Andrew Cooper
Sep 14, 2015    Hale Pohaku, HI (map)
15cm f/5 Newtonian, Makaʻiki @ 19x
Seeing: 8 Transparency: 6 Moon: 0%

A bright and coarse cluster just south of M42, a handful of brighter stars punctuate a rich starfield

Andrew Cooper
Feb 9, 2007    Waimea, HI (map)
76mm f/6 APO

A grand group of about a dozen stars around ι Ori (Σ752 2.75mg.), a nice double with a dimmer companion (6.36mg.), another nice double on the south side of the cluster (Σ747), a round haze surrounds ι some dimmer haze around Σ747, the cluster is on the south margin of M42 which is one field north.

Andrew Cooper
Jan 12, 2002    Las Cienegas NCA, Pima Co., AZ (map)
46cm f/4.5 Deep Violet

Faint nebulosity around several bright stars just south of the Orion complex

Rev. T.W. Webb
May 19, 1885    Hardwick, Herefordshire, England (map)

Iota Ori (Σ752) A glow with 5½-in. around this group, which E. of Rosse finds to occupy a singular dark opening, encompassed with neb. matter. Wa., minute pair between two brighter stars n in field - a test.

― Celestial Objects for Common Telescopes, T. W. Webb, 1917

Drawings, descriptions, and CCD photos are copyright Andrew Cooper unless otherwise noted, no usage without permission.

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