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by PDC Skies
15 Jan 2022, 17:15
Forum: Image processing and analysis
Topic: AA8 Astrometry: consistent dec error vs MPC ephemeris
Replies: 1
Views: 1274

AA8 Astrometry: consistent dec error vs MPC ephemeris

Hi I've been practicing using AA8 to generate MPC reports of minor planets. When comparing my results to MPC online ephemeris (timed to the closest minute) my results consistently match their position in RA but I consistently get variance in DEC of up to +/- 1.4 arcsec. Keeping the OC tight (max of ...