When Is Alnilam (NGC1990) Visible During the Year?

See how Alnilam (NGC1990) visibility changes through the year from your location. The graph shows its seasonal observing windows, while the table gives rise, transit and set times for selected dates.

Alnilam (NGC1990) will remain visible until April 14, when it moves too close to the Sun and temporarily disappears from the night sky.

Best Months to See Alnilam (NGC1990)

Based on the amount of time Alnilam (NGC1990) is above the horizon during dark or twilight hours, the strongest observing months in the next year are December 2026, January 2027, November 2026.

Alnilam (NGC1990) Visibility Throughout the Year

Alnilam (NGC1990) visibility on 2026-10-24

Alnilam (NGC1990) Visible from before midnight until sunrise

Alnilam (NGC1990) rise and set timetable

	Time	Elevation
Moonrise, 88% illuminated	14:51	-54°
Astronomical observing session begins	17:47	-33°
Alnilam (NGC1990) rise	20:37
Alnilam (NGC1990) transit	02:32	51°
Moonset	03:47	48°
Astronomical observing session ends	03:57	47°
Twilight end (−12°)	04:27	43°
Civil sunrise	04:58	39°
Sunrise	05:25	34°
Alnilam (NGC1990) set	08:27

Track Alnilam (NGC1990) position throughout the night

← 24 October 2026 →

Time
Altitude
Azimuth

Shift the map to change the time and observe Alnilam (NGC1990) changing position in the night sky.

Alnilam (NGC1990) Rise, Transit and Set Times by Date