Новости из категории: astronet

BVIcg’r’ CCD Observations of Three Classical Cepheids in NGC 7790

Пн, Октябрь 19, 2020 - 11:04

We present 2728 magnitude measurements in the B, V, Ic, g', and r' filters acquired for three classical Cepheids in the open cluster NGC 7790: CEa Cas, CEb Cas, and CF Cas. Reliable separate PSF-photometry of the components of CE..

A Flight over Jupiter Near the Great Red Spot

Пн, Октябрь 19, 2020 - 8:30

Are you willing to wait to see the largest and oldest known storm system in the Solar System? In the featured video, Jupiter's Great Red Spot finally makes its appearance 2 minutes and 12 seconds into the 5-minute video.

UGC 1810: Wildly Interacting Galaxy from Hubble

Пн, Октябрь 19, 2020 - 1:30

What's happening to this spiral galaxy? Although details remain uncertain, it surely has to do with an ongoing battle with its smaller galactic neighbor. The featured galaxy is labelled UGC 1810 by itself, but together with its

Cygnus: Bubble and Crescent

Сб, Октябрь 17, 2020 - 7:30

These clouds of gas and dust drift through rich star fields along the plane of our Milky Way Galaxy toward the high flying constellation Cygnus. Caught within the telescopic field of view are the Soap Bubble (lower left) and the Crescent..

Астрономическая неделя с 19 по 25 октября 2020 года

Пт, Октябрь 16, 2020 - 19:00

На данной неделе 12 октября долгопериодическая переменная звезда R Льва достигнет максимума блеска (5m). 13 октября Луна (Ф= 0,18-) пройдет..

Planetary Nebula Abell 78

Пт, Октябрь 16, 2020 - 7:30

Planetary nebula Abell 78 stands out in this colorful telescopic skyscape. In fact the colors of the spiky Milky Way stars depend on their surface temperatures, both cooler (yellowish) and hotter (bluish) than the Sun.

Galaxies in Pegasus

Чт, Октябрь 15, 2020 - 8:30

This sharp telescopic view reveals galaxies scattered beyond the stars of the Milky Way, at the northern boundary of the high-flying constellation Pegasus. Prominent at the upper right is NGC 7331. A mere...

The 82nd Name-list of Variable Stars. Part III - RA 20h to 24h and Novae

Ср, Октябрь 14, 2020 - 11:45

We present the third part of the new Name-List of variable stars containing information on 1043 variable stars recently designated in the system of the General Catalogue of Variable Stars. With the exception of Novae named upon request from..

The Colorful Clouds of Rho Ophiuchi

Ср, Октябрь 14, 2020 - 8:30

The many spectacular colors of the Rho Ophiuchi (oh'-fee-yu-kee) clouds highlight the many processes that occur there. The blue regions shine primarily by reflected light. Blue light from the Rho Ophiuchi star system and nearby..

Mars, Pleiades, and Andromeda over Stone Lions

Вт, Октябрь 13, 2020 - 8:30

Three very different -- and very famous -- objects were all captured in a single frame last month. On the upper left is the bright blue Pleiades, perhaps the most famous cluster of stars on the night sky. The Pleiades (M45) is about 450

Журнал “Небосвод” за ноябрь 2020 года

Пн, Октябрь 12, 2020 - 18:57

Очередной номер журнала "Небосвод" для любителей астрономии и от любителей астрономии

Descending Toward Asteroid Bennu

Пн, Октябрь 12, 2020 - 8:30

What would it be like to land on an asteroid? Although no human has yet done it, NASA's robotic OSIRIS-REx spacecraft is scheduled to attempt to touch the surface of asteroid 101955 Bennu next week.