RFO

What's Up in the Night Sky

Here's a month-by-month listing of astronomical predictions for the year, compiled by
Jack Welch, RFO astronomy instructor.

 

Abbreviations

Astr Twi/AT -Astronomical Twilight
Cal - Callisto
Civ Twi/CT - Civil Twilight
Cr - Crescent
Disap - Disappear
Dbl Tr - Double Tansit
E - End/Exit
Ec/Ecl - Eclipse
EcD - Eclipse disappearance
EcR - Eclipse reappearance
Eur - Europa
Ex - Exit
Gan - Ganymede
Gr El - Greatest Elongation
Jup - Jupiter
Lun - Lunar
Max - Maximum
Mer - Mercury
Min - Minimum
Mn - Moon
Naut Twi/NT - Nautical Twilight
Nr - Near
Occ - Occultation
OcD - Occultation disappearance
OcR - Occultation reapparance
Opp - Opposition
Pen - Penumbral
Reap - Reappear
Qtr - Quarter
Sat - Saturn /Satellite
Sh - Shadow
S/St - Start
Stat - Stationary
Tot - Total
Tr - Transit
V Nr - Very Near
Ven - Venus
Zod Lt - Zodiacal Light

 

Observing

Upcoming Observing Highlights

January 2019
  • Tuesday, 1/1/2019 - CrMn nr Ven - Time: 06:00
    • The crescent moon is near Venus in the southeast, with Jupiter rising below this pair, near the bright red star Antares.
  • Thursday, 1/3/2019 - CrMn vnr Jupiter - Time: 06:00
    • -
  • Thursday, 1/3/2019 - Quadrantids peak - Time: 19:00
    • Conditions are excellent this year for viewing the Quandrantid meteor shower, with rates of 60 to 200 meteors per hour typical at peak. Best viewing is between 6:30pm 1/3 and 6:00am 1/4.
  • Saturday, 1/5/2019 - New Moon - Time: 17:30
    • -
  • Saturday, 1/5/2019 - Ven GEW - Time: 22:00
    • -
  • Sunday, 1/6/2019 - Algol min - Time: 05:30
    • Algol eclipse minimum is at 0533.
  • Sunday, 1/6/2019 - 0.9% CrMn - Time: 17:00
    • Look for an ultra-thin 0.9% crescent moon 4° high and 32° south of due west 20 minutes after sunset (or at 5:24pm calculated for the RFO site). Use binoculars.
  • Sunday, 1/6/2019 - Ura stat - Time: 18:00
    • Uranus ends retrograde motion.
  • Monday, 1/7/2019 - 3.5% CrMn - Time: 17:30
    • Look for a thin 3.5% crescent moon in the southwest around 45 minutes after sunset (or at 5:45pm calculated for the RFO site).
  • Wednesday, 1/9/2019 - Algol min - Time: 02:30
    • Algol eclipse minimum is at 0222.
  • Wednesday, 1/9/2019 - Occ of 50 Aqr - Time: 19:30
    • At about 1938 the mag 5.8 star 50 Aquarii disappears behind the moon's dark limb 26° from the north cusp. (Calculated using Occult4 for the RFO site. Details will differ as distance from RFO increases.)
  • Friday, 1/11/2019 - Algol min - Time: 23:00
    • Algol eclipse minimum is at 2311.
  • Sunday, 1/13/2019 - 1st Qtr - Time: 22:30
    • -
  • Monday, 1/14/2019 - Algol min - Time: 20:00
    • Algol eclipse minimum is at 2000.
  • Sunday, 1/20/2019 - Total Lunar Eclipse - Time: 19:00
    • The sequence of events:
      18:36 Moon enters penumbra
      18:51 End of Astro Twilight
      19:33 Moon enters umbra
      20:41 Start of totality
      21:42 End of totality
      22:49 Moon exits umbra
      23:46 Moon exits penumbra
  • Sunday, 1/20/2019 - "Wolf" Moon - Time: 21:00
    • -
  • Monday, 1/21/2019 - Large Tides thru 1/23 - Time: 00:00
    • Large tides due to full moon 15 hours before perigee.
  • Tuesday, 1/22/2019 - Jup vnr Ven - Time: 06:00
    • A very nice close conjunction of Jupiter and Venus. Venus is the brighter of the pair.
  • Sunday, 1/27/2019 - Last Qtr - Time: 13:00
    • -
  • Tuesday, 1/29/2019 - Algol min - Time: 04:00
    • Algol eclipse minimum is at 0405.
  • Wednesday, 1/30/2019 - CrMn nr Jup & Ven - Time: 06:00
    • The crescent moon is near Jupiter with Venus below.
  • Thursday, 1/31/2019 - CrMn Vnr Ven - Time: 18:00
    • The crescent moon is VERY near Venus with Jupiter slightly above and to the south. If you have a clear low eastern horizon you may be able to spot Saturn rising below this pair and a bit to the north.

February 2019
  • Friday, 2/1/2019 - Algol min - Time: 01:00
    • Algol eclipse minimum is at 0054.
  • Sunday, 2/3/2019 - Algol min - Time: 21:30
    • Algol eclipse minimum is at 2143.
  • Monday, 2/4/2019 - New Moon - Time: 13:00
    • -
  • Tuesday, 2/5/2019 - 1.3% CrMn - Time: 18:00
    • An ultra-thin 1.3% crescent moon will be 4° high 23° south of due west 30 minutes after sunset (or at 6:07pm calculated for the RFO site though not viewable there). Use binoculars.
  • Wednesday, 2/6/2019 - 4.3% CrMn - Time: 18:30
    • Look for a thin 4.3% crescent moon in the west 60 minutes after sunset.
  • Wednesday, 2/6/2019 - Algol min - Time: 18:30
    • Algol eclipse minimum is at 1832.
  • Tuesday, 2/12/2019 - 1st Qtr - Time: 14:30
    • -
  • Wednesday, 2/13/2019 - Mar vnr Ura - Time: 19:30
    • Much brighter Mars will be very near Uranus. Try using binoculars. Uranus will be just south of Mars.
  • Wednesday, 2/13/2019 - Mn nr Aldebaran - Time: 20:00
    • The moon is near the bright orange-red star Aldebaran. Use binoculars.
  • Sunday, 2/17/2019 - Mer in W thru 3/6 - Time: 18:30
    • Mercury has its best evening apparition of 2019, reaching a maximum altitude, 45 minutes after sunset, of 8° on 2/26. It will fade somewhat and be difficult to spot in early March.
  • Monday, 2/18/2019 - Ven Vnr Sat - Time: 05:30
    • Venus is VERY near Saturn low in the SE predawn sky. Jupiter is higher and to the south.
  • Monday, 2/18/2019 - Algol min - Time: 06:00
    • Algol eclipse minimum is at 0548.
  • Tuesday, 2/19/2019 - Large Tides thru 2/22 - Time: 00:00
    • Large tides due to full moon 7 hours after perigee.
  • Tuesday, 2/19/2019 - "Snow" Moon - Time: 08:00
    • -
  • Thursday, 2/21/2019 - Algol min - Time: 02:30
    • Algol eclipse minimum is at 0237.
  • Thursday, 2/21/2019 - Zod Light in W thru 3/7 - Time: 19:30
    • Look for the zodiacal light in the west after twilight from a dark site without western light pollution. Best times to look are from about 1925 to 2015.
  • Saturday, 2/23/2019 - Algol min - Time: 23:30
    • Algol eclipse minimum is at 2326.
  • Tuesday, 2/26/2019 - Last Qtr - Time: 03:30
    • -
  • Tuesday, 2/26/2019 - Algol min - Time: 20:00
    • Algol eclipse minimum is at 2015.
  • Wednesday, 2/27/2019 - CrMn vnr Jup - Time: 05:00
    • -

March 2019
  • Friday, 3/1/2019 - Zod Light in W thru 3/7 - Time: 19:30
    • Look for the zodiacal light in the west after twilight from a dark site without western light pollution. Best times to look are from about 1935 to 2020.
  • Wednesday, 3/6/2019 - New Moon - Time: 08:00
    • -
  • Sunday, 3/10/2019 - DST begins - Time: 02:00
    • -
  • Thursday, 3/14/2019 - 1st Qtr - Time: 03:30
    • -
  • Wednesday, 3/20/2019 - Vernal Equinox - Time: 15:00
    • The equinox occurs at 2:58pm.
  • Wednesday, 3/20/2019 - "Worm" Moon - Time: 18:30
    • -
  • Wednesday, 3/27/2019 - Last Qtr - Time: 21:00
    • -

April 2019
  • Friday, 4/5/2019 - New Moon - Time: 02:00
    • -
  • Wednesday, 4/10/2019 - Jup stat - Time: 10:00
    • Jupiter begins retrograde motion.
  • Friday, 4/12/2019 - 1st Qtr - Time: 12:00
    • -
  • Friday, 4/19/2019 - "Pink" Moon - Time: 04:00
    • -
  • Friday, 4/26/2019 - Last Qtr - Time: 15:30
    • -
  • Monday, 4/29/2019 - Sat stat - Time: 19:00
    • Saturn begins retrograde motion.

May 2019
  • Saturday, 5/4/2019 - New Moon - Time: 15:30
    • -
  • Saturday, 5/11/2019 - 1st Qtr - Time: 18:00
    • -
  • Saturday, 5/18/2019 - "Flower" Moon - Time: 14:00
    • -
  • Sunday, 5/26/2019 - Last Qtr - Time: 09:30
    • -

June 2019
  • Monday, 6/3/2019 - New Moon - Time: 03:00
    • -
  • Sunday, 6/9/2019 - 1st Qtr - Time: 23:00
    • -
  • Monday, 6/10/2019 - Jup opp - Time: 08:00
    • Jupiter is at opposition in Ophiuchus.
  • Monday, 6/17/2019 - "Strawberry" Moon - Time: 01:30
    • -
  • Friday, 6/21/2019 - Summer Solstice - Time: 09:00
    • The solstice occurs at 8:54am.
  • Friday, 6/21/2019 - Nep stat - Time: 21:00
    • Neptune begins retrograde motion.
  • Tuesday, 6/25/2019 - Last Qtr - Time: 03:00
    • -

July 2019
  • Tuesday, 7/2/2019 - New Moon - Time: 12:00
    • -
  • Tuesday, 7/9/2019 - 1st Qtr - Time: 04:00
    • -
  • Tuesday, 7/9/2019 - Sat opp - Time: 22:00
    • Saturn is at opposition in Sagittarius.
  • Tuesday, 7/16/2019 - "Buck" Moon - Time: 14:30
    • -
  • Wednesday, 7/24/2019 - Last Qtr - Time: 18:30
    • -
  • Wednesday, 7/31/2019 - New Moon - Time: 20:00
    • -

August 2019
  • Thursday, 8/1/2019 - Large Tides thru 8/3 - Time: 00:00
    • Large tides due to new moon 28 hours before perigee.
  • Wednesday, 8/7/2019 - 1st Qtr - Time: 10:30
    • -
  • Sunday, 8/11/2019 - Jup stat - Time: 09:00
    • Jupiter ends retrograde motion.
  • Sunday, 8/11/2019 - Ura stat - Time: 22:00
    • Uranus begins retrograde motion.
  • Tuesday, 8/13/2019 - Ven SC - Time: 23:00
    • -
  • Thursday, 8/15/2019 - "Sturgeon" Moon - Time: 05:30
    • -
  • Friday, 8/23/2019 - Last Qtr - Time: 08:00
    • -
  • Friday, 8/30/2019 - Large Tides thru 9/2 - Time: 00:00
    • Large tides due to new moon 6 hours before perigee.
  • Friday, 8/30/2019 - New Moon - Time: 03:30
    • -

September 2019
  • Sunday, 9/1/2019 - Large Tides thru 9/2 - Time: 00:00
    • Large tides due to new moon 6 hours before perigee.
  • Thursday, 9/5/2019 - 1st Qtr - Time: 20:00
    • -
  • Tuesday, 9/10/2019 - Nep opp - Time: 24:00
    • Neptune is at opposition in Aquarius.
  • Friday, 9/13/2019 - "Harvest" Moon - Time: 21:30
    • -
  • Tuesday, 9/17/2019 - Sat stat - Time: 23:00
    • Saturn ends retrograde motion.
  • Saturday, 9/21/2019 - Last Qtr - Time: 19:30
    • -
  • Monday, 9/23/2019 - Autumnal Equinox - Time: 01:00
    • The equinox occurs at 12:50am.
  • Saturday, 9/28/2019 - New Moon - Time: 11:30
    • -
  • Sunday, 9/29/2019 - Large Tides thru 10/2 - Time: 00:00
    • Large tides due to new moon 16 hours after perigee.

October 2019
  • Tuesday, 10/1/2019 - Large Tides thru 10/2 - Time: 00:00
    • Large tides due to new moon 16 hours after perigee.
  • Saturday, 10/5/2019 - 1st Qtr - Time: 10:00
    • -
  • Sunday, 10/13/2019 - "Hunter's" Moon - Time: 14:00
    • -
  • Monday, 10/21/2019 - Last Qtr - Time: 05:30
    • -
  • Sunday, 10/27/2019 - New Moon - Time: 20:30
    • -
  • Monday, 10/28/2019 - Ura opp - Time: 01:00
    • Uranus is at opposition in Aries.

November 2019
  • Sunday, 11/3/2019 - DST ends - Time: 02:00
    • -
  • Monday, 11/4/2019 - 1st Qtr - Time: 02:30
    • -
  • Tuesday, 11/12/2019 - "Beaver" Moon - Time: 05:30
    • -
  • Tuesday, 11/19/2019 - Last Qtr - Time: 13:00
    • -
  • Tuesday, 11/26/2019 - New Moon - Time: 07:00
    • -
  • Wednesday, 11/27/2019 - Nep stat - Time: 12:00
    • Neptune ends retrograde motion.

December 2019
  • Tuesday, 12/3/2019 - 1st Qtr - Time: 23:00
    • -
  • Wednesday, 12/11/2019 - "Cold" Moon - Time: 21:00
    • -
  • Wednesday, 12/18/2019 - Last Qtr - Time: 21:00
    • -
  • Saturday, 12/21/2019 - Winter Solstice - Time: 20:30
    • The solstice occurs at 8:19pm.
  • Wednesday, 12/25/2019 - New Moon - Time: 21:00
    • -

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