Abell 2151 - Observing Notes

N6034 = M+03-41-062
16 03 32.3 +17 11 53
V = 13.5;  Size 1.1x0.8;  SB = 13.4

17.5: faint, very small, slightly elongated, small bright core, stellar
nucleus.  A mag 13.5 star is 0.8' SSE.  Member of Abell 2151.
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N6040 = U10165 = M+03-41-074 = Z108-096 = VV 212
16 04 26.7 +17 45 01
V = 14.2;  Size 1.3x0.5;  SB = 13.6

17.5: faint, small, elongated 5:2 SSW-NNE, low even surface brightness.
Forms a close interacting system with N6040B 26" S.  First of three NGC
galaxies with N6041 2.7' SE and N6042 4.3' SE.  Also IC 1170 is just
visible 2.0' SSE.  Located within the central core of Abell 2151.
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N6040B = M+03-41-073
16 04 26.5 +17 44 31
V = 14.0;  Size 0.8x0.8;  SB = 13.4

17.5: very faint, very small, slightly elongated E-W.  This is the fainter
member of a double system attached at the SW end of N6040A.  Located in the
central core of Abell 2151.
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IC1170
16 04 31.6 +17 43 17
Size 0.3x0.1

17.5: extremely faint, extremely small, elongated E-W, requires averted
vision.  Located just 1.0' W of N6041A/N6041B double system and 2.0' SSE of
N6040A/N6040B in the core of Abell 2151.
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N6041 = U10170 = M+03-41-078 = Z108-101 = VV 213
16 04 35.7 +17 43 17
V = 13.3;  Size 1.3x1.1;  SB = 13.6

17.5: very faint, very small, oval SW-NE.  Forms a double system with
N6041B attached at the SW end.  In a quadruple subgroup with N6040 2.7' NW,
N6042 1.5' SE and IC 1170 0.9' W.  A mag 11 star lies 1.5' S.  Located in
the rich central region of Abell 2151.
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N6041B = U10170w = M-03-41-078w = Z108-101w
16 04 34.9 +17 43 02
V = 15.6;  Size 0.4x0.3;  SB = 13.1

17.5: extremely faint, extremely small or stellar.  This is the fainter
member of a double system attached at the SW end of N6041A within the
central region of Abell 2151.
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N6042 = M+03-41-079 = N6039?
16 04 39.5 +17 42 03
V = 13.9;  Size 0.9x0.7;  SB = 13.3

17.5: very faint, very small, round.  Third of three NGC galaxies on a line
with N6041 1.5' NW and N6040 4.3' NW in the core of Abell 2151.  Also
extremely faint IC 1170 lies 2.3' NW.  Located 1.7' NE of a mag 11 star.
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N6043 = M+03-41-086
16 05 01.3 +17 46 32
V = 14.3;  Size 0.7x0.4

17.5: very faint, very small, slightly elongated ~E-W, collinear with two
stars to the S including a mag 13.5 star 1.8' S.  First of three NGC
galaxies on a line with N6045 1.9' SE and N6047 3.3' SSE.  Also nearby are
N6050 5.3' ESE and N6044 5.6' N.  This is a double system (not resolved) in
the central region of Abell 2151.
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N6044 = M+03-41-084 = Z108-110 = IC 1172
16 04 59.6 +17 52 13
V = 14.3;  Size 0.6x0.6;  SB = 13.0

17.5: very faint, very small, round.  A mag 14 star lies 1.4' WSW.  Located
5.6' N of N6043 in the core of Abell 2151.
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N6045 = U10177 = M+03-41-088 = Z108-112 = Arp 71
16 05 07.8 +17 45 27
V = 13.9;  Size 1.3x0.3;  SB = 12.8;  PA = 82d

17.5: very faint, small, very elongated 4:1 WSW-ENE.  Appears slightly
brighter than nearby N6043 1.9' NW and N6047 1.7' S.  Located in the core
of Abell 2151 between the N6040/6041/6042 trio to the W and N6050 3.8' E.
This is a double system with a companion attached at the E end (not seen).
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N6047 = M+03-41-087 = 4C17.60
16 05 09.0 +17 43 47
V = 13.5;  Size 1.1x0.8;  SB = 13.4

17.5: very faint, very small, round.  A mag 13.5 star is just 26" NW of the
center.  This galaxy is the third of three in a the central region of Abell
2151 with N6043 3.3' NNW and N6045 1.7' NNW.  Also nearby is N6050 4.0' NW.
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IC1173 = U10180 = M+03-41-089 = Z108-133
16 05 12.5 +17 25 22
V = 14.7;  Size 1.0x0.5;  SB = 13.8;  PA = 55d

17.5: extremely faint, very small, round, 15" diameter, low even surface
brightness.  Forms western vertex of a triangle with two mag 11 and 12
stars 2.2' SSE and 3.1' NE.  Located 20' S of N6047 in the southern portion
of Abell 2151. IC 1186 lies 8.4' SE.
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M+03-41-096
16 05.4 +17 55
V = 15.0;  Size 0.8x0.2;  SB = 12.9

17.5: extremely faint, very small, elongated ~N-S, averted only.  Located
3' SSW of N6056 in Abell 2151.
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N6050 = U10186 = M+03-41-092 = IC1179
16 05 23.5 +17 45 32
V = 14.7;  Size 0.9x0.6;  SB = 13.9

17.5: very faint, small, almost round, diffuse.  This member of Abell 2151
forms a close pair with N6054 1.9' ENE.  Follows the trio of N6047 4.0' SW,
N6045 3.8' W and N6043 5.3' WNW.  This is an interacting pair with IC 1179
20" SW (not individually resolved).
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IC1178 = U10188 = M+03-41-097
16 05 33.1 +17 36 05
V = 14.1;  Size 1.0x0.9;  SB = 13.9

17.5: faint, small, round, bright core.  Brighter of a close pair with IC
1181 20" SE.  Located 12' S of IC 1182 in Abell 2151.  Combined CGCG mag of
15.0z for the pair.
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N6054 = M+03-41-099 = Arp 272
16 05 38.1 +17 46 04
V = 15.2;  Size 0.7x0.4;  SB = 13.7

17.5: extremely faint, very small, round.  Visible with averted vision
only.  A mag 13 star lies 1' SE.  Located 1.9' ENE of N6050 in core of
Abell 2151.  NGC identification not certain.
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N6055 = U10191 = M+03-41-101
16 05 32.5 +18 09 34
V = 13.7;  Size 1.0x0.6;  SB = 13.0;  PA = 40d

17.5 (6/14/96): very faint, small, elongated 3:2 SW-NE, 45"x30".  Situated
in the NE corner of Abell 2151 with N6057 1.7' ENE, IC 1189 7' ENE,
M+03-41-115 6' ENE, U10195 6' NE and N6061 12' NE.

17.5: very faint, very small, almost round, weak concentration, faint
stellar nucleus.  A mag 15 star is 40" WSW.  Forms a pair with N6057 1.7'
ENE in Abell 2151.
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N6056 = M+03-41-100 = Z108-122 = IC 1176:
16 05 31.2 +17 57 49
V = 13.9;  Size 0.9x0.5;  SB = 12.9

17.5: faint, small, round, broad concentration.  Forms a pair with
M+03-41-096 3' SSW.  This is one of the brighter galaxies in Abell 2151.
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IC1181 = U10189 = M+03-41-098
16 05 33.8 +17 35 37
V = 14.8;  Size 0.8x0.7;  SB = 14.0

17.5: extremely faint, extremely small, possibly elongated.  Forms a very
close pair 20" SE of IC 1178 in Abell 2151.
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IC1182 = U10192 = Mrk 298
16 05 36.8 +17 48 08
V = 14.2;  Size 0.7x0.5;  SB = 12.9

17.5: very faint, very small, slightly elongated.  Situated between two mag
14.5 stars 1.4' W of center and a mag 15 star following.  Easier than N1183
2.1' SSE and N6054 2.5' SW in Abell 2151.  IC 1185 lies 5.4' SSE.
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IC1183 = M+03-41-103
16 05 38.1 +17 46 04
V = 14.2;  Size 0.8x0.4;  SB = 12.9

17.5: very faint, very small, slightly elongated.  Located 1.0' NE of a mag
12.5 star.  Member of Abell 2151 with an extremely galaxy 1.5' W (possibly
N6054) and IC 1182 2.1' NNW.  This galaxy is also possibly N6054.
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M+03-41-105 = (R)N6053 = Z108-129
16 05.6 +18 03
V = 14.8;  Size 0.5x0.2;  SB = 12.3

17.5: extremely faint, extremely small, round.  Two mag 14.5 stars about 3'
E are collinear with the galaxy.  Located 6' S of N6057.  Forms a pair with
Z108-135 2.5' SE (not seen).  Member of Abell 2151.
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IC1185 = M+03-41-110
16 05 44.6 +17 43 00
V = 13.9;  Size 0.8x0.5;  SB = 12.8

17.5: faint, small, round, small bright core.  A mag 15 star lies 1.1' SE
of center.  Located 5.4' SSE of IC 1182 in the core of Abell 2151.
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IC1186 = M+03-41-111 = Z108-133
16 05 44.2 +17 21 43
V = 14.6;  Size 0.8x0.5;  SB = 13.3

17.5: very faint, very small, elongated 3:2 N-S, 30"x20", low even surface
brightness.  Located in the southern section of Abell 2151 just preceding a
striking elongated group of 10 mag 9-13 star soriented SW-NE.  IC 1173 lies
8.4' NW.
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N6057 = M+03-41-106
16 05 39.6 +18 09 51
V = 14.7;  Size 0.6x0.5;  SB = 13.4

17.5 (6/14/96): extremely faint, very small, round, 20" diameter, low even
surface brightness.  Situated in the NE portion of Abell 2151 1.7' ENE of
brighter N6055.  Several faint galaxies lie NE.

17.5: extremely faint, extremely small, round.  Forms a close pair with
N6055 1.7' WSW in the northern region of Abell 2151.
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IC1190 = U10195 = M+03-41-113 = Z108-146
16 05 52.4 +18 13 13
V = 14.7;  Size 1.3x0.4;  SB = 13.8;  PA = 120d

17.5 (6/14/96): extremely faint, elongated 3:2 NW-SE, 30"x20", low even
surface brightness.  Located 3' W of a mag 10.5 star and 6' SW of N6061 in
the NE portion of Abell 2151.  Similar M+03-41-115 lies 2.4' SE.

17.5: extremely faint, fairly small, very diffuse.  Located 5.9' WSW of
N6061 within Abell 2151.  M+3-41-115 = Z108-139 2.4' SE not seen.
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M+03-41-115 = Z108-139
16 06.0 +18 12
V = 14.8;  Size 1.0x0.4;  SB = 13.7

17.5: extremely faint, small, elongated 3:2 E-W, 40"x25", low even surface
brightness.  Requires averted to glimpse and cannot hold steadily.  Located
2.2' SW of a mag 10.5 star and 2.4' SE of IC 1190: = U10195 in the NE
section of Abell 2151.
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IC1189 = M+03-41-119 = Z108-144 = Mrk 300
16 06 14.8 +18 10 58
V = 14.5;  Size 0.7x0.4;  SB = 12.9

17.5: extremely faint and small, round, 10" diameter.  Can almost hold
steadily with averted vision.  Located 1.2' S of a mag 10 star in Abell
2151.  Brighter N6061 is 4' N and M+03-41-115 3.5' WNW.
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N6061 = U10199 = M+03-41-118
16 06 16.0 +18 15 00
V = 13.6;  Size 1.0x0.8;  SB = 13.3

17.5 (6/14/96): faint, small, slightly elongated E-W, 0.8' diameter, very
weak concentration.  Forms the N vertex of a near perfect rhombus (of sides
3') with three mag 10-11 stars in the NE corner of Abell 2151.  IC 1189
lies 4.0' S

17.5: faint, small, round, small bright core.  Four bright stars form an
upside down "Y" asterism just S including a mag 11 star 2.9' SE and two mag
10 stars 3.1' SW and 2.8' S.  Located in the northern region of Abell 2151
with IC 1190: = U10195 6' WSW.
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IC1193
16 06 32.1 +17 42 50
V = 14.3;  Size 0.7x0.5;  SB = 13.1

17.5: extremely faint, very small.  Appears double or companion very close?
Furthest S in trio with IC 1194 3.3' NE and IC 1192 3.7' N at the E end of
Abell 2151.
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IC1192
16 06 33.1 +17 46 33
V = 14.9

17.5: extremely faint, extremely small, round, 15" diameter.  Located 1.7'
NW of brighter IC 1194 at the E end of Abell 2151.
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IC1194 = M+03-41-128 = Z108-152
16 06 39.3 +17 45 40
V = 14.3;  Size 0.6x0.4;  SB = 12.7

17.5: very faint, very small, round.  Brightest in a trio with IC 1192 1.7'
NW and IC 1193 3.3' SW at the E end of Abell 2151.
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IC1195 = M+03-41-126 = Z108-151
16 06 40.8 +17 11 29
V = 14.8;  Size 0.6x0.4;  SB = 13.1

17.5: very faint, very small, elongated 3:2 ~N-S, 30"x20".  Following a
parallelogram of four mag 10-12 stars (closest is 2.0' SW) at the SE edge
of Abell 2151.
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