David's Astronomy Pages (Image Gallery)
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 Sky Tours |
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 Spring Galaxies (2) |
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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 there discovery to Sir William Herschel.
1. NGC 2903 - Spiral Galaxy 2. NGC 3115 - Lenticular Galaxy (Spindle Galaxy) 3. NGC 3628 - Spiral Galaxy 4. NGC 4038 / 4039 - Interacting Galaxy Pair ("The Antennae") 5. NGC 4535 - Spiral Galaxy 6. NGC 4567/4568 - spiral galaxies (Siamese Pair) 7. NGC 4725 - Spiral Galaxy 8. NGC 4565 - Spiral Galaxy (Needle Galaxy)
| 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 |
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| 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 |
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NGC 4038/4039 - detail |
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| CCD Image (100% size, cropped) Image details as above |
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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) |
| NGC 4535 - detail |
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Negative CCD Image (50% size) |
| 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) |
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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) |
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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 Tours - Spring Galaxies (1) |
| Last Updated : | 2015-05-16 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
