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Image collection based on the sky tour "A Herschelian adventure" featured in the Mar 2012 edition of Astronomy Now. Comprising spring galaxies that owe their discovery to Sir William Herschel.
| NGC 2903 (Leo) |
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CCD Image (cropped) 2 x 120sec exposure (average combine), 3x3 binning, C Filter 2011-02-26 23:16 h UT (#458189-90) 12" LX200R (at f/9.7) + ST-10XME |
| NGC 2903 - Earlier Image (2004-02-19) |
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Colour CCD Image Red 6x20s (av. smoothed), Green 6x20s (av, smoothed, Blue 6x30s (av, smoothed), Luminance 12x10s (av) 2004-02-19 21:45 to 22:27 h UT (#58171-202) 8" LX200 classic + ST-7e |
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| NGC 3115 (Sextans) |
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CCD Image, 5 x 30 sec exposure (median combine) clear filter 2004-03-15 22:04 to 22:08 h UT (#60022-26) 8" LX200 classic + ST-7e |
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| NGC 3628 (Leo) |
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CCD Image, 5 x 1 min exposure (summed) clear filter 2004-03-21 22:59 to 22:04 h UT (#63110-14) 8" LX200 classic + ST-7e |
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CCD Colour Image, LRGB Clear 5x1 min, Red 2x2min, Green 2x2min, Blue 2x2min rotated 2004-03-21 22:59 to 23:25 h UT (#63110-24) 8" LX200 classic + ST-7e |
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| NGC 4038/4039, ARP 244, Caldwell 60/61 (Corvus) |
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| CCD Image (50% size) 9 x 60 sec exposure (average combine), 3x3 binning, C Filter 2011-04-05 23:33 h UT (#466047-57) 12" LX200R (at f/9.7) + ST-10XME |
| NGC 4038/4039 - detail |
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| CCD Image (100% size, cropped) Image details as above |
| NGC 4038/4039 - detail |
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| Negative CCD Image (100% size,
cropped) Image details as above |
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| NGC 4535 / Herschel II-500 (Virgo) |
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CCD Image (50% size) 5 x 120s exposure (average combine), 3x3 binning, C Filter 2015-04-17 22:21 hUT (#585066-70) 12" LX200R (at f/10.4) + ST-10XME [ Full Size Image] |
| NGC 4535 - detail |
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Negative CCD Image (50% size) Image details as above |
| NGC 4535 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 |
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Annotated CCD Image (100% size, cropped) Image details as above [ Full Size Image (un-annotated] |
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| NGC 4567/4568 (Virgo) |
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| Annotated CCD Image
5 x 180s exposure, 2x2 binning, C Filter 2008-03-10 00:31h UT (#275093-97) |
| NGC 4567/4568 - detail |
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False Colour
CCD Image Square root scaling, Inverse Spectrum (Image details as above) |
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Enlarged Negative
CCD Image (200% size scale) Square root scaling (Image details as above) |
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| NGC 4725 / Herschel I-84 (Coma Berenices) |
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| CCD Image (linear scale, 50% size) 5 x 90s sec exposure (average combine), 3x3 binning, C Filter 2015-04-20 23:56 h UT (#585082-88) 12" LX200R (at f/10.4) + ST-10XME [larger image, 75% size] |
| NGC 4725 - Detailed View |
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| CCD Image (log scale, 50% size) Image details as above [larger false color image, square root scale, 75% size] |
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| NGC 4565 / Caldwell 38 (Coma Berenices) |
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CCD Image 5 x 180s exposure (average combine), 2x2 binning, C filter, 2007-03-03 23:46h UT (#180385-89) |
| NGC 4565 - detail |
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CCD Image (200% size) Linear brightness scaling, Rotated & Cropped Image details as above |
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| This Web Page: | Sky Tour: Mar (1) - Spring Galaxies |
| Last Updated : | 2015-05-18 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
