Asteroid Data Updated Time has finally permitted me to update the summary observation data for my asteroid measurements. To date I have measured 149 asteroids, with 523 measurements. The data is in spreadsheet form, and includes links to the MPC … Continue reading
Dennis
M31 Andromeda Galaxy The Andromeda Galaxy is the closest large galaxy, 2.5 million light years distant from the Milky Way. Both galaxies are part of the local group of approximately 25 galaxies, that include M32, M110, M33, and many dwarf … Continue reading
NGC 6992 (Eastern Veil) A few weeks ago I had the opportunity to attend the Wild Acres Star Party in Little Switzerland, NC. This star party is sponsored by the Charlotte Amateur Astronomers and is an extension of the Southern … Continue reading
NGC 7331 and the Deerlick Group The NGC 7331 galaxy group, better known as the Deerlick group, consists of NGC 7331 (10.2),the main galaxy at 40 million light years distant, and NGC 7335 (14.5), 7336 (15.6), 7337 (14.5) and NGC 7340 (15.4). … Continue reading
Comet C/2017 O1 (ASASSN1)- motion video Here is a video created with the (40) 90 second images stacked into the image shown in the previous post. The comet was moving at 2.8 arc sec/min as it passes its closest … Continue reading