Galaxy

M100

M100 · NGC 4321 · PGC 40153 · UGC 7450

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Object data

Designation: M100
Also known as: NGC 4321, PGC 40153, UGC 7450
Type: Galaxy
Constellation: Coma Berenices
RA (J2000): 12h 22m 55s
Dec (J2000): +15° 49′ 19″
Magnitude: 9.5
Apparent size: 6.1 × 5.6′
Catalogue: Messier
Reference: Wikipedia

Catalogue values from OpenNGC (CC-BY-SA-4.0).

Best months to observe

From 51.5°N: best April to May, peaking at 53° at 22:00.

January: 6 degrees at 22:00
February: 25 degrees at 22:00
March: 41 degrees at 22:00
April: 53 degrees at 22:00
May: 51 degrees at 22:00
June: 37 degrees at 22:00
July: 19 degrees at 22:00
August: 1 degrees at 22:00
September: -14 degrees at 22:00
October: -22 degrees at 22:00
November: -20 degrees at 22:00
December: -10 degrees at 22:00

Your latitude

Degrees north, negative for south. Recomputed in your browser and remembered on this device.

Altitude at 22:00 local time on the 15th of each month. Twilight, moon and weather are your problem.