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Type: galaxy (HII), I
Mag: B=12.21, V=?
Size: 6.456′ x 2.041′
Discovered by Sir John Herschel at the Cape of Good Hope with an 18-inch f/13 speculum telescope. He recorded it as "B, pL, mE, nearly in the parallel; pmbM." On a second occassion he called it "B, mE, gbM, 80 arcseconds." His third observation was recorded as "B, L, mE, gbM, 1.25' long."
Schmidt K.-H., Priebe A. & Boller T. (1993) Nearby galaxies. Revised machine-readable version of the catalogue. Astron. Nachr., 314, 371. [1993AN....314..371S]
Other names: "E297-05". Inclination: (face-on, in degrees) 66 Total photoelectric blue mag 11.71 Total colour index .56 Logarithm of the angular diameter D25 (arcminutes) 1.76 Blue photographic magnitude 11.64 This galaxy is included in a sample of galaxies with velocity less than 500km/s with respect to the centroid of the Local Group. [Nearby Galaxies. Schmidt K.-H., Priebe A., Boller T. (Astron. Nachr. 314, 371 (1993))]
Reynolds, J.H. (1921) The spiral nebulae in the zone –40° to –90° (from the Franklin-Adams Plates). MNRAS, 81, 598.
Table, p601. 2.5 x 1, PA 95.
"Survey of bright galaxies south of -35° declination", Mem. Mount Stromlo, No. 13. On photos taken with the 30-inch Reynolds reflector, 20-inch diaphragm: bright inner part 2.4' x 0.7', faint outer regions 1' x 0.8'. Remarks: SBm on edge?
Photo Index by Jim Lucyk: Cat.of South.Peculiar Gal.and Ass. Vol 2 (Arp&Madore, 1987) p8.5, Cat.of South.Peculiar Gal.and Ass. Vol 2 (Arp&Madore, 1987) p8.32.
The RNGC (Sulentic and Tifft 1973) notes that this is a 12.5 mag galaxy. Their coded description reads E,EL,BM,BIN).
! pF, 2.5'x1', mE 90deg, stellar nucleus, spiral seen almost edgewise, the s.f. half being almost absorbed.
15cm - mod br oval in N-S string of m12 *s @ 80x. 140x: 2'.5x1'.25 in p90. mod
even concen to non*ar nuc in sm core. profile disturbed by at least two
*s: one closer E of nuc, another sl farther W. BS, 14Nov1993, LCO.
16-inch f/10 SCT (127x, 290x)
Soft haze, which appears more oval E-W than spindle than the size, indicates. This galaxy reminds me of the Helix nebula in a way. The halo is just even in brightness.
Instrument:12-inch Dobsonian Reflector Telescope.
Sky Conditions:The fainter parts of the Milky Way are barely visible.
Transparency of the sky:Haziness only visible on the horizon.
Seeing:Atmosphere stable with little interference.
Limiting Magnitude 4.9.
First Impression:This object looks like a galaxy.
Chart Number:No.19(Extract taken out of "Atlas of the Night Sky").
Overall Shape:This galaxy has an spiral shape which is noticeable in my 20mm ultra wide angle eyepiece.This galaxy is well defined and it lays almost edge on.
Brightness Profile:The nucleus of this galaxy grows slightly brighter compared to outskirts of it.
Challenge Rating:Easy to observe in extremely dark skies.
What does the galactic nucleus look like? This galaxy's nucleus is elongated in structure.The stars in the nucleus is unresolved.Some spiral structure is seen in this galaxy.
Any stars very near or within this galaxy? Yes, I have found a few 9th to 10th magnitude stars close by.
Are there darker areas within the galaxy? Yes,some darker areas are noted on the outskirts of this galaxy.
Are there areas of uneven brightness? No.
The Messier objects
The Bennett objects
The Caldwell list
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