Sentences with word «nebulosity»

A large area of nebulosity in the direction of the Lagoon nebula.

Whether he's discussing the derivation of a star's name, traced back many centuries into the past, or conveying the appearance of a delicate wisp of nebulosity in a remote stellar nursery, Robert Burnham illuminates his subjects as few other astronomy writers have, before or since.

The young open cluster NGC 6530 associated with the Lagoon Nebula M8 was classified as of Trumpler type «II 2 m n» (see e.g. the Sky Catalog 2000), meaning that it is detached but only weakly concentrated toward its center, its stars scatter in a moderate range of brightness, it is moderately rich (50 — 100 stars), and associated with nebulosity (certainly, with the Lagoon nebula).

Elsewhere in the image, we can look into Orion A's dark molecular clouds and spot many hidden treasures, including discs of material that could give birth to new stars (pre-stellar discs), nebulosity associated with newly - born stars (Herbig - Haro objects), smaller star clusters and even galaxy clusters lying far beyond the Milky Way.

15 ′ long and to the south following running into very faint nebulosity extending a great way.

Messier 24 (M24) is one of the few particular objects, or curiosities, in Messier's catalog: Under entry No. 24 in his catalog, Charles Messier list a large object of 1 1/2 deg in extension, which he included on June 20, 1764, and describes it as «a large nebulosity in which there are many stars of different magnitudes.»

NRAO / AUI / NSF; K. Golap; M. Goss; infrared star field and nebulosity from NASA's Wide Field Infrared Survey Explorer (WISE)

A 15» path of nebulosity seen in the 1980s was found to be at the centre of a 70» bipolar nebula.

Astrophotograph of M31, also known as the Andromeda nebula, taken using an 85 mm telescope with a hydrogen - alpha filter to enhance nebulosity (Photo: Adam Evans)

He reported a cloudy nebulosity.

Bright nebulosity in the Pleiades (M45, NGC 1432), distance 490 light - years.

However, clearly visible in this image are nebulosities above and below the plane of the disk; these betray the presence of the otherwise invisible central star, which can not be seen directly due to dust in the edge - on disk.

I love gazing at the colorful nebulosity that makes up the many star - forming regions that Spitzer has observed over the years.

Already under fairly good conditions, the nebula itself can be glimpsed with the naked eye as a faint nebulosity around this star.

sf [south following, SE] edge of the general mass, and of a milky irresolvable nebulosity; but though described «in cingulo Andromedae,» it is between the robes and the left arm of the Lady, and certainly below its girdle.

The brightest part of it approaches to the resolvable nebulosity, and begins to shew a faint red colour; which, from many observations on the colour of and magnitude of nebulae, I believe to be an indication that its distance in this coloured part does not exceed 2000 times the distance of Sirius.

Where some curators might be tempted to make a song - and - dance in the wall signage about their skilfully organized nebulosity, the trio just let visitors get on with looking.

The IC description, «extremely large cloud of stars with nebulosity», would at least match with the appearance of M24.

Shortly thereafter, faint optical wisps in the same location were discovered using the 200 - inch telescope at Mt. Palomar during the 1960s, when an extremely faint nebulosity was identified on photo plates.

4.6), diameter (1.5 degrees), and his description as a «large nebulosity in which there are many stars of different magnitudes,» which matches well with the cloud and not the cluster.

It's nice to see that someone has been able to successfully navigated through this type of program without having to make an oath to a nebulosity like God.

The shock fronts form tangled, knotted clumps of nebulosity and are collectively known as Herbig - Haro (HH) objects.

While Méchain found it to be a nebula without stars, Messier thought it was composed of small stars with some nebulosity, probably being fooled by foreground or background stars.

This giant cloud, or complex of clouds, of interstellar matter and young stars contains, besides M42 and the neighboring DeMairan Nebula (M43), and the nebulosity associated with them (NGC 1973-5-7), a number of famous objects, including Barnard's Loop, the Horsehead Nebula region (also containing NGC 2024, or Orion B), and the reflection nebulae around M78.

Throughout this image can be seen cavities and flow patterns in the nebulosity, giving clues to the structure and dynamics of this active star forming region.

The stars of Orion's belt shrouded in faint nebulosity.

In my 32 mm eyepiece with a true field of view of 46 ′, the cluster and the nebulosity lie at the end of an S - shaped asterism of stars, which can be identified easily.

While the description of III.6: «Large group of a great number of small stars, little compressed, and filling out the space of a kind of a semi-circle of 15 to 20 minutes in diameter; with a slight nebulosity widespread in space», matches well with what Lacaille should have seen in his 0.5 - inch refractor, he describes III.5 as: «Two small stars surrounded by nebulosity».

NGC 6530 was classified as of Trumpler type «II 2 m n» (see e.g. the Sky Catalog 2000), meaning that it is detached but only weakly concentrated toward its center, its stars scatter in a moderate range of brightness, it is moderately rich (50 — 100 stars), and associated with nebulosity (certainly, with the Lagoon nebula).

The open cluster within the nebulosity is one of the youngest open clusters known.