Sky and Telescope - January 2018 - 59
The Taurus Dark Cloud region offers plenty of opportunity for feasting your eyes on these dark forms, but the nebulae in this section of
the cloud complex are challenging to observe.
fields are sparser outside of the plotted
boundaries of B7-B209-B211 than they
are adjacent to the other two large dust
clouds, so this dark nebula is harder
to follow at the eyepiece. The western tip was starless, but the adjacent
section immediately south of Psi (ψ)
Tauri was too narrow to detect. The
loop southwards around RA 4h 09m was
just "slightly sparse in stars," and the
northwest-pointing thumb beside it was
logged as "uncertain," although it looks
prominent on plate 5 in E. E. Barnard's
Photographic Atlas of Selected Regions of
Barnard's Nebulae in Taurus
DIGITIZED SK Y SURV E Y / DAVIDE DE M A RTIN (ESO)
Object
Opacity
Size
RA
Dec.
B19
4
360′
04h 33.7m
+26° 16′
B22
4
360′
04h 38.7m
+26° 03′
B219
3
360′
04h 34.9m
+29° 36′
B23
5
5′ × 5′
04h 40.6m
+29° 53′
B24
5
8′ × 8′
04h 42.9m
+29° 44′
B18
5
100′
04h 31.2m
+24° 21′
B208
-
60′ × 8′
04h 11.5m
+25° 10′
B7
5
60′ × 60′
04h 17.4m
+28° 34′
B209
5
120′ × 30′
04h 12.4m
+28° 20′
B211
5
60′ × 20′
04h 17.2m
+27° 49′
B213
5
30′
04h 21.2m
+27° 03′
B216
5
-
04h 24.0m
+26° 38′
Angular sizes and separations are from recent catalogs. Visually, an object's size is often smaller than the
cataloged value and varies according to the aperture and magnification of the viewing instrument. Right
ascension and declination are for equinox 2000.0.
the Milky Way (https://is.gd/Plate5).
The view improved farther eastward, the faint stars becoming "sparse"
between RA 4h 12m and 4h 15m, and
then "nearly empty" until B211 passed
Phi (φ) Tauri. The thin neck just west
of Phi looked wider than it's plotted
in MSA. Phi is a wide yellow and blue
double star of magnitudes 5.1 and 7.5,
easy to split even at 30×. I couldn't
follow this complex of Barnard nebulae
southeast of Phi with my 8-inch, but
nine years earlier I saw little B213 and
B216 with my 16-inch at 76×. Both are
much smaller dark nebulae than any
that the 8-inch could find in this area.
Observing the Taurus Dark Cloud
and the other two large winding dust
clouds isn't exceptionally difficult, but
I haven't read of any other reported
observations except for Nova Scotian
Paul Gray's detection of the thin neck
in B211 near Phi Tauri. Perhaps it was
just generally assumed that the Taurus
Dark Cloud was not detectable visually?
It's certainly been a popular target for
astrophotographers - see Chris Schur's
image in the Gallery in the April 2015
issue of Sky & Telescope (pp. 78-79).
¢ Sky & Telescope has been a special
part of Contributing Editor ALAN WHITMAN's life for many decades.
sk yandtelescope.com * JA N UA RY 2 018
59
https://www.is.gd/Plate5
http://www.skyandtelescope.com/
Sky and Telescope - January 2018
Table of Contents for the Digital Edition of Sky and Telescope - January 2018
Contents
Sky and Telescope - January 2018 - Cover1
Sky and Telescope - January 2018 - Cover2
Sky and Telescope - January 2018 - 1
Sky and Telescope - January 2018 - Contents
Sky and Telescope - January 2018 - 3
Sky and Telescope - January 2018 - 4
Sky and Telescope - January 2018 - 5
Sky and Telescope - January 2018 - 6
Sky and Telescope - January 2018 - 7
Sky and Telescope - January 2018 - 8
Sky and Telescope - January 2018 - 9
Sky and Telescope - January 2018 - 10
Sky and Telescope - January 2018 - 11
Sky and Telescope - January 2018 - 12
Sky and Telescope - January 2018 - 13
Sky and Telescope - January 2018 - 14
Sky and Telescope - January 2018 - 15
Sky and Telescope - January 2018 - 16
Sky and Telescope - January 2018 - 17
Sky and Telescope - January 2018 - 18
Sky and Telescope - January 2018 - 19
Sky and Telescope - January 2018 - 20
Sky and Telescope - January 2018 - 21
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Sky and Telescope - January 2018 - 25
Sky and Telescope - January 2018 - 26
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Sky and Telescope - January 2018 - 28
Sky and Telescope - January 2018 - 29
Sky and Telescope - January 2018 - 30
Sky and Telescope - January 2018 - 31
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Sky and Telescope - January 2018 - 58
Sky and Telescope - January 2018 - 59
Sky and Telescope - January 2018 - 60
Sky and Telescope - January 2018 - 61
Sky and Telescope - January 2018 - 62
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Sky and Telescope - January 2018 - 81
Sky and Telescope - January 2018 - 82
Sky and Telescope - January 2018 - 83
Sky and Telescope - January 2018 - 84
Sky and Telescope - January 2018 - Cover3
Sky and Telescope - January 2018 - Cover4
Sky and Telescope - January 2018 - SGA18SAL
Sky and Telescope - January 2018 - 90
Sky and Telescope - January 2018 - SGA18S
Sky and Telescope - January 2018 - SGA18SA
Sky and Telescope - January 2018 - SGA18EAL
Sky and Telescope - January 2018 - 94
Sky and Telescope - January 2018 - SGA18E
Sky and Telescope - January 2018 - SGA18EA
Sky and Telescope - January 2018 - SGA18RAL
Sky and Telescope - January 2018 - 98
Sky and Telescope - January 2018 - SGA18R
Sky and Telescope - January 2018 - SGA18RA
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