|
NGC No. |
Type |
Con |
Vis
Mag |
Star Chart |
Date/
Location |
Local
Time |
Seeing/
Transp. |
Aperture
(f ratio) |
EPx & Filters |
Comments |
Image |
|
3686 |
Gal
Sc |
Leo |
12.0 |
SA-13 |
5/5/02
Littleton, CO |
11:23p |
4/4 |
235mm
f/6.3 |
80 |
Dimmer than indicated by 12.0. Acquired oval halo with AV, then lost several times. Many
other faint galaxies in area. |
|
| 3726 |
Gal
Sc |
UMa |
11.0 |
SA-2
U-38 |
1/6/03
Deer Trail, CO |
10:58p |
6/8 |
235mm
f/10 |
73
130 |
At 73x, large elongated halo, evenly
granular, with 12+ mag star superimposed on it. At 130x, shape becomes
more oval. Glow is smooth, no central brightening. |
|
| 3729 |
Gal
Pec |
UMa |
13.0 |
SA-2
U-24 |
1/6/03
Deer Trail, CO |
10:36p |
6/8 |
235mm
f/10 |
73
130 |
Dim oval halo involved with faint (13+
mag) field star. (NGC 3718 visible, very dim, just to W.) Best at 73x.
At 130x, dim star seen against oval disk, which is smooth, with no
central brightening. |
|
| 3810 |
Gal
Sc |
Leo |
11.5 |
SA-13 |
1/30/03
Deer Trail, CO |
3:15a |
4/6 |
235mm
f/10 |
73 |
At 73x, elongated E-W. Pretty dim because
it appears to be extended object. N. edge more distinct, with a gap
bet. this and other portions. Halo has several faint clumps on N
margin, beyond the gap. |
|
| 3813 |
Gal
S |
UMa |
13.0 |
SA-7
U-54 |
1/30/03
Deer Trail, CO |
2:29a |
4/9 |
235mm
f/10 |
73 |
At 73x, elongated slash of a halo
(oriented N-S) W of 8 mag star. Margins of long sides fairly distinct.
Elongated central core brighter but with no stellaring. E. edge more
distinct, with bowed, slightly concave shape. |
|
| 3877 |
Gal
Sb |
UMa |
12.0 |
SA-2
U-38 |
1/3/03
Littleton, CO |
4:35a |
4/4 |
235mm
f/10 |
130
168 |
At 130x, elongated streak just to S of
12.5 mag star. Flat NW side is more defined. Otherwise. slight
mottling in central area. Ends of halo fade out rapidly. |
|
| 3893 |
Gal
Sc |
UMa |
11.5 |
SA-2
U-38 |
1/3/03
Littleton, CO |
4:14a |
4/4 |
235mm
f/10 |
130
168 |
At 130x, large, bright, but fairly
diffuse oval core area, with irregular outer margins. 11 mag star to
NW and closer, fainter (~13 mag) star to SW on edge of disk. At 168x,
central area features 2 or 3 small bright knots. |
 |
| 3898 |
Gal
Sb |
UMa |
11.5 |
SA-2
U-24 |
1/6/03
Deer Trail, CO |
8:10p |
6/8 |
235mm
f/10 |
130 |
At 130x, round halo with central bright
knot. At 168x, center is stellar at times of better seeing. Gap near
core, then bright clump to S. Disk mottled, fades to margins
irregularly. |
|
| 3900 |
Gal
Sb |
Leo |
12.5 |
SA-6 |
1/7/03
Deer Trail, CO |
2:22a |
6/8 |
235mm
f/10 |
73
130
168 |
At 73x, slightly oval w bright point at
core. Elongated roughly N-S, aligned with (and outside) long side of
triangle formed by three 12+ mag stars. At 130x, E margin toward
star-triangle looks more distinct. At 168x, hint of lane or bar along
lengthwise axis to E . Halo gives appearance of having two sections,
stretched N-S. |
|
| 3912 |
Gal
|
Leo |
13.0 |
SA-6 |
1/7/03
Deer Trail, CO |
2:14a |
6/8 |
235mm
f/10 |
73
130 |
Very small at 73x, with no central
brightening. Oval shape. At 130x, more elongated, hint of a dark lane
or bar lengthwise with AV. |
|
| 3938 |
Gal
Sc |
UMa |
11.0 |
SA-2 |
1/30/03
Deer Trail, CO |
1:01a |
4/9 |
235mm
f/10 |
73
168 |
Round halo at 73x, brightening gradually
to a point at center. Stellaring very bright at times of clearer
seeing. Margins fairly distinct, but fuzzy. At 168x (14mm radian),
core area is blotchy/ irregular shaped, like a globular. |
|
| 3941 |
Gal
Sa |
UMa |
11.5 |
SA-6 |
1/30/03
Deer Trail, CO |
2:18a |
4/8 |
235mm
f/10 |
73
168 |
At 73x, slightly oblong halo, bright
stellar nucleus. At 168x, small intense core with stellar center,
surrounded by subtle lane. Halo fades out gradually to margins. N-S
elongation increases with AV. |
|
| 3945 |
Gal
SBa |
UMa |
12.0 |
SA-2 |
1/30/03
Deer Trail, CO |
1:15a |
4/9 |
235mm
f/10 |
73
168 |
At 73x, small very intense core
surrounded by almost round, hazy halo. Star just beyond halo to S. At
168x, slightly stellar at nucleus. Nearby star is distraction -- with
AV it is on edge of the faint halo. |
|
| 3949 |
Gal
Sb |
UMa |
12.0 |
SA-2 |
1/30/03
Deer Trail, CO |
12:45a |
4/9 |
235mm
f/10 |
73
130
168 |
Pretty dim halo with flare of brightness
at core at 73x. At 130x, halo looks blocky, with fairly distinct
margins. Elongated E-W. At 168x, AV increases contrast, reveals very
slight central stellaring. |
|
| 3953 |
Gal
Sb |
UMa |
11.0 |
SA-2 |
1/29/03
Deer Trail, CO |
11:13p |
4/9 |
235mm
f/10 |
73
168 |
At 73x, Fairly bright oval halo, with
several knots at nucleus, elongated N-S. Two stars on W side. At 168x,
nucleus is pretty bright, almost stellar; margins of halo ragged and
mottled, especially with AV. |
|
| 3962 |
Gal
E2 |
Crt |
12.5 |
SA-13 |
4/16/02
Littleton, CO |
10:33p |
3/4 |
235mm
f/10.0 |
130
235 |
Near two 10-11 mag stars. Central region
bright but not stellar. Elongated, like bar. Wisps of light at edge of
halo. Best at 130x. |
|
| 3982 |
Gal
Sb |
UMa |
12.5 |
SA-2
U-24 |
1/29/03
Deer Trail, CO |
11:37p |
4/9 |
235mm
f/10 |
73 |
Small, bright, round core at 73x, with
much dimmer halo. No central stellaring. At 168, halo is lost, core
shows even brightness. Looks almost like a white planetary nebula. |
|
3992
|
Gal
Sb |
UMa |
11.0 |
SA-2 |
1/29/03
Deer Trail, CO |
11:37p |
4/9 |
235mm
f/10 |
73
168 |
M-109. Elongated oval with bright, knotty
nucleus. Elongated approx E-W. At 168x, core has two points (one a
field star?) Two stars off the E end. Halo is textured/ granular, and
almost tear-shaped. |
|
| |
|
|
|
|
1/29/03
Deer Trail, CO |
11:27p |
4/9 |
235mm
f/10.0 |
73
168 |
At 73x, elongated oval halo with bright,
knotty center. Elongated approx. E-W. At 168x, core has 2 points (one
a field star?) Two stars off the E. end. At 168x, disk is highly
textured, almost tear-shaped. |
|
| 3998 |
Gal
E2 |
UMa |
12.0 |
SA-2
U-24 |
1/29/03
Deer Trail, CO |
11:44p |
4/9 |
235mm
f/10.0 |
168 |
Acquired in 14mm (168x). Very bright
stellar center, slightly oval halo. Two field stars to NW and
SW. Small core surrounds nucleus, then mottled round halo with hint of
lane structures with AV. Margins fade out rapidly. |
|
| 4026 |
Gal
E8 |
UMa |
12.0 |
SA-6
U-37
U-38 |
2/7/03
Littleton, CO |
11:49p |
4/4 |
235mm
f/10.0 |
73
168 |
Acquired in 32mm (73x). Very small, very
bright nucleus surrounded by oval haze. At 168x, very elongated N-S;
center very bright with mottled areas around it; nucleus flares with
AV. Ends taper out to points with AV. Two very dim stars to S; one ~10
mag to N. |
|
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