NGC 5004
NGC 5004 is a lenticular galaxy in the constellation Coma Berenices. The object was discovered by astronomer William Herschel in 1785, using an 18.7-inch aperture reflector telescope. Due to its moderate apparent magnitude (+13), it is visible only with amateur telescopes or with superior equipment. One supernova has been observed in NGC 5004: SN 1976A (type unknown, mag. 16.5). References

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Coma Berenices
5004