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NGC 1395 (2,562 of 18,816)


oc gc pln bn dn gx gxcl ast aka lost




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NGC 1395

NGC 1395, AM 0336-231, ESO 482-19, LEDA 13419, MCG-04-09-039, SGC 033619-2311.4, I 58, h 2566, GC 746

RA: 03h 38m 29.66s
Dec: −23° 01′ 37.4″

Con: Eridanus
Ch: MSA:356, U2:312, SA:18


(reference key)

Type: galaxy (Seyfert), E...

Mag: B=10.68, V=?

Size: 5.623′ x 4.677′
PA: 105°

Historical observations

William Herschel (c.1784)

Synonyms:H I-058

Discovered in 1784 by William Herschel with an 18.7-inch f/13 speculum telescope. He called it "B S lE mbM."

John Herschel

John Herschel recorded it as "vB, pmE, psmbM, 60 arcseconds long." On a second occassion he called it "B, R, psmbM, 50 arcseconds."

Published comments

Sulentic & Tifft (1973)

The RNGC (Sulentic and Tifft 1973) notes that this is a 11.5 mag galaxy. Their coded description reads BE,R,BM.

James, Andrew (1998+)

From: "Neat Southern Planetaries - VII."

NGC 1395 (03385-2239) is the last object in our list. This giant oval EcD elliptical galaxy (Hubble Type E2 or E3) is the second brightest member of the Fornax II Galaxy Cluster. Brightest is the other giant spiral in the cluster is NGC 1232 in Eridanus (03098-2035). Gravitationally, NGC 1232 acts as the centre of the galaxy cluster.

NGC 1395 is clearly visible even in a 10cm., little detail can be seen even in the largest amateur telescopes. In (UNIVERSE 43,12&44,1 pg.6), Joe Cauchi apparently took a photo of this object, that shows four galaxies in a 1O field. (Being NGC 1395, NGC 1413, NGC 1416 and NGC 1401. The last three I have not observed.)To quote from Joe's visual observation; "...this small bright elliptical is featureless apart from a bright centre." NGC 1395 lies in Eridanus, on the border of Eridanus and Fornax, and is best found by locating the 4th magnitude Tau Six ( 6) Eridani, and moving the telescope west by exactly 2.1O. Visual magnitude is 11.2, (Photo.Mag.=11.90, 'B' Mag=10.55, B-V=0.9 and U-B=0.75.) while the spectral type is G7. In size, as given by most references, NGC 1395 covers photographically 5.9'x4.4'min.arc., but I suspected through the telescope the eye sees about third of this. Burnham's size states 1.5'x1.0', but I could not find his source. The NGC description is given as 'B,pS,E,psmbM'; Bright, pretty small, extended, pretty suddenly much brighter in middle. Yet the RNGC states a similar description; BE, R, BM; Bright Elliptical, round, brighter towards middle. Visually, this is 'right on the money'.

Three velocity measures have been made. The first in 1956 gave a larger velocity of 1820 kps-1. Later measures in the 1980's give respective velocities of 1 699kps-1 and 1 690kps-1. According to the NASA/ IPAC 'Extragalactic Database', known as NED, gives the mean radial velocity as 1 699kms-1 .

Studies into NGC 1395 have been more extensive than for other galaxies so far discussed. One of the most interesting was the discovery of a number of shells by Malin and Carter in 1983 (forming a shell galaxy)found using the technique of unsharped masking. This was later confirmed by observation made using IRAS at 60 and 100 microns. Since this time, all shell galaxies are known X-ray sources. The discovery of X-Rays from NGC 1395 were first detected by ROSAT in 1987. (An image was shown of this object at the last lecture given to us by David Malin in 1996.) Some disagreement exists between astronomers on the 'dustiness' of this galaxy due to conflicting information and interpretation of the data. It seems this mystery still remains unsolved. Two faint jets were also discovered by deep photographs by the ESO in 1985 that point in opposing directions. The interpretation is that a massive and active black hole is at the centre of the elliptical.

RZ For / SAO168619 (03325-2530) is a deep red SRa regular variable in the same field as NGC 1360. Directions to find this variable are likely obvious - but it does lie 18'min.arc. towards the north-east. SRa's are fairly stable in their light curves with regular amplitudes. An example of the class is Antares. The spectrum is given as late M5. Magnitude variations vary by 0.8 magnitudes between magnitude 8.5 and 9.4 (Photo. Mag 9.2 to 10.0), over a period of 64.6 days (Julian Date for the period is stated in the General Variable Star Catalogue (Version 4) and Sky Catalogue 2000.0 as JD 2428075, as long ago as the 30 August 1935!)

Helwan Obs. Bulletin No 21 (1920)

B, pL, R, vBN surrounded by structureless atmosphere. An excellent example of a globular nebula.

Sandage & Tammann (1975)

Sandage, A. & Tammann, G. A. (1975) Steps toward the Hubble constant. V - The Hubble constant from nearby galaxies and the regularity of the local velocity field. ApJ, 196, 313-328. [1975ApJ...196..313S]

Sandage and Tammann includes this galaxy in the Eridanus Group. Members include NGC 1187, NGC 1201, NGC 1232, NGC 1255, NGC 1297, NGC 1300, NGC 1302, NGC 1325, NGC 1325A, NGC 1331, NGC 1332, NGC 1353, NGC 1359, NGC 1371, NGC 1385, NGC 1395, NGC 1398, NGC 1407, NGC 1415, NGC 1426, NGC 1439 & IC 1953.

Modern observations

Steve Coe

Steve Coe, observing with a 13" f/5.6, notes: "Pretty bright, pretty large, much brighter in the middle at 165X. It is somewhat elongated (1.5X1) in PA 75 degrees. There is a 13th mag star involved on the west side."

Tom Lorenzin

Tom Lorenzin, in the electronic version of "1000+ The Amateur Astronomers' Field Guide to Deep Sky Observing", notes: "11.3M; 1.5'x 1' extent; bright oval with brighter nucleus; 40' to NE is SP GAL N1415 (13M; 1.5'x 1' extent) very soft and difficult with little brighter center; 35' farther NE is EL GAL N1426 (13M; 1' diameter) a soft blur; 30' ENE of N1426 is its twin, tough EL GAL N1439 (13M; 1' diameter)."

Steve Gottlieb

03 38.5 -23 02

13: bright, fairly small, oval 4:3 ~E-W, very bright core, fainter halo.

Two faint mag 14 stars lie on the W and N edges 1.0' from center.

Brightest in a group of five.

8: fairly bright, small, round, small bright core.

Brian Skiff

POSS: brtr part elong pa~100. m14 *s 33" in pa265, and 1' in pa0. m13 *

at 4'.2 in pa280.

25cm - br @ 180x. pa75, 1'.25x0'.75. core circ, br, well-defined. *ar nuc. f

halo extending in oval shape from core. 2' W is m14 *.

30cm - nice, br, vwell concen w/br sub*ar nuc. at hix *ar gone. m14.2 * 1' W

w/in halo. also m14 * 1'.2 N. elong E-W, but maybe * influences this.


Contemporary observations

Tom Bryant

2010 11 5 3:36:30

Observing site: Fall Star Party

Telescope: C-11

[3h 38m 30s, -23 2' 0"] Nice galaxy. A bright nucleus, surrounded by a round halo. Face on spiral? B: E3.

Richard Ford

2012 December 16th, Sun



Sky Conditions:The fainter parts of the Milky Way are barely visible on the horizon.Atmosphere stable with little interference.

Instrument:12-inch Dobsonian.

This galaxy's shape looks like a flat rugby ball which is oval and comparitively well defined and that this galaxy's nucleus is centrally concentrated.The nucleus of this galaxy is very bright compared to the far outskirts of this galaxy and that there are some areas of even brightness seen around the outskirts of this galaxy.This galaxy measures 4.3'x 1.4'with PA West-to-East.Challenge Rating:Moderately Difficult.Chart:No.184, NSOG Vol.1

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