Astronomical calculator program, by John Thorstensen. *SELECT SITE* - Enter single-character code: n .. NEW SITE, prompts for all parameters. x .. exit without change (current: Kitt Peak) k .. Kitt Peak [MDM Obs.] s .. Shattuck Observatory, Dartmouth College, Hanover NH e .. European Southern Obs, La Silla a .. Anglo-Australian Telelescope, Siding Spring h .. Mt. Hopkins, AZ (MMT, FLWO) p .. Palomar Observatory t .. Cerro Tololo r .. Roque de los Muchachos, La Palma, Canary Is. b .. Black Moshannon Obs., Penn State U. d .. Dominion Astrophysical Obs., Victoria, BC o .. McDonald Observatory, Mt. Locke, Texas m .. Mauna Kea, Hawaii l .. Lick Observatory Your answer --> You have selected Roque de los Muchachos (This can be changed later using the 's' [site] command. DATE AND TIME SET AUTOMATICALLY USING SYSTEM CLOCK ... to Sat, 1995 Apr 22, time 10 31 43.0 local time (night-date is on, so internal value of date set to last evening) (NOTE: time does NOT automatically update; 'T' reads clock again.) COORDINATES SET TO ZENITH: 22 18 00.3, 28 31 49, epoch 1950.0 READY TO COMPUTE. Use simple commands to set the date, time, RA dec, and so on; then use other commands to compute and display observability information. NEW or RUSTY USERS: type 'f' (and return) for FAST guided tour. This reads from a file of objects. Format is as follows, name_no_blanks<20char hr mn sec deg mn sec epoch [opt._user_float] with exactly 1 object per line, blanks between fields, otherwise free-form. Anything after the optional user-defined floating pt number is ignored. Error checking is unsophisticated; maximum of 499 objects. Give name of file of objects (or QUIT): opened ... .... 11 objects read from file. (eXtra goodies doesn't loop.) Back in main commands, 'Q' quits, '?' menu, 'f' fast tour. RA and dec will be set to list object you name. Give exact object name: Object found -- name, coords, epoch, user#, HA, airmass --- SN1 2 37 32.2 -1 46 58 1950.0 99.90 -4 20 2.79 COORDINATES ARE NOW SET TO THIS OBJECT. (eXtra goodies doesn't loop.) Back in main commands, 'Q' quits, '?' menu, 'f' fast tour. This types out a summary of the observability of your object through the observing season. Observability is summarized at new & full moon through a range of dates you specify. (a 24-line display holds about a 6-month range.) Give approx. starting date, yyyy mm dd, neg year exits:Give ending date for listing:You must now specify the altitude of the sun which defines twilight. Type -18. , or give a non-standard choice:Name of object: *** Seasonal Observability of SN1 *** RA & dec: 2 37 32.2, -1 46 58, epoch 1950.0 Site long&lat: 1 11 31.2 (h.m.s) West, 28 45 30 North. 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 1995 Apr 14 F 6 37 down 10 51 down -8 55 down 0.0 0.0 0.0 1995 Apr 29 N 7 49 down 11 48 down -8 14 down 0.0 0.0 0.0 1995 May 14 F 9 01 down -11 14 down -7 30 down 0.0 0.0 0.0 1995 May 28 N 10 07 down -10 18 down -6 44 down 0.0 0.0 0.0 1995 Jun 12 F 11 16 down -9 16 down -5 49 33.5 0.0 0.0 0.0 1995 Jun 27 N -11 41 down -8 14 down -4 47 3.8 0.0 0.0 0.0 1995 Jul 11 F -10 49 down -7 16 down -3 44 2.1 0.7 0.0 0.0 1995 Jul 27 N -9 56 down -6 12 down -2 29 1.5 2.0 1.1 0.1 1995 Aug 10 F -9 14 down -5 18 6.9 -1 22 1.2 3.1 2.2 1.2 1995 Aug 25 N -8 33 down -4 23 2.9 -0 12 1.2 4.2 3.4 2.4 1995 Sep 8 F -7 56 down -3 32 1.9 0 53 1.2 5.3 4.5 3.5 1995 Sep 24 N -7 14 down -2 34 1.5 2 05 1.4 6.5 5.7 4.7 1995 Oct 8 F -6 35 down -1 44 1.3 3 08 1.7 7.6 6.7 5.2 1995 Oct 23 N -5 51 46.7 -0 48 1.2 4 16 2.7 8.7 7.2 5.2 1995 Nov 6 F -5 06 5.2 0 07 1.2 5 20 7.1 8.9 7.2 5.2 1995 Nov 22 N -4 08 2.5 1 12 1.2 6 33 down 8.6 7.2 5.2 1995 Dec 6 F -3 13 1.8 2 13 1.4 7 38 down 7.6 6.8 5.2 1995 Dec 21 N -2 09 1.4 3 19 1.8 8 46 down 6.6 5.7 4.7 1996 Jan 5 F -1 01 1.2 4 25 3.0 9 51 down 5.4 4.6 3.6 1996 Jan 19 N 0 05 1.2 5 26 8.5 10 47 down 4.4 3.5 2.5 1996 Feb 4 F 1 19 1.2 6 32 down 11 45 down 3.1 2.3 1.3 1996 Feb 18 N 2 24 1.4 7 27 down -11 29 down 2.0 1.2 0.2 1996 Mar 4 F 3 32 1.9 8 24 down -10 44 down 0.9 0.1 0.0 1996 Mar 18 N 4 36 3.3 9 15 down -10 05 down 0.0 0.0 0.0 1996 Apr 3 F 5 50 37.6 10 14 down -9 22 down 0.0 0.0 0.0 Listing done. 'f' gives tutorial, '?' prints a menu. RA and dec will be set to list object you name. Give exact object name: Object found -- name, coords, epoch, user#, HA, airmass --- SN2 3 03 33.8 17 07 01 1950.0 99.90 -4 46 2.45 COORDINATES ARE NOW SET TO THIS OBJECT. (eXtra goodies doesn't loop.) Back in main commands, 'Q' quits, '?' menu, 'f' fast tour. This types out a summary of the observability of your object through the observing season. Observability is summarized at new & full moon through a range of dates you specify. (a 24-line display holds about a 6-month range.) Give approx. starting date, yyyy mm dd, neg year exits:Give ending date for listing:You must now specify the altitude of the sun which defines twilight. Type -18. , or give a non-standard choice:Name of object: *** Seasonal Observability of SN2 *** RA & dec: 3 03 33.8, 17 07 01, epoch 1950.0 Site long&lat: 1 11 31.2 (h.m.s) West, 28 45 30 North. 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 1995 Apr 14 F 6 11 9.8 10 25 down -9 21 down 0.0 0.0 0.0 1995 Apr 29 N 7 22 down 11 21 down -8 40 down 0.0 0.0 0.0 1995 May 14 F 8 34 down -11 41 down -7 56 down 0.0 0.0 0.0 1995 May 28 N 9 41 down -10 44 down -7 10 down 0.0 0.0 0.0 1995 Jun 12 F 10 49 down -9 43 down -6 15 11.3 0.0 0.0 0.0 1995 Jun 27 N 11 52 down -8 40 down -5 13 3.2 0.0 0.0 0.0 1995 Jul 11 F -11 15 down -7 43 down -4 10 1.9 0.9 0.1 0.0 1995 Jul 27 N -10 22 down -6 39 v.low -2 55 1.3 2.2 1.4 0.5 1995 Aug 10 F -9 40 down -5 45 5.0 -1 49 1.1 3.3 2.5 1.6 1995 Aug 25 N -8 59 down -4 49 2.5 -0 38 1.0 4.5 3.7 2.8 1995 Sep 8 F -8 22 down -3 58 1.8 0 27 1.0 5.6 4.7 3.9 1995 Sep 24 N -7 40 down -3 01 1.4 1 39 1.1 6.8 6.0 5.1 1995 Oct 8 F -7 01 down -2 10 1.2 2 42 1.3 7.8 7.0 6.1 1995 Oct 23 N -6 17 12.5 -1 14 1.1 3 50 1.7 8.9 8.1 6.8 1995 Nov 6 F -5 32 4.1 -0 19 1.0 4 53 2.6 10.0 8.6 6.8 1995 Nov 22 N -4 35 2.2 0 46 1.0 6 07 8.6 9.7 8.6 6.8 1995 Dec 6 F -3 39 1.6 1 46 1.1 7 12 down 8.8 7.9 6.8 1995 Dec 21 N -2 35 1.3 2 53 1.3 8 20 down 7.7 6.9 6.0 1996 Jan 5 F -1 27 1.1 3 59 1.8 9 25 down 6.6 5.7 4.9 1996 Jan 19 N -0 22 1.0 4 59 2.8 10 21 down 5.5 4.7 3.8 1996 Feb 4 F 0 53 1.0 6 06 8.2 11 19 down 4.2 3.4 2.5 1996 Feb 18 N 1 57 1.1 7 01 down -11 56 down 3.2 2.4 1.5 1996 Mar 4 F 3 06 1.4 7 58 down -11 11 down 2.0 1.2 0.3 1996 Mar 18 N 4 10 1.9 8 49 down -10 32 down 1.0 0.2 0.0 1996 Apr 3 F 5 23 3.6 9 47 down -9 49 down 0.0 0.0 0.0 Listing done. 'f' gives tutorial, '?' prints a menu. RA and dec will be set to list object you name. Give exact object name: Object found -- name, coords, epoch, user#, HA, airmass --- SN3 11 47 25.1 10 59 39 1950.0 99.90 10 30 down COORDINATES ARE NOW SET TO THIS OBJECT. (eXtra goodies doesn't loop.) Back in main commands, 'Q' quits, '?' menu, 'f' fast tour. This types out a summary of the observability of your object through the observing season. Observability is summarized at new & full moon through a range of dates you specify. (a 24-line display holds about a 6-month range.) Give approx. starting date, yyyy mm dd, neg year exits:Give ending date for listing:You must now specify the altitude of the sun which defines twilight. Type -18. , or give a non-standard choice:Name of object: *** Seasonal Observability of SN3 *** RA & dec: 11 47 25.1, 10 59 39, epoch 1950.0 Site long&lat: 1 11 31.2 (h.m.s) West, 28 45 30 North. 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 1995 Apr 14 F -2 33 1.3 1 41 1.2 5 55 9.2 7.4 6.6 5.7 1995 Apr 29 N -1 21 1.1 2 38 1.3 6 36 down 6.2 5.4 4.5 1995 May 14 F -0 09 1.1 3 36 1.7 7 21 down 5.0 4.2 3.3 1995 May 28 N 0 57 1.1 4 32 2.4 8 06 down 3.9 3.1 2.2 1995 Jun 12 F 2 06 1.2 5 34 5.3 9 01 down 2.8 2.0 1.1 1995 Jun 27 N 3 09 1.5 6 36 down 10 03 down 1.8 1.0 0.1 1995 Jul 11 F 4 01 1.9 7 34 down 11 06 down 0.9 0.1 0.0 1995 Jul 27 N 4 54 3.0 8 38 down -11 39 down 0.0 0.0 0.0 1995 Aug 10 F 5 36 5.6 9 32 down -10 32 down 0.0 0.0 0.0 1995 Aug 25 N 6 17 39.2 10 28 down -9 22 down 0.0 0.0 0.0 1995 Sep 8 F 6 54 down 11 18 down -8 17 down 0.0 0.0 0.0 1995 Sep 24 N 7 36 down -11 44 down -7 05 down 0.0 0.0 0.0 1995 Oct 8 F 8 15 down -10 54 down -6 02 12.0 0.0 0.0 0.0 1995 Oct 23 N 8 59 down -9 58 down -4 54 3.0 0.0 0.0 0.0 1995 Nov 6 F 9 44 down -9 03 down -3 50 1.8 1.1 0.3 0.0 1995 Nov 22 N 10 42 down -7 57 down -2 36 1.3 2.3 1.5 0.6 1995 Dec 6 F 11 37 down -6 57 down -1 32 1.1 3.4 2.6 1.7 1995 Dec 21 N -11 18 down -5 51 8.1 -0 24 1.1 4.5 3.7 2.8 1996 Jan 5 F -10 10 down -4 45 2.7 0 41 1.1 5.6 4.8 3.9 1996 Jan 19 N -9 05 down -3 44 1.8 1 37 1.1 6.5 5.7 4.8 1996 Feb 4 F -7 51 down -2 38 1.3 2 35 1.3 7.5 6.7 5.8 1996 Feb 18 N -6 46 down -1 43 1.2 3 21 1.6 8.2 7.4 6.4 1996 Mar 4 F -5 38 5.8 -0 46 1.1 4 06 2.0 9.0 8.2 6.4 1996 Mar 18 N -4 34 2.5 0 06 1.1 4 45 2.7 9.3 8.2 6.4 1996 Apr 3 F -3 20 1.6 1 04 1.1 5 28 4.7 8.2 7.4 6.4 Listing done. 'f' gives tutorial, '?' prints a menu. RA and dec will be set to list object you name. Give exact object name: Object found -- name, coords, epoch, user#, HA, airmass --- SN4 12 19 38.7 -0 51 47 1950.0 99.90 9 58 down COORDINATES ARE NOW SET TO THIS OBJECT. (eXtra goodies doesn't loop.) Back in main commands, 'Q' quits, '?' menu, 'f' fast tour. This types out a summary of the observability of your object through the observing season. Observability is summarized at new & full moon through a range of dates you specify. (a 24-line display holds about a 6-month range.) Give approx. starting date, yyyy mm dd, neg year exits:Give ending date for listing:You must now specify the altitude of the sun which defines twilight. Type -18. , or give a non-standard choice:Name of object: *** Seasonal Observability of SN4 *** RA & dec: 12 19 38.7, -0 51 47, epoch 1950.0 Site long&lat: 1 11 31.2 (h.m.s) West, 28 45 30 North. 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 1995 Apr 14 F -3 05 1.7 1 09 1.2 5 23 7.6 7.5 6.7 5.3 1995 Apr 29 N -1 54 1.3 2 05 1.4 6 04 down 6.3 5.5 4.5 1995 May 14 F -0 42 1.2 3 04 1.7 6 48 down 5.1 4.3 3.3 1995 May 28 N 0 25 1.2 4 00 2.3 7 34 down 4.0 3.2 2.2 1995 Jun 12 F 1 34 1.3 5 01 4.7 8 29 down 2.9 2.1 1.1 1995 Jun 27 N 2 37 1.5 6 04 down 9 31 down 1.9 1.0 0.0 1995 Jul 11 F 3 29 1.9 7 01 down 10 34 down 1.0 0.1 0.0 -- CAUTION -- proximity to Mars -- low-precision calculation shows this direction as 1.72 deg away from Mars --- 1995 Jul 27 N 4 22 2.8 8 05 down 11 49 down 0.1 0.0 0.0 1995 Aug 10 F 5 04 4.9 8 59 down -11 04 down 0.0 0.0 0.0 1995 Aug 25 N 5 45 20.6 9 55 down -9 54 down 0.0 0.0 0.0 1995 Sep 8 F 6 22 down 10 46 down -8 49 down 0.0 0.0 0.0 1995 Sep 24 N 7 04 down 11 44 down -7 37 down 0.0 0.0 0.0 -- CAUTION -- proximity to Mercury -- low-precision calculation shows this direction as 2.63 deg away from Mercury --- 1995 Oct 8 F 7 43 down -11 26 down -6 34 down 0.0 0.0 0.0 1995 Oct 23 N 8 27 down -10 30 down -5 26 8.4 0.0 0.0 0.0 1995 Nov 6 F 9 12 down -9 35 down -4 22 2.8 0.1 0.0 0.0 1995 Nov 22 N 10 09 down -8 30 down -3 09 1.7 1.3 0.5 0.0 1995 Dec 6 F 11 05 down -7 30 down -2 04 1.3 2.4 1.6 0.6 1995 Dec 21 N -11 51 down -6 23 down -0 56 1.2 3.5 2.7 1.7 1996 Jan 5 F -10 43 down -5 17 6.5 0 09 1.2 4.6 3.8 2.8 1996 Jan 19 N -9 38 down -4 16 2.7 1 05 1.2 5.5 4.7 3.7 1996 Feb 4 F -8 23 down -3 10 1.7 2 03 1.3 6.5 5.7 4.7 1996 Feb 18 N -7 19 down -2 15 1.4 2 49 1.6 7.3 6.4 5.3 1996 Mar 4 F -6 10 down -1 18 1.2 3 33 1.9 8.0 7.2 5.3 1996 Mar 18 N -5 06 5.1 -0 27 1.2 4 12 2.6 8.6 7.2 5.3 1996 Apr 3 F -3 53 2.2 0 32 1.2 4 55 4.3 8.3 7.2 5.3 Listing done. 'f' gives tutorial, '?' prints a menu. RA and dec will be set to list object you name. Give exact object name: Object found -- name, coords, epoch, user#, HA, airmass --- SN5 2 37 29.6 -1 50 06 1950.0 99.90 -4 20 2.80 COORDINATES ARE NOW SET TO THIS OBJECT. (eXtra goodies doesn't loop.) Back in main commands, 'Q' quits, '?' menu, 'f' fast tour. This types out a summary of the observability of your object through the observing season. Observability is summarized at new & full moon through a range of dates you specify. (a 24-line display holds about a 6-month range.) Give approx. starting date, yyyy mm dd, neg year exits:Give ending date for listing:You must now specify the altitude of the sun which defines twilight. Type -18. , or give a non-standard choice:Name of object: *** Seasonal Observability of SN5 *** RA & dec: 2 37 29.6, -1 50 06, epoch 1950.0 Site long&lat: 1 11 31.2 (h.m.s) West, 28 45 30 North. 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 1995 Apr 14 F 6 37 down 10 51 down -8 55 down 0.0 0.0 0.0 1995 Apr 29 N 7 49 down 11 48 down -8 14 down 0.0 0.0 0.0 1995 May 14 F 9 01 down -11 14 down -7 30 down 0.0 0.0 0.0 1995 May 28 N 10 07 down -10 18 down -6 44 down 0.0 0.0 0.0 1995 Jun 12 F 11 16 down -9 16 down -5 49 33.8 0.0 0.0 0.0 1995 Jun 27 N -11 41 down -8 14 down -4 47 3.8 0.0 0.0 0.0 1995 Jul 11 F -10 49 down -7 16 down -3 44 2.1 0.7 0.0 0.0 1995 Jul 27 N -9 56 down -6 12 down -2 29 1.5 2.0 1.1 0.1 1995 Aug 10 F -9 14 down -5 18 6.9 -1 22 1.2 3.1 2.2 1.2 1995 Aug 25 N -8 33 down -4 22 2.9 -0 12 1.2 4.2 3.4 2.4 1995 Sep 8 F -7 56 down -3 32 1.9 0 53 1.2 5.3 4.5 3.5 1995 Sep 24 N -7 14 down -2 34 1.5 2 05 1.4 6.5 5.7 4.7 1995 Oct 8 F -6 35 down -1 44 1.3 3 08 1.7 7.6 6.7 5.2 1995 Oct 23 N -5 51 47.3 -0 48 1.2 4 16 2.7 8.7 7.2 5.2 1995 Nov 6 F -5 06 5.2 0 07 1.2 5 20 7.2 8.9 7.2 5.2 1995 Nov 22 N -4 08 2.5 1 13 1.2 6 34 down 8.6 7.2 5.2 1995 Dec 6 F -3 13 1.8 2 13 1.4 7 38 down 7.6 6.8 5.2 1995 Dec 21 N -2 09 1.4 3 19 1.8 8 46 down 6.6 5.7 4.7 1996 Jan 5 F -1 00 1.2 4 25 3.0 9 51 down 5.4 4.6 3.6 1996 Jan 19 N 0 05 1.2 5 26 8.6 10 47 down 4.4 3.5 2.5 1996 Feb 4 F 1 19 1.2 6 32 down 11 45 down 3.1 2.3 1.3 1996 Feb 18 N 2 24 1.4 7 27 down -11 29 down 2.0 1.2 0.2 1996 Mar 4 F 3 32 1.9 8 24 down -10 44 down 0.9 0.1 0.0 1996 Mar 18 N 4 36 3.3 9 15 down -10 05 down 0.0 0.0 0.0 1996 Apr 3 F 5 50 38.4 10 14 down -9 22 down 0.0 0.0 0.0 Listing done. 'f' gives tutorial, '?' prints a menu. RA and dec will be set to list object you name. Give exact object name: Object found -- name, coords, epoch, user#, HA, airmass --- SN6 10 16 07.4 51 07 23 1950.0 99.90 -11 59 down COORDINATES ARE NOW SET TO THIS OBJECT. (eXtra goodies doesn't loop.) Back in main commands, 'Q' quits, '?' menu, 'f' fast tour. This types out a summary of the observability of your object through the observing season. Observability is summarized at new & full moon through a range of dates you specify. (a 24-line display holds about a 6-month range.) Give approx. starting date, yyyy mm dd, neg year exits:Give ending date for listing:You must now specify the altitude of the sun which defines twilight. Type -18. , or give a non-standard choice:Name of object: *** Seasonal Observability of SN6 *** RA & dec: 10 16 07.4, 51 07 23, epoch 1950.0 Site long&lat: 1 11 31.2 (h.m.s) West, 28 45 30 North. 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 1995 Apr 14 F -1 02 1.1 3 12 1.3 7 26 5.8 7.3 6.1 4.9 1995 Apr 29 N 0 09 1.1 4 08 1.6 8 07 12.1 6.1 4.9 3.7 1995 May 14 F 1 21 1.1 5 06 2.0 8 51 down 4.9 3.7 2.5 1995 May 28 N 2 28 1.2 6 03 2.7 9 37 down 3.8 2.6 1.4 1995 Jun 12 F 3 37 1.4 7 04 4.5 10 32 down 2.7 1.5 0.3 1995 Jun 27 N 4 39 1.8 8 07 12.1 11 34 down 1.6 0.5 0.0 1995 Jul 11 F 5 32 2.3 9 04 down -11 23 down 0.7 0.0 0.0 1995 Jul 27 N 6 25 3.2 10 08 down -10 08 down 0.0 0.0 0.0 1995 Aug 10 F 7 07 4.7 11 02 down -9 01 down 0.0 0.0 0.0 1995 Aug 25 N 7 48 8.2 11 58 down -7 51 8.6 0.0 0.0 0.0 1995 Sep 8 F 8 25 21.4 -11 11 down -6 46 3.8 0.0 0.0 0.0 1995 Sep 24 N 9 07 down -10 13 down -5 34 2.3 0.7 0.0 0.0 1995 Oct 8 F 9 46 down -9 23 down -4 31 1.7 1.8 0.6 0.0 1995 Oct 23 N 10 30 down -8 27 23.4 -3 23 1.4 2.9 1.7 0.5 1995 Nov 6 F 11 15 down -7 32 6.4 -2 19 1.2 3.9 2.8 1.5 1995 Nov 22 N -11 48 down -6 27 3.2 -1 06 1.1 5.2 4.0 2.8 1995 Dec 6 F -10 52 down -5 27 2.2 -0 01 1.1 6.2 5.1 3.8 1995 Dec 21 N -9 48 down -4 20 1.6 1 07 1.1 7.4 6.2 5.0 1996 Jan 5 F -8 40 54.1 -3 14 1.4 2 12 1.2 8.4 7.3 6.0 1996 Jan 19 N -7 35 6.6 -2 13 1.2 3 08 1.3 9.4 8.2 7.0 1996 Feb 4 F -6 20 3.1 -1 07 1.1 4 06 1.6 10.3 9.2 7.7 1996 Feb 18 N -5 16 2.1 -0 12 1.1 4 51 1.9 10.1 9.9 7.7 1996 Mar 4 F -4 07 1.6 0 45 1.1 5 36 2.3 9.7 9.2 7.7 1996 Mar 18 N -3 03 1.3 1 36 1.1 6 15 3.0 9.3 8.1 6.9 1996 Apr 3 F -1 50 1.2 2 35 1.2 6 58 4.3 8.1 6.9 5.7 Listing done. 'f' gives tutorial, '?' prints a menu. RA and dec will be set to list object you name. Give exact object name: Object found -- name, coords, epoch, user#, HA, airmass --- SN7 22 41 45.1 -0 08 58 1950.0 99.90 -0 24 1.15 COORDINATES ARE NOW SET TO THIS OBJECT. (eXtra goodies doesn't loop.) Back in main commands, 'Q' quits, '?' menu, 'f' fast tour. This types out a summary of the observability of your object through the observing season. Observability is summarized at new & full moon through a range of dates you specify. (a 24-line display holds about a 6-month range.) Give approx. starting date, yyyy mm dd, neg year exits:Give ending date for listing:You must now specify the altitude of the sun which defines twilight. Type -18. , or give a non-standard choice:Name of object: *** Seasonal Observability of SN7 *** RA & dec: 22 41 45.1, -0 08 58, epoch 1950.0 Site long&lat: 1 11 31.2 (h.m.s) West, 28 45 30 North. 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 1995 Apr 14 F 10 33 down -9 13 down -4 59 4.3 0.0 0.0 0.0 1995 Apr 29 N 11 44 down -8 17 down -4 18 2.6 0.2 0.0 0.0 1995 May 14 F -11 04 down -7 19 down -3 34 1.9 0.9 0.1 0.0 1995 May 28 N -9 57 down -6 22 down -2 48 1.5 1.7 0.9 0.0 1995 Jun 12 F -8 49 down -5 21 6.7 -1 53 1.3 2.6 1.8 0.8 1995 Jun 27 N -7 46 down -4 18 2.7 -0 51 1.2 3.7 2.8 1.8 1995 Jul 11 F -6 53 down -3 21 1.8 0 12 1.1 4.7 3.9 2.9 1995 Jul 27 N -6 00 v.low -2 17 1.4 1 27 1.2 5.9 5.1 4.1 1995 Aug 10 F -5 18 6.3 -1 23 1.2 2 34 1.5 7.1 6.2 5.2 1995 Aug 25 N -4 37 3.2 -0 27 1.1 3 44 2.0 8.2 7.4 5.4 1995 Sep 8 F -4 00 2.3 0 24 1.1 4 49 3.7 8.5 7.4 5.4 1995 Sep 24 N -3 18 1.8 1 21 1.2 6 01 down 7.8 7.0 5.4 1995 Oct 8 F -2 39 1.5 2 12 1.4 7 04 down 7.2 6.3 5.3 1995 Oct 23 N -1 55 1.3 3 08 1.7 8 12 down 6.4 5.6 4.6 1995 Nov 6 F -1 10 1.2 4 03 2.3 9 15 down 5.7 4.8 3.9 1995 Nov 22 N -0 13 1.1 5 08 5.1 10 29 down 4.7 3.9 2.9 1995 Dec 6 F 0 43 1.2 6 08 down 11 34 down 3.8 3.0 2.0 1995 Dec 21 N 1 47 1.3 7 15 down -11 18 down 2.7 1.9 0.9 1996 Jan 5 F 2 55 1.6 8 21 down -10 13 down 1.6 0.8 0.0 1996 Jan 19 N 4 00 2.3 9 22 down -9 17 down 0.5 0.0 0.0 1996 Feb 4 F 5 15 5.8 10 28 down -8 19 down 0.0 0.0 0.0 1996 Feb 18 N 6 19 down 11 23 down -7 34 down 0.0 0.0 0.0 1996 Mar 4 F 7 28 down -11 40 down -6 49 down 0.0 0.0 0.0 1996 Mar 18 N 8 32 down -10 49 down -6 10 down 0.0 0.0 0.0 1996 Apr 3 F 9 45 down -9 51 down -5 27 7.8 0.0 0.0 0.0 Listing done. 'f' gives tutorial, '?' prints a menu. RA and dec will be set to list object you name. Give exact object name: Object found -- name, coords, epoch, user#, HA, airmass --- CSN16 22 41 46.7 -0 13 47 1950.0 99.90 -0 24 1.15 COORDINATES ARE NOW SET TO THIS OBJECT. (eXtra goodies doesn't loop.) Back in main commands, 'Q' quits, '?' menu, 'f' fast tour. This types out a summary of the observability of your object through the observing season. Observability is summarized at new & full moon through a range of dates you specify. (a 24-line display holds about a 6-month range.) Give approx. starting date, yyyy mm dd, neg year exits:Give ending date for listing:You must now specify the altitude of the sun which defines twilight. Type -18. , or give a non-standard choice:Name of object: *** Seasonal Observability of CSN16 *** RA & dec: 22 41 46.7, -0 13 47, epoch 1950.0 Site long&lat: 1 11 31.2 (h.m.s) West, 28 45 30 North. 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 1995 Apr 14 F 10 33 down -9 13 down -4 59 4.4 0.0 0.0 0.0 1995 Apr 29 N 11 44 down -8 17 down -4 18 2.7 0.2 0.0 0.0 1995 May 14 F -11 04 down -7 19 down -3 34 1.9 0.9 0.1 0.0 1995 May 28 N -9 57 down -6 22 down -2 48 1.5 1.7 0.9 0.0 1995 Jun 12 F -8 49 down -5 21 6.7 -1 53 1.3 2.6 1.8 0.8 1995 Jun 27 N -7 46 down -4 18 2.7 -0 51 1.2 3.6 2.8 1.8 1995 Jul 11 F -6 53 down -3 21 1.8 0 12 1.1 4.7 3.9 2.9 1995 Jul 27 N -6 00 v.low -2 17 1.4 1 27 1.2 5.9 5.1 4.1 1995 Aug 10 F -5 18 6.3 -1 23 1.2 2 33 1.5 7.0 6.2 5.2 1995 Aug 25 N -4 37 3.2 -0 27 1.1 3 44 2.0 8.2 7.3 5.4 1995 Sep 8 F -4 00 2.3 0 24 1.1 4 49 3.7 8.5 7.3 5.4 1995 Sep 24 N -3 18 1.8 1 21 1.2 6 01 down 7.8 7.0 5.4 1995 Oct 8 F -2 39 1.5 2 12 1.4 7 04 down 7.1 6.3 5.3 1995 Oct 23 N -1 55 1.3 3 08 1.7 8 12 down 6.4 5.6 4.6 1995 Nov 6 F -1 10 1.2 4 03 2.3 9 15 down 5.7 4.8 3.9 1995 Nov 22 N -0 13 1.1 5 08 5.1 10 29 down 4.7 3.9 2.9 1995 Dec 6 F 0 43 1.2 6 08 down 11 34 down 3.8 3.0 2.0 1995 Dec 21 N 1 47 1.3 7 15 down -11 18 down 2.7 1.9 0.9 1996 Jan 5 F 2 55 1.6 8 21 down -10 13 down 1.6 0.8 0.0 1996 Jan 19 N 4 00 2.3 9 21 down -9 17 down 0.5 0.0 0.0 1996 Feb 4 F 5 15 5.8 10 28 down -8 19 down 0.0 0.0 0.0 1996 Feb 18 N 6 19 down 11 23 down -7 34 down 0.0 0.0 0.0 1996 Mar 4 F 7 28 down -11 40 down -6 49 down 0.0 0.0 0.0 1996 Mar 18 N 8 32 down -10 49 down -6 10 down 0.0 0.0 0.0 1996 Apr 3 F 9 45 down -9 51 down -5 27 7.9 0.0 0.0 0.0 Listing done. 'f' gives tutorial, '?' prints a menu. RA and dec will be set to list object you name. Give exact object name: Object found -- name, coords, epoch, user#, HA, airmass --- CSN19 2 58 44.7 0 09 52 1950.0 99.90 -4 41 3.34 COORDINATES ARE NOW SET TO THIS OBJECT. (eXtra goodies doesn't loop.) Back in main commands, 'Q' quits, '?' menu, 'f' fast tour. This types out a summary of the observability of your object through the observing season. Observability is summarized at new & full moon through a range of dates you specify. (a 24-line display holds about a 6-month range.) Give approx. starting date, yyyy mm dd, neg year exits:Give ending date for listing:You must now specify the altitude of the sun which defines twilight. Type -18. , or give a non-standard choice:Name of object: *** Seasonal Observability of CSN19 *** RA & dec: 2 58 44.7, 0 09 52, epoch 1950.0 Site long&lat: 1 11 31.2 (h.m.s) West, 28 45 30 North. 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 1995 Apr 14 F 6 16 down 10 30 down -9 16 down 0.0 0.0 0.0 1995 Apr 29 N 7 27 down 11 26 down -8 35 down 0.0 0.0 0.0 1995 May 14 F 8 39 down -11 36 down -7 51 down 0.0 0.0 0.0 1995 May 28 N 9 46 down -10 39 down -7 05 down 0.0 0.0 0.0 1995 Jun 12 F 10 54 down -9 38 down -6 10 down 0.0 0.0 0.0 1995 Jun 27 N 11 57 down -8 35 down -5 08 5.0 0.0 0.0 0.0 1995 Jul 11 F -11 10 down -7 38 down -4 05 2.4 0.4 0.0 0.0 1995 Jul 27 N -10 17 down -6 34 down -2 50 1.5 1.7 0.9 0.0 1995 Aug 10 F -9 35 down -5 40 12.4 -1 43 1.3 2.8 2.0 1.0 1995 Aug 25 N -8 54 down -4 44 3.5 -0 33 1.1 4.0 3.1 2.2 1995 Sep 8 F -8 17 down -3 53 2.2 0 32 1.1 5.0 4.2 3.2 1995 Sep 24 N -7 35 down -2 56 1.6 1 44 1.3 6.2 5.4 4.4 1995 Oct 8 F -6 56 down -2 05 1.3 2 47 1.5 7.3 6.5 5.4 1995 Oct 23 N -6 12 down -1 09 1.2 3 55 2.2 8.4 7.4 5.4 1995 Nov 6 F -5 27 7.8 -0 14 1.1 4 58 4.2 9.0 7.4 5.4 1995 Nov 22 N -4 30 2.9 0 51 1.2 6 12 down 9.0 7.4 5.4 1995 Dec 6 F -3 34 1.9 1 51 1.3 7 17 down 8.1 7.2 5.4 1995 Dec 21 N -2 30 1.4 2 58 1.6 8 25 down 7.0 6.2 5.2 1996 Jan 5 F -1 22 1.2 4 04 2.3 9 30 down 5.9 5.0 4.1 1996 Jan 19 N -0 17 1.1 5 05 4.7 10 26 down 4.8 4.0 3.0 1996 Feb 4 F 0 58 1.2 6 11 down 11 24 down 3.6 2.7 1.8 1996 Feb 18 N 2 02 1.3 7 06 down -11 51 down 2.5 1.7 0.7 1996 Mar 4 F 3 11 1.7 8 03 down -11 06 down 1.3 0.5 0.0 1996 Mar 18 N 4 15 2.6 8 54 down -10 27 down 0.3 0.0 0.0 1996 Apr 3 F 5 28 8.1 9 52 down -9 44 down 0.0 0.0 0.0 Listing done. 'f' gives tutorial, '?' prints a menu. RA and dec will be set to list object you name. Give exact object name: Object found -- name, coords, epoch, user#, HA, airmass --- CETUS 2 58 45.2 0 12 54 1950.0 99.90 -4 41 3.34 COORDINATES ARE NOW SET TO THIS OBJECT. (eXtra goodies doesn't loop.) Back in main commands, 'Q' quits, '?' menu, 'f' fast tour. This types out a summary of the observability of your object through the observing season. Observability is summarized at new & full moon through a range of dates you specify. (a 24-line display holds about a 6-month range.) Give approx. starting date, yyyy mm dd, neg year exits:Give ending date for listing:You must now specify the altitude of the sun which defines twilight. Type -18. , or give a non-standard choice:Name of object: *** Seasonal Observability of CETUS *** RA & dec: 2 58 45.2, 0 12 54, epoch 1950.0 Site long&lat: 1 11 31.2 (h.m.s) West, 28 45 30 North. 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 1995 Apr 14 F 6 16 down 10 30 down -9 16 down 0.0 0.0 0.0 1995 Apr 29 N 7 27 down 11 26 down -8 35 down 0.0 0.0 0.0 1995 May 14 F 8 39 down -11 36 down -7 51 down 0.0 0.0 0.0 1995 May 28 N 9 46 down -10 39 down -7 05 down 0.0 0.0 0.0 1995 Jun 12 F 10 54 down -9 38 down -6 10 down 0.0 0.0 0.0 1995 Jun 27 N 11 57 down -8 35 down -5 08 5.0 0.0 0.0 0.0 1995 Jul 11 F -11 10 down -7 38 down -4 05 2.4 0.4 0.0 0.0 1995 Jul 27 N -10 17 down -6 34 down -2 50 1.5 1.7 0.9 0.0 1995 Aug 10 F -9 35 down -5 40 12.3 -1 44 1.3 2.8 2.0 1.0 1995 Aug 25 N -8 54 down -4 44 3.5 -0 33 1.1 4.0 3.1 2.2 1995 Sep 8 F -8 17 down -3 53 2.2 0 32 1.1 5.0 4.2 3.2 1995 Sep 24 N -7 35 down -2 56 1.6 1 44 1.3 6.2 5.4 4.4 1995 Oct 8 F -6 56 down -2 05 1.3 2 47 1.5 7.3 6.5 5.4 1995 Oct 23 N -6 12 down -1 09 1.2 3 55 2.2 8.4 7.4 5.4 1995 Nov 6 F -5 27 7.7 -0 14 1.1 4 58 4.2 9.0 7.4 5.4 1995 Nov 22 N -4 30 2.9 0 51 1.2 6 12 down 9.0 7.4 5.4 1995 Dec 6 F -3 34 1.9 1 51 1.3 7 17 down 8.1 7.2 5.4 1995 Dec 21 N -2 30 1.4 2 58 1.6 8 25 down 7.0 6.2 5.2 1996 Jan 5 F -1 22 1.2 4 04 2.3 9 30 down 5.9 5.0 4.1 1996 Jan 19 N -0 17 1.1 5 05 4.7 10 26 down 4.8 4.0 3.0 1996 Feb 4 F 0 58 1.2 6 11 down 11 24 down 3.6 2.7 1.8 1996 Feb 18 N 2 02 1.3 7 06 down -11 51 down 2.5 1.7 0.7 1996 Mar 4 F 3 11 1.7 8 03 down -11 06 down 1.3 0.5 0.0 1996 Mar 18 N 4 15 2.6 8 54 down -10 27 down 0.3 0.0 0.0 1996 Apr 3 F 5 28 8.1 9 52 down -9 44 down 0.0 0.0 0.0 Listing done. 'f' gives tutorial, '?' prints a menu. RA and dec will be set to list object you name. Give exact object name: Object found -- name, coords, epoch, user#, HA, airmass --- CSN2133+0025 21 33 51.4 0 25 56 1950.0 99.90 0 44 1.15 COORDINATES ARE NOW SET TO THIS OBJECT. (eXtra goodies doesn't loop.) Back in main commands, 'Q' quits, '?' menu, 'f' fast tour. This types out a summary of the observability of your object through the observing season. Observability is summarized at new & full moon through a range of dates you specify. (a 24-line display holds about a 6-month range.) Give approx. starting date, yyyy mm dd, neg year exits:Give ending date for listing:You must now specify the altitude of the sun which defines twilight. Type -18. , or give a non-standard choice:Name of object: *** Seasonal Observability of CSN2133+0025 *** RA & dec: 21 33 51.4, 0 25 56, epoch 1950.0 Site long&lat: 1 11 31.2 (h.m.s) West, 28 45 30 North. 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 1995 Apr 14 F 11 41 down -8 05 down -3 51 2.1 0.7 0.0 0.0 1995 Apr 29 N -11 08 down -7 09 down -3 10 1.7 1.4 0.5 0.0 1995 May 14 F -9 56 down -6 11 down -2 26 1.4 2.1 1.3 0.3 1995 May 28 N -8 49 down -5 15 5.6 -1 40 1.3 2.9 2.0 1.1 1995 Jun 12 F -7 41 down -4 13 2.5 -0 45 1.2 3.8 3.0 2.0 1995 Jun 27 N -6 38 down -3 10 1.7 0 17 1.1 4.8 4.0 3.0 1995 Jul 11 F -5 45 16.0 -2 13 1.4 1 20 1.2 5.8 5.0 4.1 1995 Jul 27 N -4 52 3.8 -1 09 1.2 2 35 1.5 7.1 6.3 5.3 1995 Aug 10 F -4 11 2.4 -0 15 1.1 3 41 2.0 7.8 7.4 5.5 1995 Aug 25 N -3 29 1.8 0 41 1.2 4 52 3.8 8.0 7.2 5.5 1995 Sep 8 F -2 52 1.5 1 32 1.2 5 57 53.7 7.4 6.6 5.5 1995 Sep 24 N -2 10 1.3 2 29 1.4 7 09 down 6.7 5.9 4.9 1995 Oct 8 F -1 31 1.2 3 20 1.8 8 12 down 6.0 5.2 4.2 1995 Oct 23 N -0 47 1.2 4 16 2.6 9 20 down 5.3 4.5 3.5 1995 Nov 6 F -0 02 1.1 5 11 5.2 10 23 down 4.6 3.7 2.8 1995 Nov 22 N 0 55 1.2 6 16 down 11 37 down 3.6 2.8 1.8 1995 Dec 6 F 1 51 1.3 7 16 down -11 18 down 2.7 1.9 0.9 1995 Dec 21 N 2 55 1.6 8 22 down -10 10 down 1.6 0.8 0.0 1996 Jan 5 F 4 03 2.3 9 29 down -9 05 down 0.5 0.0 0.0 1996 Jan 19 N 5 08 5.0 10 29 down -8 10 down 0.0 0.0 0.0 1996 Feb 4 F 6 23 down 11 36 down -7 12 down 0.0 0.0 0.0 1996 Feb 18 N 7 27 down -11 29 down -6 26 down 0.0 0.0 0.0 1996 Mar 4 F 8 36 down -10 32 down -5 41 12.7 0.0 0.0 0.0 1996 Mar 18 N 9 40 down -9 41 down -5 02 4.4 0.0 0.0 0.0 1996 Apr 3 F 10 53 down -8 43 down -4 19 2.6 0.2 0.0 0.0 Listing done. 'f' gives tutorial, '?' prints a menu. Suggestions or comments --> john.thorstensen@dartmouth.edu Goodbye.