Derek C Breit schreef: > I have the ability to perfectly measure the position of #31123, as I have it > on time inserted video from Jan 31st local time.. (It flew thru a lunar > occultation video).. > > So can I measure it from Jan 31st against the current elsets.. > > Should I do this?? Or should I always measure sats with elsets from the time > of the observation?? Derek, There is no need to involve an elset in the actual measurement. The elset is only used to predict the path (to facilitate observation). What you do is measure the position of the sat in RA and dec on a given time, using its position with respect to nearby reference stars. Good luck! - Marco :-) ----- Dr Marco Langbroek - SatTrackCam Leiden, the Netherlands. e-mail: sattrackcam@wanadoo.nl Cospar 4353 (Leiden): 52.15412 N, 4.49081 E (WGS84), +0 m ASL Cospar 4354 (De Wilck): 52.11685 N, 4.56016 E (WGS84), -2 m ASL SatTrackCam: http://home.wanadoo.nl/marco.langbroek/satcam.html Station (b)log: http://sattrackcam.blogspot.com ----- ------------------------------------------------------------------------- Subscribe/Unsubscribe info, Frequently Asked Questions, SeeSat-L archive: http://www.satobs.org/seesat/seesatindex.html
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