Galaxy

Coma Pinwheel Galaxy

M99 · NGC 4254 · PGC 39578 · UGC 7345

Captures

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Object data

Name: Coma Pinwheel Galaxy
Designation: M99
Also known as: NGC 4254, PGC 39578, UGC 7345
Type: Galaxy
Constellation: Coma Berenices
RA (J2000): 12h 18m 50s
Dec (J2000): +14° 24′ 59″
Magnitude: 9.8
Apparent size: 5 × 4.7′
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 52° at 22:00.

January: 6 degrees at 22:00
February: 25 degrees at 22:00
March: 41 degrees at 22:00
April: 52 degrees at 22:00
May: 50 degrees at 22:00
June: 36 degrees at 22:00
July: 18 degrees at 22:00
August: -1 degrees at 22:00
September: -16 degrees at 22:00
October: -24 degrees at 22:00
November: -22 degrees at 22:00
December: -11 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.