Log Book Archives - Page 12 of 24 - Roger Nelson Astronomy

Saturn Nebula

Roger Nelson February 3, 2024110 Finest NGCs, Herschel 400 Catalog, Lists, Log Book, NGC Objects, Planetary Nebulas, Portfolios Leave a Comment

Excerpt from Wikipedia/The Web The Saturn Nebula (also known as NGC 7009 or Caldwell 55) is a planetary nebula in the constellation Aquarius. It appears as a greenish-yellowish hue in a small amateur telescope. It was discovered by William Herschel on September 7, 1782, using a telescope of his own design …

M103

Roger Nelson January 21, 2024Herschel 400 Catalog, Lists, Log Book, Messiers, NGC Objects, Open Clusters, Portfolios Leave a Comment

M103 Messier 103 (also known as M103, or NGC 581) is an open cluster where a few hundred, mainly very faint, stars figure in Cassiopeia. It was discovered in 1781 by Charles Messier’s friend and collaborator Pierre Méchain. It is …

M106

Roger Nelson January 21, 2024Galaxies, Herschel 400 Catalog, Lists, Log Book, Messiers, NGC Objects, Portfolios Leave a Comment

M106 M106 or Messier 106 (also known as NGC 4258) is an intermediate spiral galaxy in the constellation Canes Venatici. It was discovered by Pierre Méchain in 1781. M106 is at a distance of about 22 to 25 million light-years …

M107

Roger Nelson January 21, 2024Globular Clusters, Herschel 400 Catalog, Lists, Log Book, Messiers, NGC Objects, Portfolios Leave a Comment

M107 Messier 107 or M107 , also known as NGC 6171, is a very loose globular cluster in a very mildly southern part of the sky close to the equator in Ophiuchus, and is the last such object in the …

M100

Roger Nelson January 21, 2024Galaxies, Lists, Log Book, Messiers, NGC Objects, Portfolios Leave a Comment

M100 M100 or Messier 100 (also known as NGC 4321) is a grand design intermediate spiral galaxy in the southern part of the mildly northern Coma Berenices. It is one of the brightest and largest galaxies in the Virgo Cluster …

M99