Hi Bill, I used SkyTools to create finder charts for Mars, Phobos & Deimos at 15-minute intervals for tonight. Here are the results. All times are MST. Position angle and separation are in relation to Mars: PHOBOS DEIMOS TIME P.A. SEP. P.A. SEP. 11:00p 275.5 2".3 117.5 42".3 11:15p 293.7 7".7 117.9 45".3 11:30p 296.8 13".0 118.3 48".1 11:45p 298.2 17".8 118.6 50".7 12:00a 299.0 21".9 119.0 53".3 12:15a 299.6 25".1 119.2 55".7 12:30a 300.1 27".3 119.5 57".9 Regards, Bill Ferris Flagstaff, AZ > Need website help, > > I'll be using a 24" scope tonight (Saturday) and would > like to visually spot Mars' two moons. Where can I > find out when Phobos and Deimos will be at greatest > elongations? Is there a website that lists this info? > Their greatest elongations are 1.4 and 3.6 diameters > respectively. > > Bill Peters > Bill Ferris "Cosmic Voyage: The Online Resource for Amateur Astronomers" URL: http://www.cosmic-voyage.net --- This message is from the AZ-Observing mailing list. If you wish to be removed from this list, send E-mail to: AZ-Observing-request@xxxxxxxxxxxxx, with the subject: unsubscribe. The list's archive is at: //www.freelists.org/archives/az-observing This is a discussion list. Please send personal inquiries directly to the message author. In other words, do not use "reply" for personal messages. Thanks.