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Image collection based on the sky tour "Classifying galaxies in the Virgo Cluster" featured in the Apr 2012 edition of Astronomy Now. Comprising highlights from the rich galaxy hunting grounds of Virgo and Coma Berencies.
Notes - Hubble System (tuning fork)
Ellipticals E0 (spherical) to E7 (elongate) > S0
Spirals S0 > Sa, Sb, Sc - Spirals (non-barred)
Spirals S0 > SBa, SBb, SBc - Spirals (barred)
M87 (Virgo) |
Annotated CCD Image 3 x 180 sec exposure (summed), 2x2 binnimg, C Filter 2008-03-10 00:16 h UT (#275087-99) |
M87 Jet - detail |
CCD Image Linear scaling (Image details as above (Insert at x2.5 size scaling) |
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M59 (Virgo) |
CCD Image, 5 x 60 sec exposure (summed) Mid range brightened 2004-03-28 23:47 h UT (#64138-42) 8" LX200 classic + ST-7e |
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M85 (Coma Berenices) Also two spiral galaxies NGC 4394 (extreme left) & IC 3292 (extreme right) |
CCD Image 3 x 2 min (average combine), C Filter 2004-12-11 06:47 h UT (#79055-57) 8" LX200 classic + ST-7e |
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NGC 4438 & NGC 4435 (Virgo) NGC 4435 : top NGC 4438 : bottom |
CCD Image (Linear Scale, 50% size reduction) 3 x 120 sec exposure (average combine), 3x3 binning, C Filter 2009-05-12 00:40h UT (#368178-80) 12" LX200R (at f/5.7) + ST-10XME |
NGC 4438 & NGC 4435 - detail |
CCD Image Square root scale Image details as above |
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M91 (Coma Berenices) |
CCD Image 3 x 180 sec exposure (average combine), 2x2 binning, C Filter 2008-02-16 00:22 h UT (#264124-28) 8" LX200 classic + ST-7e |
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M100 (Coma Berenices) |
CCD Image 5 x 2 min exposure (average combine), 2x2 binning, C Filter 2006-04-27 22:22h UT (#118081-86) 8" LX200 classic + ST-7e |
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M99 (Coma Berenices) |
CCD Image (linear scale, cropped) 4 x 1 min exposure (average combine), 3x3 binning, C Filter 2009-11-27 06:02 h UT (#400217-21) 12" LX200R (at f/5.7) + ST-10XME |
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NGC 4535 / Herschel II-500 (Virgo) and adjacent galaxies |
NGC 4535 catalog mag +10.6,
NGC 4535A catalog mag ? PGC 1340665 catalog mag +17.5, PGC 1342675 catalog mag +18.5 |
Annotated CCD Image (100% size, cropped) 5 x 120s exposure (average combine), 3x3 binning, C Filter 2015-04-17 23:29 hUT (#585066-70) 12" LX200R (at f/10.4) + ST-10XME [ Full Size Image (un-annotated] |
NGC 4535 - detail |
Negative CCD Image (50% size) Image details as above |
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This Web Page: | Sky Tour: Apr (1) - Virgo Cluster Galaxies |
Last Updated : | 2015-05-18 |
Site Owner : | David Richards |
Home Page : | David's Astronomy Web Site |