2022年10月9日 · NGC 1999 (LBN 979, DG 60, Ced 55i and others) is the reflection nebula at the center of the image. This object is located just below the Orion Nebula. See the annotated image for the locations of the nebulae above and 51 Herbig–Haro objects.

Diffuse Nebula aka LBN 979 Integrated Visual Magnitude: ~9.5 Apparent Diameter: 2' Minimum requirements to view: 6-inch scope and dark skies

前言：这是对北天可观测的明亮星云的调查，基本拥有NGC/IC编号，按照业余思维编纂，按星座（或邻近）叙述，省略一些细碎微小的反射星云。 观测记录来源于Gottlieb的NGC笔记，图片源于网络。 波江座较少，合并到猎户座组（+）。 5.1 猎户-迪马伦. ****************************** NGC 1976 = M42 = LBN 974 = Ced 55d = Sh 2-281 = Orion Nebula 05 35 17.1 -05 23 27; Ori V = 4.0; Size 66’x60’. 48" (4/1/11): 首先观测到了 梯形星团，虽然天空仍在变暗。

2024年10月16日 · Celestial hemisphere: Southern · Constellation: Orion (Ori) · Contains: LBN 979 · NGC 1999 · VdB46

NGC 1999 is a reflection nebula in in the LDN 1641 portion of the Orion A GMC (giant molecular cloud). It lies at a distance of around 1350 light-years and has an estimated size of ~10'000 AU.

NGC 1999 (also known as LBN 979, GC 1202, and H IV 33) is a reflection nebula, located at a distance of around 1,500 light years in the constellation of Orion. It was discovered on the 5th of October 1785 by William Herschel. The most striking feature of the nebula, is a dark structure that resembles a keyhole.

2023年3月22日 · Celestial hemisphere: Southern · Constellation: Orion (Ori) · Contains: LBN 979 · NGC 1999

NGC 1999 (LBN 979, DG 60, Ced 55i and others) is the reflection nebula at the center of the image. This object is located just below the Orion Nebula. See the annotated image for the locations of the nebulae above and 51 Herbig–Haro objects.

2022年10月9日 · NGC 1999 (LBN 979, DG 60, Ced 55i and others) is the reflection nebula at the center of the image. This object is located just below the Orion Nebula. See the annotated image for the locations of the nebulae above and 51 Herbig–Haro objects. Luminance…

2024年1月7日 · NGC 1999 (also catalogued as VDB 46, Ced 55i, DG 60, LBN 210.44-19.70, LBN 979, Magakian 114, Bernes 122, V380 Ori, IV 33, GC 1202) is a reflection nebula, illuminated from the light of the variable star V380 Orionis. It was discovered in 1785 by William Herschel with an 18.7-inch f/13 speculum telescope.