Hi, here's my observation from 11/8/2009: ngc 7640 is a galaxy in Andromeda : mag: 11.3 ; size: 8.1' x 1.7' ; elongated and rather faint ,brighter central area and mottled edges. I used a 10mm Radian...
I remember this galaxy as being somewhat disappointing in my 6" Newtonian telescope because I always hoped to see more of it than an oval glow. With my 20" from Southern France 8 years ago I logged:...
NGC 7640 as perceived by A.L. with a 13" at 70x back in 1991: "Mottled glow amongst faint stars. Elongated. Hard to see where it ends." The mottledness is due to the AI's description of star forming...
Thanks, Akarsh, for mentioning "An Atlas of Local Group Galaxies". Since this book is not commonly used, here’s part of the labeled image of PegDIG with A1, A2 (two OB associations), C1 (cluster),...
Thanks for your research, Victor. I went to put it on my list of objects to observe last night when your mentioning LBN 640 brought back a memory. I then grabbed Stoyan's Interstellarum Deep Sky...