2023年10月1日 · Historical Identification: Per Dreyer, NGC 7021 (= GC 4636 = JH 3854, 1860 RA 20 59 39, NPD 154 05.6) is "pretty faint, considerably small, round, pretty suddenly brighter middle, 7th or 8th magnitude star to west". The second IC notes "Not seen, DeLisle Stewart and Frost (h. one observation)", "h."

Object NGC 7021 is located exactly in the center of the picture. NGC 7021 - galaxy in the constellation Pavonis Type: SB0 - spiral galaxy with bar The angular dimensions: 3.50'x1.6' magnitude: V=11.8 m; B=12.8 m The surface brightness: 13.8 mag/arcmin 2 Coordinates for epoch J2000: Ra= 21 h 11 m 19.9 s; Dec= -64°1'31" redshift (z): 0.010677

NGC 7020 is a barred lenticular galaxy located about 140 million light-years away in the constellation Pavo. [3][4] NGC 7020 was discovered by astronomer John Herschel on August 31, 1836. [5] NGC 7020 has a large outer ring surrounding a bright inner hexagonal zone containing an inner ring and possibly a bar.

This is a list of NGC objects 7001–7840 from the New General Catalogue (NGC). The astronomical catalogue is composed mainly of star clusters, nebulae, and galaxies. Other objects in the catalogue can be found in the other subpages of the list of NGC objects.

NGC 7021 est une galaxie lenticulaire barrée avec un anneau et située dans la constellation du Paon. Sa vitesse par rapport au fond diffus cosmologique est de 3 102 ± 27 km/s, ce qui correspond à une distance de Hubble de 45,8 ± 3,2 Mpc (∼149 millions d' al). NGC 7021 a été découverte par l'astronome britannique John Herschel en 1835 3.

M78 is a beautiful reflection nebula in Orion. It is the brightest reflection nebula in the sky, according to Sky Safari. It lies 1600 ly away. NGC 2071 to its left is also a reflection nebula..It lies 550 ly. A small portion of Barnard's Loop appears in …

NGC 7020 是一個棒狀 透鏡狀星系，位於 孔雀座，距離地球約1億4千萬 光年 [3][4]。 天文學家 約翰·赫歇爾 發現於1836年8月31日發現NGC 7020 [5]。 NGC 7020有一個巨大外環，圍繞著內側明亮的六邊形區域，該區域包含一個內環，可能還有一條棒旋。 外環與星系內測的六邊形區域完全分離，特徵為無數絮狀螺旋。 外還的估計直徑為110,000光年 (33.6 kpc)。 該環比星系的其他部分更加多節且更偏藍色，顯示星系最近發生恆星形成的位置。 該星系似乎不含電離氣體，這對於 …

2012年7月21日 · Data at NED - NASA/IPAC Extragalactic Database : NGC 7021. Link by name to the catalogue in VizieR:

NGC 7021 . NGC 7021 is a duplicate located in the constellation Pavo. Some key stats include:

Revised NGC Data for NGC 7021 Data from Wolfgang Steinicke's Revised NGC and IC Catalog. Object: NGC 7021 (*) Galaxy, type SB0, in Pavo Right Ascension (2000.0): 21:11:19.9 (h:m:s) …