Well Positioned Saturn

Saturn Apparent Magnitude: 0.2 Az./Alt: 180°/81° Itajobi, Brazil S21°19′ / W49°03′ April 11th, 2013 04h30 (U.T.) 180mm dobsonian reflecting telescope f6 dob mounted (ATM Sebastião Santiago Filho) Antares 10mm Super Plossl eyepiece Orion Single Polarizing Filter GSO 2.5x Three-Element Barlow Lens Magnification: 270 x Seeing: Antoniadi II (good, 2/5) NELM: 4.0 Media: Faber Castell 6B … Continue reading Well Positioned Saturn

Cold night, Omega Nebula

Omega Nebula (M17, NGC6618) Emission Nebula Apparent Magnitude: 6 Itajobi, SP, Brazil July 8th, 2011 04h00 (U.T.) 2B 0.5mm graphite pencil on white paper 180mm dobsonian reflecting telescope 15mm Super Plossl eyepiece Magnification: 72 x Seeing: Antoniadi 2 (good, 2/5) NELM: 5.5 That cold night, a fair wind blew intermittently since early. I just pointed … Continue reading Cold night, Omega Nebula

The Trifid Nebula Close to the Zenith

– M20 – The Trifid Nebula (NGC 6514) – Emission/Reflection Nebula – Apparent Magnitude: 6.3 – Itajobi, Brazil – July 27th, 2011 – 01h00 (U.T.) – 2B 0.5mm graphite pencil on white paper – 180mm dobsonian reflecting telescope – 20mm Super Plossl eyepiece – Magnification: 54 x – Seeing: Antoniadi 1 (fine) – NELM: 5.5 … Continue reading The Trifid Nebula Close to the Zenith

First Time Barred

M83 Barred Spiral Galaxy Itajobi, SP, Brazil 21º19’S / 49º06’W / +515m 2011, july 20th 23h40min (U.T.) NELM: 5.5 2B 0.5mm graphite pencil on white paper 75g/cm², scanned then inverted 180mm (7.1″) f6 reflecting telescope, dob mounted Super Plössl 20mm eyepiece No filter employed That was a cloudless, hot, calm night. The seeing was good, … Continue reading First Time Barred

Same Sombrero, Darker Skies

Object Name: M 104 (The Sombrero Galaxy) Object Type: Galaxy Location: Itajobi, SP, Brazil 21º19’S / 49º03’W / +450m Date: 2011, July 26th Time: 23H30 (U.T.) Media: 2B 0.5mm graphite pencil on white paper, scanned and inverted Telescope: newtonian 180mm f6 dob mount Eyepieces: 32mm, 10mm and 6mm (all Super Plössl) Seeing: Antoniadi I (excellent) … Continue reading Same Sombrero, Darker Skies