NGC309 Galaxy in Cetus
| DATE | 12 Sept 2018 | ||
| TELESCOPE OPTICS | 508 mm mirror f.4 . effective f4.6 with paracorr2. ccd Kodak KAF8300 3326 x 2504px 5.4 x 5.4µm | ||
| EXPOSURE | binning 2: composite image, 15 min | ||
| IMAGE SIZE (ARCMIN) | 26 | ||
| LIGHT TRAVEL TIME (Derived Redshift. Millions Light Years) | NGC309 =
236 2MASS J00570075-0955353 = 3,466 2MASS J00571920-0954157 = 3,376 2MASS J00571134-0956238 = 260 2MASS J00564555-1005239 = 3,532 2MASS J00562972-1001261 = 694 2MASS J00562467-0956304 = 665 2MASS J00562010-0956364 = 675 2MASS J00555391-0953525 = 698 2MASS J00561442-0951234 = 678 2MASS J00563534-0949235 = 2,215 |
2MASX J00563948-0956140 = 692 2MASX J00570970-0957594 = 727 2MASX J00570354-1002454 = 726 2MASX J00562903-1001308 = 685 2MASX J00561651-1000318 = 677 2MASX J00562003-1000018 = 1,275 2MASX J00562571-0957048 = 675 2MASX J00561955-0957298 = 683 2MASX J00561948-0955598 = 703 2MASX J00561434-0954029 = 683 2MASX J00560405-0955209 = 719 2MASX J00554114-0953498 = 696 |
2MASXi J0057178-095240 = 713 SDSS J005650.30-095241.5 (UvES) = 8,876 SDSS J005700.20-095228.4 = 236 SDSS J005724.09-095047.5 = 282 SDSS J005707.90-094845.8 = 689 SDSS J005727.68-095359.9 (UvES) = 8,744 SDSS J005712.71-100021.2 (UvES) = 8,876 SDSS J005702.93-100427.1 = 746 SDSS J005631.24-095757.3 (QSO) = 9,410 SDSS J005644.92-094817.0 = 239 SDSS J005628.58-094426.5 (VisS) = 10,326 |
| MAGNITUDE | NGC309 =
13.4g 2MASS J00570075-0955353 = 20.7g 2MASS J00571920-0954157 = 20.0g 2MASS J00571134-0956238 = 17.5g 2MASS J00564555-1005239 = 20.1g 2MASS J00562972-1001261 = 18.4g 2MASS J00562467-0956304 = 17.8g 2MASS J00562010-0956364 = 18.3g 2MASS J00555391-0953525 = 17.9g 2MASS J00561442-0951234 = 18.3g 2MASS J00563534-0949235 = 18.6g |
2MASX J00563948-0956140 = 18.1g 2MASX J00570970-0957594 = 16.0g 2MASX J00570354-1002454 = 16.8g 2MASX J00562903-1001308 = 17.59 2MASX J00561651-1000318 = 16.4g 2MASX J00562003-1000018 = 17.8g 2MASX J00562571-0957048 = 17.1g 2MASX J00561955-0957298 = 17.0g 2MASX J00561948-0955598 = 17.1g 2MASX J00561434-0954029 = 16.7g 2MASX J00560405-0955209 = 16.2g 2MASX J00554114-0953498 = 17.6g |
2MASXi J0057178-095240 = 18.0g |
| POSITION RA-DEC J2000 | NGC309 =
00:56:42.60 -09:54:50.0 2MASS J00570075-0955353 = 00:57:00.70 -09:55:35.0 2MASS J00571920-0954157 = 00:57:19.20 -09:54:16.0 2MASS J00571134-0956238 = 00:57:11.30 -09:56:23.0 2MASS J00564555-1005239 = 00:56:45.50 -10:05:24.0 2MASS J00562972-1001261 = 00:56:29.70 -10:01:26.0 2MASS J00562467-0956304 = 00:56:24.60 -09:56:31.0 2MASS J00562010-0956364 = 00:56:20.10 -09:56:36.0 2MASS J00555391-0953525 = 00:55:53.90 -09:53:52.0 2MASS J00561442-0951234 = 00:56:14.40 -09:51:23.0 2MASS J00563534-0949235 = 00:56:35.30 -09:49:23.0 |
2MASX J00563948-0956140 = 00:56:39.40 -09:56:14.0 2MASX J00570970-0957594 = 00:57:09.70 -09:58:00.0 2MASX J00570354-1002454 = 00:57:03.50 -10:02:46.0 2MASX J00562903-1001308 = 00:56:29.10 -10:01:31.0 2MASX J00561651-1000318 = 00:56:16.50 -10:00:32.0 2MASX J00562003-1000018 = 00:56:20.00 -10:00:02.0 2MASX J00562571-0957048 = 00:56:25.70 -09:57:05.0 2MASX J00561955-0957298 = 00:56:19.60 -09:57:30.0 2MASX J00561948-0955598 = 00:56:19.50 -09:56:01.0 2MASX J00561434-0954029 = 00:56:14.30 -09:54:03.0 2MASX J00560405-0955209 = 00:56:04.10 -09:55:21.0 2MASX J00554114-0953498 = 00:55:41.10 -09:53:50.0 |
2MASXi J0057178-095240 = 00:57:17.80 -09:52:41.0 SDSS J005650.30-095241.5 (UvES) = 00:56:50.30 -09:52:42.0 SDSS J005700.20-095228.4 = 00:57:00.20 -09:52:29.0 SDSS J005724.09-095047.5 = 00:57:24.10 -09:50:48.0 SDSS J005707.90-094845.8 = 00:57:07.90 -09:48:46.0 SDSS J005727.68-095359.9 (UvES) = 00:57:27.70 -09:54:00.0 SDSS J005712.71-100021.2 (UvES) = 00:57:12.70 -10:00:21.0 SDSS J005702.93-100427.1 = 00:57:02.90 -10:04:27.0 SDSS J005631.24-095757.3 (QSO) = 00:56:31.20 -09:57:57.0 SDSS J005644.92-094817.0 = 00:56:44.90 -09:48:17.0 SDSS J005628.58-094426.5 (VisS) = 00:56:28.60 -09:44:27.0 |
| POSITION ANGLE: | 218 | ||
| Rotation Velocity km/s | 186 (max) | ||
| Size (KiloParsecs... kpc) | 24.81 (RC3 D_0 (blue)) | ||
| DETAILS | NGC309 is a barred spiral. Supernovae SN 1999ge, SN 2012dt and SN 2008cx were discovered here. | ||
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