Jan 18, 2004 Sentinel, AZ (map)
46cm f/4.5 Deep Violet
Small, distinct core, elongated 3:1 north-south, the very similar NGC4435 visible 5' north
Rev. T.W. Webb
May 19, 1885 Hardwick, Herefordshire, England (map)
[NGC4406] nf G.C. 4435, 4438 [NGC4435 and NGC4438]. In this neighborhood Lowe sees 7 nebulæ in large field with fine 15½-in. Calver.
― Celestial Objects for Common Telescopes, T. W. Webb, 1917
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