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Type: galaxy, SBb
Mag: B=13.6, V=?
Size: 2.238′ x 1.174′
Burnham calls it a 13.1 mag barred spiral galaxy in Bootes, measuring 2.1' x 0.9', which is pretty bright, pretty small, slightly elongated and much brighter in the middle.
The RNGC (Sulentic and Tifft 1973) notes that this is a 13.0 mag galaxy. Their coded description reads S,SLEL,DIFPERIPH FNWD ARMS.
Houston notes that this galaxy was missed by William Herschel. He writes: "I recorded it as 'bright' with my 10-inchy reflector in Kansas years ago ... although NGC 5641 is only 2' long, this should not have been a problem for Herschel observing at 157x."
Steve Coe, using a 13" f/5.6, notes: "Pretty faint, pretty small, elongated 2 X 1 in PA 165 and much brighter in the middle at 100X."
POSS: m13 * 2'.7 W (not E). nice thin-armed spiral in pa163.
15cm - not vis.
- mod f, elong in pa165-ish, hard to tell, though: pops in and out.
1'.3x1' overall, 45" core not distinct. mod even concen to occas vis
sub*ar nuc. m12 * 3' due W. BS, 20May1988, Anderson Mesa.
- fairly f @ 80x due to modlosfcbr. m13 * 3' due W. 140x: 1'x0'.6, elong
SSE-NNW. mod broad concen to wk sub*ar nuc. BS, 7Jun1991, Anderson Mesa.
25cm - vf, 5' E of m13 *. even glow 1' diam. poss elong pa100.
30cm - pretty f, elong in pa170, 1'.8x0'.6. broadly and only sl concen w/an
occas vf nuc. oval core and thin ends.
The Messier objects
The Bennett objects
The Caldwell list
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