https://www.astronomerstelegram.org Request for Observations, from The Astronomer's Telegram en-us https://www.astronomerstelegram.org/?read=18068 D. Yu. Rusanova, S. Dufoer, A. O. Simon, A. Yu. Korosko, J. K.T. Qvam, S. Kurowski, F.-J. Hambsch, W. Ogloza, N. Karaman, M. Dominik, P. J. Mikolajczyk, L. Wyrzykowski, K. Kotysz D. Yu. Rusanova, S. Dufoer, A. O. Simon, A. Yu. Korosko, J. K.T. Qvam, S. Kurowski, F.-J. Hambsch, W. Ogloza, N. Karaman, M. Dominik, P. J. Mikolajczyk, L. Wyrzykowski, K. Kotysz andrii.o.simon@gmail.com Credentialed by: Andrew Simon (skazhenijandrew@gmail.com) The Astronomer's Telegram ATel18068 Gaia22cax/CSS101127:000130+050624/AT 2020qvd is an SU UMa-type dwarf nova located in the period gap. Kato et al. (2017; doi: 10.1093/pasj/psx058) reported a superhump period of 0.09477(1)d during its 2016 superoutburst. ... 2026-09-21T23:02:55-00:00 https://www.astronomerstelegram.org/?read=18059 D. Yu. Rusanova, A. O. Simon, A. Yu. Korosko, P. J. Mikolajczyk, L. Wyrzykowski, K. Kotysz, V. V. Vasylenko D. Yu. Rusanova, A. O. Simon, A. Yu. Korosko, P. J. Mikolajczyk, L. Wyrzykowski, K. Kotysz, V. V. Vasylenko andrii.o.simon@gmail.com Credentialed by: Andrew Simon (skazhenijandrew@gmail.com) The Astronomer's Telegram ATel18059 The beginning of a new outburst of Gaia20cnt/ASASSN-14fc/AT 2020loj was detected during our monitoring of the object with a Unistellar eVscope (provided by Mike Simmons through the Astronomy for Equity program). ... 2026-09-19T07:45:08-00:00 https://www.astronomerstelegram.org/?read=18056 D. Yu. Rusanova, A. O. Simon, A. Yu. Korosko, P. J. Mikolajczyk, L. Wyrzykowski, K. Kotysz, J. K.T. Qvam, V. Bozza, S. Dufoer, S. Kurowski, V. V. Vasylenko D. Yu. Rusanova, A. O. Simon, A. Yu. Korosko, P. J. Mikolajczyk, L. Wyrzykowski, K. Kotysz, J. K.T. Qvam, V. Bozza, S. Dufoer, S. Kurowski, V. V. Vasylenko andrii.o.simon@gmail.com Credentialed by: Andrew Simon (skazhenijandrew@gmail.com) The Astronomer's Telegram ATel18056 MGAB-V233 is a well-known ER UMa-type dwarf nova characterized by frequent superoutbursts and a short supercycle of approximately 70-90 days. Its superoutbursts typically last about 20-30 days. ... 2026-09-18T21:05:56-00:00 https://www.astronomerstelegram.org/?read=18045 A. O. Simon, D. Yu. Rusanova, W. Ogloza, A. Yu. Korosko, P. J. Mikolajczyk, L. Wyrzykowski, K. Kotysz, O. Witkowska ), K. Siennicki A. O. Simon, D. Yu. Rusanova, W. Ogloza, A. Yu. Korosko, P. J. Mikolajczyk, L. Wyrzykowski, K. Kotysz, O. Witkowska ), K. Siennicki andrii.o.simon@gmail.com Credentialed by: Andrew Simon (skazhenijandrew@gmail.com) The Astronomer's Telegram ATel18045 We identified Gaia16ahk/AT 2016dun as a promising candidate for an SU UMa-type dwarf nova. Consequently, the occurrence of its next superoutburst was predicted by our Outbursts Alerting System. ... 2026-09-15T18:56:08-00:00 https://www.astronomerstelegram.org/?read=18032 F. Casaburo, S. Ciprini on behalf of the Fermi Large Area Telescope Collaboration F. Casaburo, S. Ciprini on behalf of the Fermi Large Area Telescope Collaboration fausto.casaburo@roma2.infn.it Credentialed by: Giovanni La Mura (giovanni.lamura@inaf.it) The Astronomer's Telegram ATel18032 The Large Area Telescope (LAT), one of the two instruments on the Fermi Gamma-ray Space Telescope, has observed gamma-ray activity from a source positionally consistent with the Seyfert 1 galaxy PKS 0521-36, also known as 4FGL J0522.9-3628 (Abdollahi et al. ... 2026-09-06T20:43:58-00:00 https://www.astronomerstelegram.org/?read=18013 A. Holzmann Airasca and P. Monti-Guarnieri, on behalf of the Fermi Large Area Telescope Collaboration A. Holzmann Airasca and P. Monti-Guarnieri, on behalf of the Fermi Large Area Telescope Collaboration a.holzmannairasca@unitn.it Credentialed by: Giovanni La Mura (giovanni.lamura@inaf.it) The Astronomer's Telegram ATel18013 In ATel #17968, we reported the Fermi-LAT detection of renewed activity from the flat-spectrum radio quasar 3C 395, with a daily averaged gamma-ray flux (E > 100MeV) of (3.2+/-0.3) X 10^-6 photons cm^-2 s^-1 (statistical uncertainty only), observed on August 15, 2026. ... 2026-08-26T15:30:19-00:00 https://www.astronomerstelegram.org/?read=18005 A. O. Simon, D. Yu. Rusanova, F.-J. Hambsch, W. Ogloza, N. Karaman, A. Yu. Korosko, P. J. Mikolajczyk, L. Wyrzykowski, K. Kotysz A. O. Simon, D. Yu. Rusanova, F.-J. Hambsch, W. Ogloza, N. Karaman, A. Yu. Korosko, P. J. Mikolajczyk, L. Wyrzykowski, K. Kotysz andrii.o.simon@gmail.com Credentialed by: Andrew Simon (skazhenijandrew@gmail.com) The Astronomer's Telegram ATel18005 Gaia16amd/MASTER OT J203529.80+063652.8/AT 2016dyj was identified by our Outbursts Alerting System as a promising candidate for an SU UMa-type dwarf nova. ... 2026-08-25T09:06:51-00:00 https://www.astronomerstelegram.org/?read=18000 G. La Mura, on behalf of the Fermi Large Area Telescope Collaboration G. La Mura, on behalf of the Fermi Large Area Telescope Collaboration giovanni.lamura@inaf.it Credentialed by: Giovanni La Mura (giovanni.lamura@inaf.it) The Astronomer's Telegram ATel18000 The Large Area Telescope (LAT), one of the two instruments on the Fermi Gamma-ray Space Telescope, has observed enhanced gamma-ray activity from a source positionally consistent with the flat-spectrum radio galaxy PKS 2331-240, also known as 4FGL J2333.9-2343 (Abdollahi et al. ... 2026-08-23T17:13:11-00:00