SEPTEMBER, 2021 SKYNOTES

SEPTEMBER STAR CHART, 2021
Please click on the Chart to enlarge.

The chart shows the whole sky, at the times given at the top left of the chart. The planetary positions are correct for the last day of the month!
The edge of the chart is the HORIZON, and the ZENITH is at the centre.

This chart is for LATITUDE 54 degrees NORTH, and is produced using 'CYBERSKY' software.

SEPTEMBER 2021

SEPTEMBER, 2021 SKYNOTES

 

The phenomena of the month : JULY 2021
Times are given in daylight time for SCARBOROUGH (0° 25' 5" W, 54° 16' 30" N, zone 0 = UNIVERSAL TIME).

Date Hour Description of the phenomenon
yyyy mm dd hh:mm

yyyy mm dd hh:mm

2021 09 01 00:30 End of occultation of 132 Tau (magn. = 4.88)
2021 09 01 11:09 Maximum of the variable star eta Aquilae
2021 09 01 14:38 Minimum of the variable star Algol (beta Persei)
2021 09 01 19:48 Minimum of the variable star beta Lyrae
2021 09 01 23:55 Maximum of the variable star Mira (omicron Ceti)
2021 09 02 01:06 End of occultation of 27-epsilon Gem, Mebsuta, (magn. = 3.06)
2021 09 03 02:43 Beginning of occultation of 77-kappa Gem (magn. = 3.57)
2021 09 03 03:31 Close encounter between the Moon and Pollux (topocentric dist. centre to centre = 3.6°)
2021 09 03 03:40 End of occultation of 77-kappa Gem (magn. = 3.57)
2021 09 04 02:34 Maximum of the variable star delta Cephei
2021 09 04 04:06 Close encounter between the Moon and M 44 (topocentric dist. centre to centre = 2.3°)
2021 09 04 11:27 Minimum of the variable star Algol (beta Persei)
2021 09 05 20:44 Close encounter between Venus and Spica (topocentric dist. centre to centre = 1.6°)
2021 09 06 00:00 Mercury at its aphelion (distance to the Sun = 0.46670 AU)
2021 09 06 01:00 Simultaneous transits on Jupiter: two satellites and shadow of one satellite.
2021 09 07 00:52 NEW MOON
2021 09 07 08:15 Minimum of the variable star Algol (beta Persei)
2021 09 08 15:23 Maximum of the variable star eta Aquilae
2021 09 09 00:21 Close encounter between the Moon and Mercury (topocentric dist. centre to centre = 5.1°)
2021 09 09 01:19 Comet 4P Faye at its perihelion (dist. to the Sun = 1.613 AU; magn. = 11.7)
2021 09 09 05:17 Meteor shower : Sept. Perseids (5 meteors/hour at zenith; duration = 16.0 days)
2021 09 09 11:21 Maximum of the variable star delta Cephei
2021 09 09 13:50 Maximum of the variable star zeta Gemini
2021 09 10 03:59 Close encounter between the Moon and Venus (topocentric dist. centre to centre = 3.2°)
2021 09 10 05:04 Minimum of the variable star Algol (beta Persei)
2021 09 11 03:47 Opposition of the asteroid 2 Pallas with the Sun (dist. to the Sun = 3.145 AU; magn. = 8.5)
2021 09 11 10:06 Moon at perigee (geocentric dist. = 368461 km)
2021 09 13 01:53 Minimum of the variable star Algol (beta Persei)
2021 09 13 20:39 FIRST QUARTER OF THE MOON
2021 09 14 00:00 GREATEST EASTERN ELONGATION of Mercury (26.6°)
2021 09 14 09:22 OPPOSITION of Neptune with the Sun
2021 09 14 18:23 Minimum of the variable star beta Lyrae
2021 09 14 19:35 End of occultation of HD 167818 (magn. = 4.66)
2021 09 14 20:08 Maximum of the variable star delta Cephei
2021 09 15 19:38 Maximum of the variable star eta Aquilae
2021 09 15 22:41 Minimum of the variable star Algol (beta Persei)
2021 09 16 06:09 Close encounter between the Moon and Pluto (topocentric dist. centre to centre = 2.7°)
2021 09 17 05:19 Close encounter between the Moon and Saturn (topocentric dist. centre to centre = 4.1°)
2021 09 17 19:16 Comet 6P d'Arrest at its perihelion (dist. to the Sun = 1.355 AU; magn. = 9.9)
2021 09 18 09:15 Close encounter between the Moon and Jupiter (topocentric dist. centre to centre = 4.3°)
2021 09 18 19:30 Minimum of the variable star Algol (beta Persei)
2021 09 19 17:25 Maximum of the variable star zeta Gemini
2021 09 20 04:56 Maximum of the variable star delta Cephei
2021 09 20 11:46 Close encounter between the Moon and Neptune (topocentric dist. centre to centre = 4.3°)
2021 09 20 23:55 FULL MOON
2021 09 21 16:18 Minimum of the variable star Algol (beta Persei)
2021 09 21 23:46 Close encounter between Mercury and Spica (topocentric dist. centre to centre = 1.4°)
2021 09 22 19:21 AUTUMN EQUINOX
2021 09 22 23:53 Maximum of the variable star eta Aquilae
2021 09 24 13:07 Minimum of the variable star Algol (beta Persei)
2021 09 24 17:01 Close encounter between the Moon and Uranus (topocentric dist. centre to centre = 2.1°)
2021 09 25 13:43 Maximum of the variable star delta Cephei
2021 09 26 21:44 Moon at apogee (geocentric dist. = 404640 km)
2021 09 27 09:56 Minimum of the variable star Algol (beta Persei)
2021 09 27 16:58 Minimum of the variable star beta Lyrae
2021 09 29 01:57 LAST QUARTER OF THE MOON
2021 09 29 20:59 Maximum of the variable star zeta Gemini
2021 09 30 02:14 Beginning of occultation of 57 Gem (magn. = 5.04)
2021 09 30 03:02 End of occultation of 57 Gem (magn. = 5.04)
2021 09 30 04:09 Maximum of the variable star eta Aquilae
2021 09 30 06:44 Minimum of the variable star Algol (beta Persei)
2021 09 30 22:30 Maximum of the variable star delta Cephei

 

 

Calculations courtesy of: CoelixApex software.

 

 

 

LUNAR OCCULTATIONS in SEPTEMBER, 2021 visible from the Scarborough (UK) area. The time given is UT