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: http://www.rochesterastronomy.org/SNIMAGES/nm3198n1.html
Дата изменения: Sun Apr 10 03:39:50 2016 Дата индексирования: Sun Apr 10 22:36:22 2016 Кодировка: Поисковые слова: molecular cloud |
Nova 1998 2 in M31 this image of the second Nova in M31 in 1998, was made from 38 exposures of 45 seconds integration time. It was made at September 21, 22h 20m UT. Telescope was a CG11 at f/6.3, no filters were used. The long list of processing steps caused the artefacts at the overexposed center of the galaxy and in many of the brighter stars. During the exposures thin clouds covered the sky but the CCD cuts through them, allowing me to obtain this result.
Udo Zlender - Udo.Zlender@gmd.de