U 411
19:36 to 20:24
-39° to -50°
Sgr, Tel
Jul-Oct

ABOUT 200 GALAXIES are sprinkled around on this map; none are particularly bright. No galactic objects are visible in this region.

FEATURED OBJECTS: NGC 6868, NGC 6861, MCG-07-42-001, NGC 6861D, IC 4991, NGC 6893, NGC 6851, NGC 6890, NGC 6845, NGC 6875.

NGC 6868
ESO233-G039
RA 20:09:52
Dec -48°22.7'
Galaxy

h: “vB, S, R, pgmbM, 20 arcseconds.” On a second occassion he called it “vB, R, gvmbM, 30 arcseconds.”

Sandage (1975, Astrophysical Journal, 202, 563-582) notes that this galaxy is a member of the Telescopium Group. Members include NGC 6851, NGC 6861, NGC 6861D, NGC 6868, NGC 6870, NGC 6875, NGC 6878, NGC 6890, NGC 6893, NGC 6902, NGC 6909 & ESO 285- G 7.

G. de Vaucouleurs (“Galaxies and the Universe”, Chapter 14 - Nearby Groups of Galaxies) notes that the five brightest members of the NGC 6861 Group are NGC 6868, NGC 6861, ESO 285- G 7, NGC 6902 & NGC 6893.

Shobbrook (1966, Mon. Not. R. astr. Soc., Vol 131, p351-363) notes that this member of the Telescopium Cluster has V = 11.58, B-V = 1.03 and U-B = 0.61. It measures 0.9 by 0.7.

NGC 6861
IC 4949, ESO233-G032
RA 20:07:18
Dec -48°22.2'
Galaxy

Dunlop 425 “a very small faint nebula, about 15 arcseconds diameter.”

h: “B, S, lE, pgmbM, 20 arcseconds.” On a second occassion he called it “B, S, E, gpmbM, 25 arcseconds.”

Bailey, examining a Bruce plate (Harvard Annals, Vol 72, No 2), describes it as “probably = CPD -48 deg 10326, nebulous?”

Shobbrook (1966, Mon. Not. R. astr. Soc., Vol 131, p351-363) notes that this member of the Telescopium Cluster has V = 11.58, B-V = 1.06 and U-B = 0.55. It measures 1.25 by 0.53.

MCG-07-42-001
ESO285-G007, A2021
RA 20:23:56
Dec -43°59.8'
Galaxy

NGC 6861D
ESO233-G034
RA 20:08:18
Dec -48°12.6'
Galaxy

Shobbrook (1966, Mon. Not. R. astr. Soc., Vol 131, p351-363) notes that this member of the Telescopium Cluster has V = 12.80, B-V = 1.01 and U-B = 0.53. It measures 2.0 by 0.5.

IC 4991
MCG-07-41-024
RA 20:18:26
Dec -41°03.6'
Galaxy

NGC 6893
ESO234-G006
RA 20:20:48
Dec -48°14.4'
Galaxy

h: “pF, R, svmbM to a star 12m, 20 arcseconds.” The next record reads: “pF, R, gbM, 20 arcseconds.”

Shobbrook (1966, Mon. Not. R. astr. Soc., Vol 131, p351-363) notes that this member of the Telescopium Cluster has V = 12.14, B-V = 1.06 and U-B = 0.6. It measures 0.75 by 0.4.

NGC 6851
ESO233-G021
RA 20:03:32
Dec -48°17.0'
Galaxy

h: “pF, S, R or vlE, psbM, 15 arcseconds.”

Shobbrook (1966, Mon. Not. R. astr. Soc., Vol 131, p351-363) notes that this member of the Telescopium Cluster has V = 12.28, B-V = 0.94 and U-B = 0.48. It measures 0.6 by 0.4.

NGC 6890
MCG-07-41-023
RA 20:18:21
Dec -44°48.6'
Galaxy

h: “F, R, vglbM, 15 arcseconds.” On a second occassion he called it “pB, S, R, gbM, 25 arcseconds.”

Steve Coe, observing with a 13” f/5.6, notes: “Faint, small, round, very gradually brighter middle at 150X.”

NGC 6845
ESO284-IG008, Se 135/3
RA 20:00:57
Dec -47°04.2'
Galaxy

h: “eF, lE, glbM, 30 arcseconds.” On a second occassion he called it “vF, R, bM, 15 arcseconds.”

The ESO/Uppsala Survey of the ESO(B) Atlas remarks: “[ESO 284-IG 8] open spiral, strongly interacting with irregular galaxy 1.4' N.f. and with SO galaxy 0.8' S.p.; another small companion lies 1.9' S.p .”

Bergwall et.al. (1978, Astron. Astrophys. Suppl. 33, 243-255) gives the B-magnitude in the Johnson system for the four components, a-d, as 14.28, 15.58, 15.04 and 16.64. Photoelectric UBV measurements give V=13.596 (44'' diaphragm) for component a, V=14.026 (32'' diaphragm) for component b, V=15.699 (22'' diaphragm) for component c and V=14.831 (32'' diaphragm) for component d.

NGC 6875
ESO284-G028
RA 20:13:12
Dec -46°09.6'
Galaxy

h: “F, vS, R, vgmbM, 10 arcseconds, a star 7m S.f. distant 5'.”

Shobbrook (1966, Mon. Not. R. astr. Soc., Vol 131, p351-363) notes that this member of the Telescopium Cluster has V = 12.32, B-V = 0.99 and U-B = 0.46. It measures 0.9 by 0.4.

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"Deepsky Observers Companion" (http://www.global.co.za/~auke) Copyright 1998 Auke Slotegraaf. All rights reserved. Uranometria 2000.0 copyright (c) 1987-1996 Willmann-Bell, Inc. Page last updated 1998 March 01