Web16 ago 2024 · The pair of planetary nebulae HFG1 and Abell 6 is incredibly difficult to image, let alone image well. But this year’s Photo of the Year winner Dan Kusz managed to capture the pair beautifully, along with the Hydrogen-alpha background and the colourful nearby stars. HFG1 is a low-surface-brightness planetary nebula in Cassiopeia. WebHFG1 (PK 136+05 ) is an very old planetary nebula with a trail of shocked emission. The nebula surrounds the precataclysmic binary system V664 Cas. This image consists of …
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Web21 nov 2024 · Heckathorn-Fesen-Gull 1 (HFG1) and Abell 6. Published 21 Nov 2024. Heckathorn-Fesen-Gull 1 (HFG1) is a faint planetary nebula in Cassiopeia with a … WebHFG1 (136+5°1) is a large, low-surface-brightness planetary nebula that was discovered by Heckathorn, Fesen, and Gull (Astrpn. Astronphys., 114, 414, 1982). in the autumn of 1986, photoelectric photometry by A.D.G. and H.E.B. showed that the 14th-mag central star of HFG1 is a large-amplitude variable. my paypal account phone number
HFG1: A Planetary Nebula with a Close-Binary Nucleus
WebHFG1 is a large, high-excitation, low-surface-brightness planetary nebula whose 14th-mag central star has recently found to be a very close binary with an orbital period of 14 hours. The binary companion of the very hot primary is believed to be a cool main-sequence star. Because of its close proximity to the primary, one hemispher of the companion suffers … Web19 lug 2016 · HFG1 (136+5°1) is a large, low-surface-brightness planetary nebula that was discovered by Heckathorn, Fesen, and Gull (Astrpn. Astronphys. , 114, 414, 1982). in the … WebThe Spider (IC 417) and Fly (NGC 1931) nebulae are situated in Auriga, at around 10 000 and 7000 light years away. IC 417 was discovered on 25 September 1892 by the German astronomer Max Wolf. It is an emission and reflection nebula with an embedded star cluster, which is part of an extensive H-II nebula complex and star formation region in the Auriga … my paypal account profile