Name of object:m81da *** Seasonal Observability of m81da *** RA & dec: 8 23 56.0, 71 01 46, epoch 1950.0 Site long&lat: 7 03 54.4 (h.m.s) West, 41 05 54 North. NOTE -- This object is always at sec.z < 2.68 Shown: local eve. date, moon phase, hr ang and sec.z at (1) eve. twilight, (2) natural center of night, and (3) morning twilight; then comes number of nighttime hours during which object is at sec.z less than 3, 2, and 1.5. Night (and twilight) is defined by sun altitude < -18.0 degrees. Date (eve) moon eve cent morn night hrs@sec.z: HA sec.z HA sec.z HA sec.z <3 <2 <1.5 2009 Jun 6 F 6 08 1.6 8 32 2.1 10 56 2.6 4.8 1.8 0.0 2009 Jun 22 N 7 20 1.9 9 38 2.4 11 57 2.7 4.6 0.6 0.0 2009 Jul 6 F 8 11 2.1 10 36 2.6 -10 58 2.6 4.8 0.0 0.0 2009 Jul 21 N 8 54 2.2 11 37 2.7 -9 40 2.4 5.4 0.0 0.0 2009 Aug 5 F 9 29 2.4 -11 24 2.7 -8 18 2.1 6.2 0.0 0.0 2009 Aug 19 N 9 59 2.5 -10 32 2.6 -7 02 1.8 7.0 0.9 0.0 2009 Sep 3 F 10 29 2.5 -9 37 2.4 -5 42 1.6 7.8 2.2 0.0 2009 Sep 17 N 10 57 2.6 -8 47 2.2 -4 29 1.4 8.5 3.4 0.8 2009 Oct 3 F 11 31 2.7 -7 49 2.0 -3 08 1.3 9.3 4.8 2.1 2009 Oct 17 N -11 56 2.7 -6 57 1.8 -1 58 1.2 9.9 6.0 3.3 2009 Nov 2 F -11 13 2.6 -5 56 1.6 -0 38 1.2 10.5 7.3 4.6 2009 Nov 16 N -10 29 2.5 -4 59 1.5 0 31 1.2 11.0 8.4 5.8 2009 Dec 1 F -9 36 2.4 -3 56 1.3 1 45 1.2 11.3 9.7 7.0 2009 Dec 15 N -8 39 2.2 -2 54 1.2 2 51 1.2 11.5 10.8 8.1 2009 Dec 31 F -7 27 1.9 -1 43 1.2 4 00 1.3 11.4 11.4 9.3 2010 Jan 14 N -6 20 1.7 -0 42 1.2 4 55 1.4 11.2 11.2 10.2 2010 Jan 29 F -5 05 1.5 0 21 1.2 5 46 1.6 10.8 10.8 10.3 2010 Feb 13 N -3 50 1.3 1 21 1.2 6 31 1.7 10.3 10.3 9.1 2010 Feb 27 F -2 39 1.2 2 14 1.2 7 07 1.8 9.7 9.7 7.9 2010 Mar 15 N -1 17 1.2 3 14 1.3 7 44 2.0 9.0 9.0 6.6 2010 Mar 29 F -0 05 1.2 4 05 1.4 8 13 2.1 8.3 8.0 5.3 2010 Apr 13 N 1 15 1.2 5 00 1.5 8 44 2.2 7.5 6.7 4.0 2010 Apr 27 F 2 31 1.2 5 52 1.6 9 12 2.3 6.7 5.4 2.8 2010 May 13 N 4 00 1.3 6 54 1.8 9 48 2.4 5.8 3.9 1.3 2010 May 27 F 5 16 1.5 7 50 2.0 10 24 2.5 5.1 2.7 0.0 2010 Jun 11 N 6 31 1.7 8 52 2.2 11 12 2.6 4.7 1.4 0.0 2010 Jun 25 F 7 31 1.9 9 50 2.4 -11 51 2.7 4.6 0.4 0.0 2010 Jul 11 N 8 26 2.1 10 56 2.6 -10 34 2.6 5.0 0.0 0.0