Op 1-11-2019 om 02:39 schreef Charles Phillips via Seesat-l: > I took some test photos from my house and they look great and should resolve just fine in Astrometry.net. For very accurate astrometric results (arcsecond level), why not use dedicated astrometric software like AstroRecord? You'll find it at the bottom of my software page: http://software.langbroek.org It will be crucial to check whether the GPS timestamp really conforms with the opening of the camera shutter. Cameras have internal delays. Also, if you measure both ends of a trail, check the true duration of exposures, as a "15-second" exposure often is not 15.00 seconds (with some older Canons it can be closer to 16 seconds!). Good luck! - Marco ----- Dr Marco Langbroek - SatTrackCam Leiden, the Netherlands. e-mail: sattrackcam_at_langbroek.org Station (b)log: http://sattrackcam.blogspot.com Twitter: _at_Marco_Langbroek ----- _______________________________________________ Seesat-l mailing list http://mailman.satobs.org/mailman/listinfo/seesat-lReceived on Fri Nov 01 2019 - 03:52:17 UTC
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