Новости из категории: astronet

14 New Eclipsing Variables

Вт, Декабрь 22, 2020 - 17:07

Discovery of Five New Variables

Вт, Декабрь 22, 2020 - 16:18

Variability of GSC 08977-08895 and GSC 07418-01521

Вт, Декабрь 22, 2020 - 14:48

I present a study of two variable stars, GSC 08977-08895 and GSC 07418-01521. This study is a part of our search for double-mode and multi-mode periodicity of variables. GSC 08977-08895 shows variability of a Doubly Eclipsing System,

Trifid Pillars and Jets

Вт, Декабрь 22, 2020 - 8:30

Dust pillars are like interstellar mountains. They survive because they are more dense than their surroundings, but they are being slowly eroded away by a hostile environment. Visible in the featured picture...

Observations of high-amplitude optical transients AT2020ray and AT2020ugj discovered by MASTER robot

Пн, Декабрь 21, 2020 - 15:15

We report photometry of two optical transients, MASTER OT J224524.92+211742.0 = AT2020ray and MASTER OT J213908.79+161240.2 = 2020ugj. Additionally, a spectrum of AT2020ray was obtained with the Russian..

Solstice: Sunrises Around the Year

Пн, Декабрь 21, 2020 - 8:30

Does the Sun always rise in the same direction? No. As the months change, the direction toward the rising Sun changes, too. The featured image shows the direction of sunrise every month during 2019 as seen from near the city of

Календарь наблюдателя на январь 2021 года

Вс, Декабрь 20, 2020 - 16:56

Очередной выпуск ежемесячника, освещающего астрономические явления и небесные тела, доступные для наблюдений..

A Volcanic Great Conjunction

Вс, Декабрь 20, 2020 - 8:30

Where can I see the Great Conjunction? Near where the Sun just set. Directionally, this close passing of Jupiter and Saturn will be toward the southwest. Since the planetary pair...

Conjunction after Sunset

Сб, Декабрь 19, 2020 - 8:30

How close will Jupiter and Saturn be at their Great Conjunction? Consider this beautiful triple conjunction of Moon, Jupiter and Saturn captured through clouds in the wintry twilight. The telephoto view looks toward the western horizon

Diamond in the Sky

Пт, Декабрь 18, 2020 - 8:30

When the shadow of the Moon raced across planet Earth's southern hemisphere on December 14, sky watchers along the shadow's dark central path were treated to the only total solar eclipse of 2020. During the New Moon's shadow play this..

Астрономическая неделя с 21 по 27 декабря 2020 года

Пт, Декабрь 18, 2020 - 7:05

На данной неделе (богатой астрономическими явлениями) 21 декабря в 10 часов 03 минуты по всемирному времени наступит зимнее..

Variable stars in Lacerta: area of 2°.3×2°.3, center α=22h50m δ=54°00′ (2000.0). Part I

Чт, Декабрь 17, 2020 - 12:52