Portfolios Archives - Page 12 of 27 - Roger Nelson Astronomy

NGC 891 Galaxy

Roger Nelson February 5, 2024110 Finest NGCs, Galaxies, Herschel 400 Catalog, Lists, Local Group, Log Book, NGC Objects, Portfolios Leave a Comment

NGC 891 NGC 891 is an edge-on unbarred spiral galaxy about 30 million light-years away in the constellation Andromeda. It was discovered by William Herschel on October 6, 1784. The galaxy is a member of the NGC 1023 group of …

NGC 7662 Blue Snowball Nebula

Roger Nelson February 4, 2024110 Finest NGCs, Herschel 400 Catalog, Lists, NGC Objects, Planetary Nebulas, Portfolios Leave a Comment

NGC 7662 NGC 7662 is a planetary nebula located in the northern constellation Andromeda. It is known as the Blue Snowball Nebula, Snowball Nebula, and Caldwell 22. This nebula was discovered October 6, 1784 by the German-born English astronomer William …

IC 289

Roger Nelson February 4, 2024110 Finest NGCs, Lists, Log Book, Planetary Nebulas, Portfolios Leave a Comment

IC 289 IC 289 is a planetary nebula in the constellation Cassiopeia. It was discovered by Lewis Swift in early September 1888. It lies close to the 10th magnitude star BD +60° 0631. N.J. Martin described IC 289 as “A …

NGC 663

Roger Nelson February 4, 2024110 Finest NGCs, Herschel 400 Catalog, Lists, Log Book, NGC Objects, Open Clusters, Portfolios Leave a Comment

NGC 663 NGC 663 (also known as Caldwell 10) is a young open cluster in the constellation of Cassiopeia. It has an estimated 400 stars and spans about a quarter of a degree across the sky. It can reportedly be …

NGC457

Roger Nelson February 4, 2024110 Finest NGCs, Herschel 400 Catalog, Lists, Log Book, NGC Objects, Open Clusters, Portfolios Leave a Comment

NGC457 NGC457 (also designated Caldwell 13, and known as the Dragonfly Cluster, E.T. Cluster, Owl Cluster, Kachina Doll Cluster or Phi Cassiopeia Cluster) is an open star cluster in the constellation Cassiopeia. It was discovered by William Herschel on August …

NGC 281

Roger Nelson February 4, 2024110 Finest NGCs, Lists, Log Book, NGC Objects, Open Clusters, Portfolios Leave a Comment

NGC 281 NGC 281, IC 11 or Sh2-184 is a bright emission nebula and part of an H II region in the northern constellation of Cassiopeia and is part of the Milky Way’s Perseus Spiral Arm. This 20×30 arcmin sized …

NGC 185

Roger Nelson February 4, 2024110 Finest NGCs, Galaxies, Herschel 400 Catalog, Lists, Local Group, Log Book, NGC Objects, Portfolios Leave a Comment

NGC 185 NGC 185 (also known as Caldwell 18) is a dwarf spheroidal galaxy located 2.08 million light-years from Earth, appearing in the constellation Cassiopeia. It is a member of the Local Group, and is a satellite of the Andromeda …

NGC 7789

Roger Nelson February 4, 2024110 Finest NGCs, Galaxies, Herschel 400 Catalog, Lists, Log Book, NGC Objects, Portfolios Leave a Comment

NGC 7789 NGC 7789 (also known as Caroline’s Rose[4] or the White Rose Cluster) is an open cluster in Cassiopeia that was discovered by Caroline Herschel in 1783. Her brother William Herschel included it in his catalog as H VI.30. …

NGC 6888 Crescent Nebula

Roger Nelson February 3, 2024110 Finest NGCs, Lists, Nebulas, Portfolios Leave a Comment

NGC 6888 Crescent Nebula The Crescent Nebula (also known as NGC 6888, Caldwell 27, Sharpless 105) is an emission nebula in the constellation Cygnus, about 5000 light-years away from Earth. It was discovered by William Herschel in 1792. It is …