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 …

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 is an amazing little find a few degrees south of the famous M42. The nebula itself is quite bright, but very small. It is a reflection nebula that surrounds the 10th magnitude variable …

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 …

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 …

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 …

Pre-processing and linear processing in Pixinsight using Calibration/Integration, DBE, Local Normalization, Multiscale Linear Transform, Spectrophotometric Color Calibration, and Arcsinh …

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

AKA: LBN 979 Instrument: Ritchey-Chretien 32" Telescope: Focal Ratio: f7.2 (prime focus) Camera: SBIG STL-11000 CCD camera (See product review in July, 2004 issue of Sky & …