A monthly (except July & August) publication containing terrific stories and articles contributed by our members. The Orbit is available to members first via the Forum.
Orbit for April, 2018
Page 2 – Editorial by Roger Hill
Page 3 – What’s up in the April Sky from Troy McCoy
Page 4 – Measuring the Movement of Water on Earth By Teagan Wall
Page 5 – Heavy M.E.T.U.L. Night #3: FRIDAY April 20, 2018
Page 6 – The C14 is back! By Ed Mizzi
Page 7 – Two Focusing Aids for Astrophotography with Camera Lenses by W. John McDonald, Victoria Centre
Page 9 – Computer searches telescope data for evidence of distant planets by Larry Hardesty
Page 11 – Lowell’s Mars by Stuart Atkinson
Page 12 – Addresses, Maps and Board of Directors info.
| MONTH | VOLUME | ISSUE | |
| 2018 | |||
| April | 50 | 6 | |
| March | 50 | 5 | |
| February | 50 | 4 | |
| January | 50 | 3 | |
| 2017 | |||
| December | 50 | 2 | |
| November | 50 | 1 | |
| October | 49 | 10 | |
| September | 49 | 9 | |
| June | 49 | 8 | |
| May | 49 | 7 | |
| April | 49 | 6 | |
| March | 49 | 5 | |
| February | 49 | 4 | |
| January | 49 | 3 | |
| 2016 | |||
| December | 49 | 2 | |
| November | 49 | 1 | |
| October | 48 | 10 | |
| September | 48 | 9 | |
| June | 48 | 8 | |
| May | 48 | 7 | |
| April | 48 | 6 | |
| March | 48 | 5 | |
| February | 48 | 4 | |
| January | 48 | 3 | |
| 2015 | |||
| December | 48 | 2 | |
| November | 48 | 1 | |
| October | 47 | 10 | |
| September | 47 | 9 | |
| June | 47 | 8 | |
| May | 47 | 7 | |
| April | 47 | 6 | |
| March | 47 | 5 | |
| February | 47 | 4 | |
| January | 47 | 3 | |
| 2014 | |||
| December | 47 | 2 | |
| November | 47 | 1 | |
| October | 46 | 10 | |
| September | 46 | 9 | |
| June | 46 | 8 | |
| May | 46 | 7 | |
| April | 46 | 6 | |
| March | 46 | 5 | |
| February | 46 | 4 | |
| January | 46 | 3 | |
| 2013 | |||
| November | 46 | 1 | |
| September | 45 | 9 | |
| May | 45 | 7 | |
| April | 45 | 6 | |
| March | 45 | 5 | |
| February | 45 | 4 | |
| January | 45 | 3 | |
| 2012 | |||
| November | 45 | 1 | |
| October | 44 | 10 | |
| September | 44 | 9 | |
| June | 44 | 8 | |
| May | 44 | 7 | |
| April | 44 | 6 | |
| March | 44 | 5 | |
| February | 44 | 4 | |
| January | 44 | 3 | |
| 2011 | |||
| December | 44 | 2 | |
| November | 44 | 1 | |
| October | 43 | 10 | |
| September | 43 | 9 | |
| June | 43 | 8 | |
| May | 43 | 7 | |
| April | 43 | 6 | |
| March | 43 | 5 | |
| February | 43 | 4 | |
| January | 43 | 3 | |
| 2010 | |||
| December | 43 | 2 | |
| November | 43 | 1 | |
| October | 42 | 10 | |
| September | 42 | 9 | |
| June | 42 | 8 | |
| May | 42 | 7 | |
| April | 42 | 6 | |
| March | 42 | 5 | |
| February | 42 | 4 | |
| January | 42 | 3 | |
| 2009 | |||
| December | 42 | 2 | |
| November | 42 | 1 | |
| October | 41 | 10 | |
| September | 41 | 9 | |
| June | 41 | 8 | |
| May | 41 | 7 | |
| April | 41 | 6 | |
| March | 41 | 5 | |
| February | 41 | 4 | |
| January | 41 | 3 | |
| 2008 | |||
| December | 41 | 2 | |
| November | 41 | 1 | |
| October | 40 | 10 | |
| September | 40 | 8 | |
| June | 40 | 8 | |
| May | 40 | 7 | |
| April | 40 | 6 | |
| March | 40 | 5 | |
| February | 40 | 4 | |
| January | 40 | 3 | |
| 2007 | |||
| December | 40 | 2 | |
| November | 40 | 1 | |
| March | 40 | 2 | |
| January | 40 | 1 | |
| 2006 | |||
| October | 39 | 10 | |
| September | 39 | 9 | |
| July | 39 | 8 | |
| May | 39 | 7 | |
| April | 39 | 6 | |
| March | 39 | 5 | |
| February | 39 | 4 | |
| January | 39 | 3 | |
| 2005 | |||
| December | 39 | 2 | |
| November | 39 | 1 | |
| October | 38 | 10 | |
| September | 38 | 9 | |
| June | 38 | 8 | |
| May | 38 | 7 | |
| April | 38 | 6 | |
| March | 38 | 5 | |
| February | 38 | 4 | |
| January | 38 | 3 | |
| 2004 | |||
| December | 38 | 2 | |
| Octobe/November | 38 | 1 | |
| July/August/September | 37 | 9 | |
| June | 37 | 8 | |
| May | 37 | 7 | |
| April | 37 | 6 | |
| March | 37 | 5 | |
| February | 37 | 4 | |
| January | 37 | 3 | |
| 2003 | |||
| December | 37 | 2 | |
| November | 37 | 1 | |
| October | 36 | 9 | |
| September | 36 | 8 | |
| July | 36 | 7 | |
| May | 36 | 6 | |
| April | 36 | 5 | |
| February | 36 | 4 | |
| January | 36 | 3 | |
| 2002 | |||
| December | 36 | 2 | |
| October | 35 | 10 | |
| September | 35 | 8 | |
| June | 35 | 8 | |
| May | 35 | 7 | |
| April | 35 | 6 | |
| March | 35 | 5 | |
| February | 35 | 4 | |
| January | 35 | 3 | |
| 2001 | |||
| December | 35 | 2 | 328k |
| November | 35 | 1 | 220k |
| March | 34 | 5 | 144k |
| February | 34 | 4 | 208k |
| January | 34 | 3 | 160k |
| 2000 | |||
| December | 33 | 2 | 168k |
| November | 33 | 1 | 120k |
| 1997 | |||
| August | 30 | 6 | 96k |
| April | 30 | 5 | 104k |
| February | 30 | 4 | 80k |
| January | 30 | 3 | 132k |
| 1996 | |||
| December | 30 | 2 | 317k |
| November | 30 | 1 | 269k |
| October | 29 | 9 | 263k |
| September | 29 | 8 | 524k |
| July | 29 | 7 | 848k |
| June | 29 | 6 | 688k |
| May | 29 | 5 | 636k |
| April | 29 | 4 | 744k |
| March | 29 | 3 | 382k |
| February | 29 | 2 | 183k |
