by manuelcp.astro@gmail.com | Feb 2, 2026
Abell 31 Constellation: Cancer Abell 31 (a.k.a Sh2-290 and PK 219+31.1) is a planetary nebula in the constellation Cancer. It is about 2’000 Ly away. Abell 31 is very old (about 130’000 years), and consequently, it is very large (~10 Ly across) and dim as...
by manuelcp.astro@gmail.com | Feb 2, 2026
PP 81 Constellation: Lupus PP 81* is a cometary reflection nebula hiding in the dark expanse of gas of Barnard 228, a large molecular cloud, in the constellation Lupus. Illuminating the nebulosity is the variable star HIP 77157, which is 518.54 Ly from Earth. Link to...
by manuelcp.astro@gmail.com | Feb 2, 2026
RCW 75 Constellation: Centaurus RCW 75 (a.k.a Gum 48a) is a faint emission nebula and H II region in the constellation Centaurus. It is located about 5’350-6’500 Ly away. HD 115669 is the bright star located in the central part of RCW 75. It is associated...
by manuelcp.astro@gmail.com | Jan 28, 2026
RCW 85, The Devil’s Tower nebula Constellation: Centaurus RCW 85 (a.k.a SFO 74) is a faint Hα emission nebula and star-forming region in the constellation Centaurus. The bright star is HD 125158. It is located about 5’000-6’000 Ly from Earth. Link...
by manuelcp.astro@gmail.com | Jan 28, 2026
Abell 7 Constellation: Lepus Abell 7 (a.k.a PK 215-30.1 and PNG 215.5-30.8) is a faint planetary nebula in the constellation Lepus, just South of Orion. Its fading white dwarf can be seen quasi in the middle of the nebula. It is located about 1’800 Ly from...
