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Deep Sky Observer's Companion – the online database

 

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Entire DOCdb database of 18,816 objects.

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NGC 7145 (16,924 of 18,816)

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NGC 7145

NGC 7145, ESO 237-13, LEDA 67583, SGC 215007-4807.1, h 3895, GC 4712

RA: 21h 53m 20.2s
Dec: −47° 52′ 56″

Con: Grus
Ch: MSA:1468, U2:413, SA:23

Ref: SIMBAD

(reference key)

Type: galaxy, S0

Mag: B=12.08, V=11.23

Size: 2.344′ x 1.584′
PA: 173°

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Sketches  (1)

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Historical observations

John Herschel (1847) Cape Observations

Discovered by Sir John Herschel at the Cape of Good Hope with an 18-inch f/13 speculum telescope. He recorded it as "B, R, pgbM, 20 arcseconds, within a triangle of three stars 13m."

Published comments

de Vaucouleurs, G. (1956)

"Survey of bright galaxies south of -35° declination", Mem. Mount Stromlo, No. 13. (photographic study, plates taken with the 30-inch Reynolds reflector, 20-inch diaphragm).

Sandage, A.(1975)

Sandage (1975(Astrophysical Journal, 202, 563-582) notes that this galaxy is a member of the NGC 7144 Triplet. Members include NGC 7144, NGC 7145 & NGC 7155.

Sulentic & Tifft (1973)

The RNGC (Sulentic and Tifft 1973) notes that this is a 12.5 mag galaxy.

Modern observations

Brian Skiff

15cm - mod br sm gx among trio of *s @ 80x. 140x: trio * NW is wide pair. gx

30" diam w/mod sharp concen to br *ar nuc. m12 * SE: gx halo reaches

2/3 way to it. BS, 13Nov1993, LCO.

Contemporary observations

Magda Streicher

(no date)

(no site)

16-inch f/10 SCT (EP: 2-inch 40mm SW 102x 26' fov, 2-inch 32mm SW 127x 32' fov, 2-inch 14mm UW 290x 17' fov, 2-inch 8.8mm UW 462x 11' fov)

NGC 7145 is rather small and misty, between two stars. Between NGC 7144 and NGC 7145 is the double star BrO 15 (a rich yellow, bordering onto orange primary with a dark yellow to amber companion).

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