{
  "subject": "GRB 240414A: GAD Observatory, La Spezia, Italy ,upper limit",
  "eventId": "GRB 240414A",
  "body": "Claudio Lopresti (Gruppo Astronomia Digitale - GAD Observatory, La Spezia, Italy)\nMember of:\nUAI/SSV - Unione Astrofili Italiani/sezione stelle variabili, GRB section.\nGAD - Gruppo Astronomia Digitale.\n\nin a large collaboration with:\nM.G. Dainotti (National Astronomical Observatory of Japan), Y. Niino (Tokyo University, Institute of Astronomy), K. Kalinowski (Aarhus University, Department of Physics and Astronomy), B. De Simone (Universita' degli Studi Di Salerno), Unione Astrofili Italiani (UAI)\n\nreport:\nWe imaged the field of GRB 240414Adetected by SWIFT(trigger 1221714)\nwith the telescope LX200 12” of GAD Observatory, La Spezia, Italy\n\nThe observations started 1026 min after the GRB trigger,\nwith a Shmidt-Cassegrain telescope D=304 mm with reducer F/D=4.75.\nat the following position (+/- 2 arcsec):\n\nRA (J2000): 12h 19m 8.07s\nDec (J2000): +56d 44' 26.0\"\n\nscope D=300 mm F/D=4.8.\n\nWeather conditions were medium.\n\nThe observation with a series of exposures started at 024-04-14 19:28:17 UT\nand ended at 2024-04-14 22:27:10 UT\n\nWe co-added 88 exposures of 90 sec each.\n\nStart T0+         End T0+        R lim\n1026 min        1205 min      19,9\n\nWe did not found any optical counterpart in 12h 19m 8.07s +56d 44' 26.0\" position and in the error box of the XRT  candidate.\nref.: K.L. Page at U Leicester GCN 36083\n\nMagnitudes were estimated with the Gaia EDR3 cat. and\nare not corrected for galactic dust extinction.\n\nReference:\nhttps://www.parcodellestelle.com/\n\nThe message may be cited.\n\n\n\n",
  "bibcode": "2024GCN.36133....1L",
  "submitter": "Claudio Lopresti <cl3lop@gmail.com>",
  "createdOn": 1713263127452,
  "submittedHow": "email-legacy",
  "circularId": 36133
}