11 hours, 46 minutes
Sun, Sep 19 at 7:30 pm - Mon, Sep 20 at 7:16 am
Visible night of Sep 19 – Sep 20, 2021
|Mercury:||Until Sun 8:18 pm|
|Venus:||Until Sun 9:14 pm|
|Mars:||Until Sun 7:47 pm|
|Jupiter:||Until Mon 4:33 am|
|Saturn:||Until Mon 3:12 am|
|Uranus:||From Sun 9:28 pm|
|Neptune:||Until Mon 6:51 am|
Currently showing previous night. For planet visibility in the coming night, please check again after 12 noon.
Tonight's Sky in Alton Amphitheater, Sep 19 – Sep 20, 2021 (7 planets visible)
Mercury rise and set in Alton Amphitheater
Try after sunset.
Mercury sets shortly after sunset, so it is very close to the horizon. This makes it very difficult to observe.
Sun, Sep 19 ↓8:18 pm
Venus rise and set in Alton Amphitheater
View after sunset.
Venus can best be seen in the hours just after sunset. Visibility improves as the sunlight fades. Venus is visible by day, but may be hard to find.
Sun, Sep 19 ↓9:14 pm
Mars rise and set in Alton Amphitheater
Very close to Sun, hard or impossible to see.
Mars is just 6 degrees from the Sun in the sky, so it is difficult or impossible to see it.
Sun, Sep 19 ↓7:47 pm
Jupiter rise and set in Alton Amphitheater
After sunset and most of the night.
Jupiter is visible during most of the night, but it is best viewed in the late evening hours after sunset.
Mon, Sep 20 ↓4:33 am
Saturn rise and set in Alton Amphitheater
View after sunset.
Saturn can be seen for more than 7 hours after sunset and during the late evening/early night.
Mon, Sep 20 ↓3:12 am
Uranus rise and set in Alton Amphitheater
View in the early morning. Bring binoculars.
Uranus can be seen for more than 9 hours during the late night/early morning and until sunrise. You may need binoculars.
Sun, Sep 19 ↑9:28 pm
Neptune rise and set in Alton Amphitheater
Up most of the night. Use binoculars.
Neptune is roughly in the opposite direction of the Sun, so it is visible during most of the night. Very faint, use binoculars.
Mon, Sep 20 ↓6:51 am
Planets Visible in Alton Amphitheater
|Planetrise/Planetset, Mon, Sep 20, 2021|
|Mercury||Sun 9:28 am||Sun 8:18 pm||Sun 2:53 pm||Difficult to see|
|Venus||Sun 10:51 am||Sun 9:14 pm||Sun 4:03 pm||Good visibility|
|Mars||Sun 7:45 am||Sun 7:47 pm||Sun 1:46 pm||Extremely difficult to see|
|Jupiter||Sun 6:02 pm||Mon 4:33 am||Sun 11:17 pm||Perfect visibility|
|Saturn||Sun 5:11 pm||Mon 3:12 am||Sun 10:12 pm||Perfect visibility|
|Uranus||Sun 9:28 pm||Mon 11:11 am||Mon 4:20 am||Average visibility|
|Neptune||Sun 7:14 pm||Mon 6:51 am||Mon 1:03 am||Slightly difficult to see|