Emission nebula catalogued as Sharpless 2-261, at top, but commonly known as Lower's Nebula after the father and son team of amateur astronomers, Harold and Charles Lower, who in 1939 built an 8-inch Schmidt camera astrograph, one of the first, and used red sensitive plates and red filters to record these kinds of red nebulas. They noted this object on their plates, in northern Orion. At bottom is the small star cluster NGC 2169, also known as the X-Y Cluster or Number 37 Cluster as its two clumps of stars, just resolved here, resemble those letters or numbers. At bottom left is the small emission nebula Sh2-269. The larger fainter patch above it is Sh2-267. Taken from Alberta, Canada, February 22 2020. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / VWPics / Alan Dyer |
Taille de l’image : | 5345 px × 3631 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |