In the sky this month

In the Sky this Month for SWFL.

If you are new to the night sky, and have an Android device, such as a tablet or phone, you can find a free app in the Google Play Store, called Sky Map. Sky Map will help you locate objects in the night sky.

In the Sky for April

Rise & set times of planets are in local time for Calusa Nature Center and Planetarium, Ft. Myers, FL, (26.6171°N, 81.8160°W).


Sunrise: 1st 7:18 am (84°E). Sunset: 7:44 pm (276°SW)

Sunrise: 30th 6:50 am (73°E). Sunset: 7:59 pm (287°W)


Information is from above as well as Sky & Telescope and Astronomy Magazine and

Night sky simulations, such as on (select Night Sky) are helpful for planning planetary observations relative to constellations and other night sky events (Beta).

Moon: Last Quarter – 4th; New – 11th; Apogee++ – 14th; First Quarter – 20th; Full–26th; Perigee+ – 27th. On the 1st, it sets at 10:15 a.m. (247°W), and rises on the 2nd at 12:21 a.m. (115°E). On the 29th, rise time is 11:12 p.m. (117° SE), set time is 9:51 a.m. (242°WSW).

+357,378 km / 222,064 mi ++406,119 km / 252,350 mi

Mercury is at superior Conjunction on the 19th. As the month ends, it is climbing higher in the sky above Venus.

Venus just passed Superior Conjunction with the sun and is starting to move into the evening sky. It will remain low through April. On the 25th, it is in a close conjunction with Mercury.

Mars is fading even more from mag 1.3 to 1.5 and is dimmer than Aldebaran. It is slipping towards the west. On the 26th/27th it is right next to the M35 star cluster.

Jupiter rises a few hours before the sun.

Saturn It is a little west of Jupiter and also rises a few hours before the sun.

Uranus: is moving to the west at sunset and will be lost to the sun. It is in conjunction with the sun on the 30th.

Neptune: is in Aquarius and also is lost in the glare of the sun.

International Space Station: The ISS is visible on March 10th to the 16th (dawn) & 14-18th (early evening). See this link for specific times and routes for the ISS:

Hubble Space Telescope: will be visible on February 3rd to the 16th (evening, and from the 28th (dawn). Brightness magnitudes range from +0.7 – +4.1. See this link for specific times and routes for the HST:

Comets and Asteroids: See this link for specific times and routes for brightest observable comets and asteroids: Links to finder charts are also available.

International Space Station: