 2021 and 2022 I took a good number of subframes focusing on M81 and M82 field and I planned to integrate RGB…
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Sh2-132 (LBN 473) in HOO: a deep study of Lion Nebula
Astrobin: https://www.astrobin.com/jm0j9e/B/ Photoshop master file available here: https://e.pcloud.link/publink/show?code=XZBgeBZiipzDUvNC9yRE5unT8WlQybzU5fy According to Stewart Sharpless annotation, 1959 “A Catalogue of Hii Regions” U.S. Naval Observatory, 10 Sept. 1959 […
View More Sh2-132 (LBN 473) in HOO: a deep study of Lion Nebula
Sh2-132 (LBN 473) “Lion Nebula” in SHO
Astrobin: https://www.astrobin.com/gsio6i/C/ This work integrates a lot of subframes taken in each narrowband channel from March 2022 9th to September 2022 19th.After subframing weight by…
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M16 (NGC 6611) and the Pillars of Creation: a James Webb Space Telescope records study
Astrobin: https://www.astrobin.com/qyj4ms/D/ According to Greg T. Bacon of the Space Telescope Science Institute of Baltimora [ https://webbtelescope.org/contents/media/videos/1097-Video 20/07/2023 ] stars cluster belonging to M16 consist…
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M16 (NGC 6611) and the Pillars of Creation
Astrobin: https://www.astrobin.com/cqhnxd/ M16 (NGC 6611) Eagle Nebula, or Star Queen Nebula, was discovered in 1745 by the Swiss astronome Jean-Philippe de Cheseaux while in 1745…
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M20 (NGC 6514) in SHO
Astrobin: https://www.astrobin.com/8lkg32/ Dettagli d’acquisizione Date: 16 Giugno 2023 Astrodon H-alpha 3nm 50×50 mm: 6×300″(30′)Astrodon OIII 3nm 50×50 mm: 4×300″(20′)Astrodon SII 3nm 50×50 mm: 6×300″(30′) Integrazione: 1h 20′, giorno…
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Sh2-129, Ou4 in SHO palette
Sh2-129 emission nebula presents an irregular ring-arch form which resemble a figure of a flying bat, and according to Blitz et.Al. is situated at a…
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Markarian’s chain
Astrobin: https://www.astrobin.com/lniuig/D/ According to Markarian in “Physical Chains of Galaxies in the Virgo Cluster and Its Dynamic Instability”, The Astronomical Journal, vol.66, n.10 – December…
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Sh2-188 Firefox Nebula
Astrobin: According to Salter et. Al., 1984 Sh2-188 nebula also known as Simeis 22, seems to have been discussed first by Minkowski in 1958 “Cygnus…
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