From: Radu-Mihai Anghel Date: Tue, Mar 24, 2020 at 8:48 PM Subject: Messier Marathon, 18-19 March 2020, Bacau, Romania Hello, I'm writing to you about the Messier Marathon hold in Bacau, Romania on the night of 18-19 march 2020 with a total of 103 objects. My name is Radu Anghel and i work since June 2016 at Bacau Observatory and Planetarium, Romania. In 2018 I tried for the first time the Messier Marathon, with 32 objects in couple hours, then in 2019 with 52 objects in half-night. I was getting ready for the 21-23 March period for the marathon, but the weather forecast made me to advance the date for the night of 18-19 March 2020. Location: 15 km away from Bacau, Romania 46d30'43.4"N 26d49'30.8"E (46.512057, 26.825223). Sky Quality: 21.25, Bortle 4, with very good seeing. The time below is for local time (GMT+2h). The instruments used in tandem were (I tried to see each object trough all tree of them): - SW 4" ED100 + 11mm, 20mm, 25mm. (103 objects) - Zeiss Telementor 63/840mm + 16mm, 25 mm. (68 objects) - Levenhuk Atom 10x50 binoculars (52 objects) The sunset was at 18:22 local time and everything was ready to go at 18:30. The sunset objects became visible after 19:30 M31, 32, 110 - 19:30 M33 - 19:34 M52 - 19:42 M103 - 19:46 M74 - 19:48 (it was the third try - at 19:30 and 19:40 was not visible) M77 - 19:52 M76 - 19:55 M34 - 19:57 M79 - 20:00 Winter objects: M45 - 20:03 M1 - 20:05 M42,43 - 20:06 M78 - 20:08 M35 - 20:13 M36, 37, 38 - 20:15 M41 - 20:18 M93 - 20:20 M46, 47 - 20:23 M50 - 20:26 M48 - 20:29 M44 - 20:31 M67 - 20:32 Leo & Ursa M. objects: M95, 96, 105 - 20:38 M65, 66 - 20:43 M81, 82 - 20:48 M97, 108 - 20:53 M109 - 20:56 M40 - 20:58 M106 - 21:05 M94 - 21:10 M63 - 21:15 M51 - 21:21 M101 - 21:28 M102 - 21:33 M53 - 21:35 M64 - 21:41 M3 - 21:43 Virgo objects: M98 - 21:48 M99 - 21:50 M100 - 21:52 M85 - 21:55 M84, 86 - 21:57 M87 - 21:59 M89, 90 - 22:01 M88 - 22:03 M91 - 22:04 M58 - 22:20 M59, 60 - 22:22 M49 - 22:25 M61 - 22:27 M104 - 22:30 Rest time. I took wide field images for C/2019 Y4 (ATLAS) & M81-82 until 01:30, then I got back to visual. M83 - 01:50 M68 - 01:52 Summer objects: M5 - 02:10 M13 - 02:11 M92 - 02:14 M57 - 02:16 M56 - 02:19 M29 - 02:20 M39 - 02:25 M27 - 02:27 M71 - 02:30 M107 - 02:32 M12 - 02:37 M10 - 02:37 M14 - 02:40 M9 - 02:43 Scorpio & Sagittarius objects: M4 - 02:55 M80 - 02:57 M19 - 03:00 M62 - 03:02 M16 - 03:22 M17, 18 - 03:25 M24 - 03:26 M25 - 03:28 M23 - 03:30 M26 - 03:32 M11 - 03:33 M20, 21 - 03:35 M8 - 03:37 One hour break for imagining Jupiter-Mars conjunction. M28 - 04:42 M22 - 04:44 M6 - 04:50 M7 - 04:51 M69 - 04:55 M70 - 05:00 M54 - 05:02 The Moon (23%) was rising and the weather changed. At the end - 103 Messier objects. Missed objects: M15 (clouds), M75, M72, M73, M55, M75 and M30. Clear skies! Radu M. Anghel