Messier 71 (also known as M71, NGC 6838, or the Angelfish Cluster) is a globular cluster in the small northern constellation Sagitta. It was discovered by Philippe Loys de Chéseaux in 1745 and included by Charles Messier in his catalog of non- comet -like objects in 1780.

NGC 6839. NGC 6839 is not really a deep sky object, but an asterism in Sagitta which was included in the New General Catalogue of Nebulae and Clusters of Stars (NGC). It has an apparent magnitude of 8.4. NGC 6839 was discovered by William Herschel on August 18, 1784.

2023年8月22日 · As for NGC 6803 and 6807, which share the same discoverer and description, the 5 arcsec disc of NGC 6833 is indistinguishable from a star in visual or broad-spectrum photographic surveys. Only the use of filters (such as an OIII filter) which block most wavelengths but pass the radiation emitted by interstellar gases allows an observer to tell ...

NGC 6839 ist ein Asterismus im Sternbild Sagitta. Er wurde am 18. August 1784 von Wilhelm Herschel entdeckt. [4]

NGC 6839 est un vieil amas ouvert situé dans la constellation de la Flèche. Il a été découvert par l'astronome germano - britannique William Herschel en 1784. NGC 6839 est à environ 1 410 pc (∼4 600 al) du système solaire et les dernières estimations donnent …

2024年5月26日 · NGC 6839 -- Open Cluster The astronomical object called NGC 6839 is a Open Cluster: Origin of the objects types : (Ref) Object type as listed in the reference "Ref" (acronym) Object type linked to the acronym according to the original reference Anterior to 2007, before we can link the objet type to a reference, or given by the CDS team in some ...

There are several small clumps of stars in the area that might be WH's object, but none stand out on POSS1, GSC, or DSS. It is barely possible that this could be M 71 (NGC 6838) which is 45 seconds preceding and 53 arcmin north of WH's nominal position.

NGC 6839 (H2333) is a nonexistent located in the constellation of Sagitta. The Herchel 2500 is a catalog of nebulae, star clusters, and galaxies. Here are the key stats on NGC 6839: H 6. 16? NGC 6839 from the Herschel Catalogue in the constellation of Sagitta.

From Virginia Beach , NGC6839 is visible in the dawn sky, rising at 03:14 (EST) – 3 hours and 36 minutes before the Sun – and reaching an altitude of 29° above the eastern horizon before fading from view as dawn breaks at around 05:47. All times shown in Virginia Beach local time.

NGC 6839 is een open sterrenhoop in het sterrenbeeld Pijl. Het hemelobject werd op 18 augustus 1784 ontdekt door de Duits-Britse astronoom William Herschel.